---
tool: Crawlinx SEO audit
source: https://crawlinx.com
domain: aluminis-sergi.com
report_url: "https://crawlinx.com/audit/aluminis-sergi.com"
crawl_id: 20260723T002451-ece275d2
health_score: 64
generated_at: 2026-08-26T03:51:57Z
total_pages: 50
html_pages: 50
indexable_pages: 42
errors: 2
warnings: 126
notices: 516
---

# SEO audit: aluminis-sergi.com

**Health score: 64/100** — needs attention

> Audited by [Crawlinx](https://crawlinx.com) — the free technical-SEO crawler. Full report: https://crawlinx.com/audit/aluminis-sergi.com

## Overview

| Metric | Value |
| --- | --- |
| Pages crawled | 50 |
| HTML pages | 50 |
| Indexable | 42 |
| Non-indexable | 7 |
| Orphan pages | 0 |
| Broken internal links | 0 |
| Avg response time | 1451 ms |
| Errors / Warnings / Notices | 2 / 126 / 516 |
| Status codes | 49×200, 1×404 |

## Categories

| Category | Score | Errors | Warnings | Notices |
| --- | ---: | ---: | ---: | ---: |
| Crawlability | 98 | 1 | 0 | 0 |
| Sitemap | 98 | 1 | 0 | 0 |
| Performance | 57 | 0 | 71 | 152 |
| Agent Readiness | 86 | 0 | 23 | 86 |
| Indexability | 95 | 0 | 8 | 0 |
| Budget | 96 | 0 | 7 | 0 |
| Headings | 96 | 0 | 7 | 0 |
| Content | 97 | 0 | 5 | 5 |
| Meta Description | 99 | 0 | 2 | 15 |
| Structured Data | 99 | 0 | 2 | 42 |
| Titles | 99 | 0 | 1 | 0 |
| Duplicate | 100 | 0 | 0 | 4 |
| Images | 100 | 0 | 0 | 43 |
| Links | 100 | 0 | 0 | 75 |
| Security | 100 | 0 | 0 | 92 |
| Social | 100 | 0 | 0 | 2 |

## Issues

### Errors (2)

#### Non-200 URL listed in sitemap

- Rule: `sitemap.not_200` · Category: Sitemap · Occurrences: 1

- [https://aluminis-sergi.com/category/consejos/](https://aluminis-sergi.com/category/consejos/) — listed in sitemap but status 404

#### Client error (4xx) response

- Rule: `status.4xx` · Category: Crawlability · Occurrences: 1

- [https://aluminis-sergi.com/category/consejos/](https://aluminis-sergi.com/category/consejos/) — HTTP 404

### Warnings (126)

#### Control has no accessible name

- Rule: `agent.control_no_name` · Category: Agent Readiness · Occurrences: 23

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — 2 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/adaptarse-teletrabajo/](https://aluminis-sergi.com/adaptarse-teletrabajo/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/aislamiento-acustico/](https://aluminis-sergi.com/aislamiento-acustico/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/aislamiento-termico/](https://aluminis-sergi.com/aislamiento-termico/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/) — 4 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/](https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/casas-pasivas/](https://aluminis-sergi.com/casas-pasivas/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/cerramientos-aluminio/](https://aluminis-sergi.com/cerramientos-aluminio/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/](https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/mosquiteras-plisadas/](https://aluminis-sergi.com/mosquiteras-plisadas/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/pergolas-bioclimaticas/](https://aluminis-sergi.com/pergolas-bioclimaticas/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/](https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/) — 4 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — 55 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/puertas-aluminio-exterior/](https://aluminis-sergi.com/puertas-aluminio-exterior/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/puertas-correderas-automaticas/](https://aluminis-sergi.com/puertas-correderas-automaticas/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/](https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/](https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/reciclaje-aluminio/](https://aluminis-sergi.com/reciclaje-aluminio/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/rehabilitar-tu-vivienda/](https://aluminis-sergi.com/rehabilitar-tu-vivienda/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/separadores-aluminio/](https://aluminis-sergi.com/separadores-aluminio/) — 1 button/link(s) with no text or aria-label — an agent can't target them
- [https://aluminis-sergi.com/wind-screen/](https://aluminis-sergi.com/wind-screen/) — 1 button/link(s) with no text or aria-label — an agent can't target them

#### Noindex page receives internal links (crawl-budget waste)

- Rule: `budget.noindex_linked` · Category: Budget · Occurrences: 7

- [https://aluminis-sergi.com/aviso-legal/](https://aluminis-sergi.com/aviso-legal/) — this noindex page has 40 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://aluminis-sergi.com/, https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/, https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/.
- [https://aluminis-sergi.com/cerramientos-aluminio/](https://aluminis-sergi.com/cerramientos-aluminio/) — this noindex page has 2 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://aluminis-sergi.com/blog/, https://aluminis-sergi.com/category/consejos/.
- [https://aluminis-sergi.com/cerramientos-teletrabajo/](https://aluminis-sergi.com/cerramientos-teletrabajo/) — this noindex page has 2 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://aluminis-sergi.com/blog/, https://aluminis-sergi.com/category/consejos/.
- [https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/](https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/) — this noindex page has 2 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://aluminis-sergi.com/blog/, https://aluminis-sergi.com/category/consejos/.
- [https://aluminis-sergi.com/gracias-teletrabajo/](https://aluminis-sergi.com/gracias-teletrabajo/) — this noindex page has 2 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://aluminis-sergi.com/blog/, https://aluminis-sergi.com/category/consejos/.
- [https://aluminis-sergi.com/presupuesto-cerramientos-enviado/](https://aluminis-sergi.com/presupuesto-cerramientos-enviado/) — this noindex page has 2 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://aluminis-sergi.com/blog/, https://aluminis-sergi.com/category/consejos/.
- [https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/](https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/) — this noindex page has 2 internal inlink(s) — Googlebot follows them, fetches the page, then drops it unindexed, spending crawl budget for no indexing benefit (and the links leak equity). Remove/redirect the links, or drop the noindex if the page should be indexed. Linked from: https://aluminis-sergi.com/blog/, https://aluminis-sergi.com/category/consejos/.

#### Lorem-ipsum placeholder text in a live page

- Rule: `content.lorem_ipsum` · Category: Content · Occurrences: 1

- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/) — the page body contains "lorem ipsum" placeholder text — replace it with real content or noindex the page until it's finished

#### Thin content (low word count)

- Rule: `content.thin` · Category: Content · Occurrences: 4

- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — 149 words
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — 169 words
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — 163 words
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — 161 words

#### Missing <h1>

- Rule: `h1.missing` · Category: Headings · Occurrences: 7

- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/)
- [https://aluminis-sergi.com/cerramientos-teletrabajo/](https://aluminis-sergi.com/cerramientos-teletrabajo/)
- [https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/](https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/)
- [https://aluminis-sergi.com/gracias-teletrabajo/](https://aluminis-sergi.com/gracias-teletrabajo/)
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/)
- [https://aluminis-sergi.com/presupuesto-cerramientos-enviado/](https://aluminis-sergi.com/presupuesto-cerramientos-enviado/)
- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/)

#### Hero/LCP image is lazy-loaded (loading=lazy delays LCP)

- Rule: `images.no_lazy_lcp_candidate` · Category: Performance · Occurrences: 41

- [https://aluminis-sergi.com/adaptarse-teletrabajo/](https://aluminis-sergi.com/adaptarse-teletrabajo/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/aislamiento-acustico/](https://aluminis-sergi.com/aislamiento-acustico/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/aislamiento-termico/](https://aluminis-sergi.com/aislamiento-termico/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/aviso-legal/](https://aluminis-sergi.com/aviso-legal/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/barandillas/](https://aluminis-sergi.com/barandillas/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/ca/](https://aluminis-sergi.com/ca/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/](https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/casas-pasivas/](https://aluminis-sergi.com/casas-pasivas/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/cerramientos-cristal/](https://aluminis-sergi.com/cerramientos-cristal/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/](https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/contacto/](https://aluminis-sergi.com/contacto/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/fachadas-aluminio/](https://aluminis-sergi.com/fachadas-aluminio/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/modelos-ventanas-aluminio/](https://aluminis-sergi.com/modelos-ventanas-aluminio/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/mosquiteras-plisadas/](https://aluminis-sergi.com/mosquiteras-plisadas/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/pergolas-bioclimaticas/](https://aluminis-sergi.com/pergolas-bioclimaticas/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/politica-cookies/](https://aluminis-sergi.com/politica-cookies/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/politica-privacidad/](https://aluminis-sergi.com/politica-privacidad/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/proteccion-solar/](https://aluminis-sergi.com/proteccion-solar/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/puertas-aluminio-exterior/](https://aluminis-sergi.com/puertas-aluminio-exterior/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/puertas-correderas-automaticas/](https://aluminis-sergi.com/puertas-correderas-automaticas/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/puertas-correderas-elevables/](https://aluminis-sergi.com/puertas-correderas-elevables/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/puertas-correderas-hifinity/](https://aluminis-sergi.com/puertas-correderas-hifinity/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/puertas-garaje/](https://aluminis-sergi.com/puertas-garaje/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/puertas-vivienda/](https://aluminis-sergi.com/puertas-vivienda/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/](https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/](https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/quienes-somos/](https://aluminis-sergi.com/quienes-somos/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/reciclaje-aluminio/](https://aluminis-sergi.com/reciclaje-aluminio/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/rehabilitar-tu-vivienda/](https://aluminis-sergi.com/rehabilitar-tu-vivienda/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/separadores-aluminio/](https://aluminis-sergi.com/separadores-aluminio/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/slim-patio/](https://aluminis-sergi.com/slim-patio/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/ventanas-aluminio/](https://aluminis-sergi.com/ventanas-aluminio/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/verandas-aluminio/](https://aluminis-sergi.com/verandas-aluminio/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.
- [https://aluminis-sergi.com/wind-screen/](https://aluminis-sergi.com/wind-screen/) — the likely hero/LCP image (logo-aluminis-sergi.jpg) has loading="lazy" — Google explicitly warns against lazy-loading the LCP image, because it delays the fetch until layout completes. Remove loading="lazy" from the first significant image and add fetchpriority="high" instead.

#### Page is noindex

- Rule: `index.noindex` · Category: Indexability · Occurrences: 1

- [https://aluminis-sergi.com/category/consejos/](https://aluminis-sergi.com/category/consejos/) — meta/X-Robots: meta=noindex, follow

#### noindex + nofollow (blocks link equity flow)

- Rule: `index.noindex_nofollow` · Category: Indexability · Occurrences: 7

- [https://aluminis-sergi.com/aviso-legal/](https://aluminis-sergi.com/aviso-legal/) — meta/X-Robots: meta=noindex, nofollow
- [https://aluminis-sergi.com/cerramientos-aluminio/](https://aluminis-sergi.com/cerramientos-aluminio/) — meta/X-Robots: meta=noindex, nofollow
- [https://aluminis-sergi.com/cerramientos-teletrabajo/](https://aluminis-sergi.com/cerramientos-teletrabajo/) — meta/X-Robots: meta=noindex, nofollow
- [https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/](https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/) — meta/X-Robots: meta=noindex, nofollow
- [https://aluminis-sergi.com/gracias-teletrabajo/](https://aluminis-sergi.com/gracias-teletrabajo/) — meta/X-Robots: meta=noindex, nofollow
- [https://aluminis-sergi.com/presupuesto-cerramientos-enviado/](https://aluminis-sergi.com/presupuesto-cerramientos-enviado/) — meta/X-Robots: meta=noindex, nofollow
- [https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/](https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/) — meta/X-Robots: meta=noindex, nofollow

#### Missing meta description

- Rule: `meta_desc.missing` · Category: Meta Description · Occurrences: 2

- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/)
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/)

#### Render-blocking script in <head> (no defer/async)

- Rule: `perf.render_blocking` · Category: Performance · Occurrences: 30

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/aviso-legal/](https://aluminis-sergi.com/aviso-legal/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/barandillas/](https://aluminis-sergi.com/barandillas/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/ca/](https://aluminis-sergi.com/ca/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/cerramientos-aluminio/](https://aluminis-sergi.com/cerramientos-aluminio/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/cerramientos-cristal/](https://aluminis-sergi.com/cerramientos-cristal/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/cerramientos-teletrabajo/](https://aluminis-sergi.com/cerramientos-teletrabajo/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/contacto/](https://aluminis-sergi.com/contacto/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/fachadas-aluminio/](https://aluminis-sergi.com/fachadas-aluminio/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/](https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/gracias-teletrabajo/](https://aluminis-sergi.com/gracias-teletrabajo/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/modelos-ventanas-aluminio/](https://aluminis-sergi.com/modelos-ventanas-aluminio/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/politica-cookies/](https://aluminis-sergi.com/politica-cookies/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/politica-privacidad/](https://aluminis-sergi.com/politica-privacidad/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/presupuesto-cerramientos-enviado/](https://aluminis-sergi.com/presupuesto-cerramientos-enviado/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/](https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/proteccion-solar/](https://aluminis-sergi.com/proteccion-solar/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/puertas-correderas-elevables/](https://aluminis-sergi.com/puertas-correderas-elevables/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/puertas-correderas-hifinity/](https://aluminis-sergi.com/puertas-correderas-hifinity/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/puertas-garaje/](https://aluminis-sergi.com/puertas-garaje/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/puertas-vivienda/](https://aluminis-sergi.com/puertas-vivienda/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/quienes-somos/](https://aluminis-sergi.com/quienes-somos/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/slim-patio/](https://aluminis-sergi.com/slim-patio/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/ventanas-aluminio/](https://aluminis-sergi.com/ventanas-aluminio/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)
- [https://aluminis-sergi.com/verandas-aluminio/](https://aluminis-sergi.com/verandas-aluminio/) — 1 render-blocking <script> in <head> (add defer/async or use type=module)

#### BreadcrumbList present but structurally incomplete

- Rule: `schema.breadcrumb_incomplete` · Category: Structured Data · Occurrences: 2

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — a BreadcrumbList is present but structurally incomplete — missing required itemListElement. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.
- [https://aluminis-sergi.com/ca/](https://aluminis-sergi.com/ca/) — a BreadcrumbList is present but structurally incomplete — missing required itemListElement. Give itemListElement at least 2 ListItems, each with a sequential integer position and a name, and an item URL on every entry except the last.

#### Title likely truncated in SERP (too wide)

- Rule: `title.too_long` · Category: Titles · Occurrences: 1

- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — 80 chars, ~619px (limit ~580px)

### Notices (516)

#### Heading levels skip a level

- Rule: `agent.heading_skip` · Category: Agent Readiness · Occurrences: 39

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — h5 follows h2 — skips h3
- [https://aluminis-sergi.com/adaptarse-teletrabajo/](https://aluminis-sergi.com/adaptarse-teletrabajo/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/aislamiento-acustico/](https://aluminis-sergi.com/aislamiento-acustico/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/aislamiento-termico/](https://aluminis-sergi.com/aislamiento-termico/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/aviso-legal/](https://aluminis-sergi.com/aviso-legal/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/barandillas/](https://aluminis-sergi.com/barandillas/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/ca/](https://aluminis-sergi.com/ca/) — h5 follows h2 — skips h3
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/) — h5 follows h2 — skips h3
- [https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/](https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/casas-pasivas/](https://aluminis-sergi.com/casas-pasivas/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/cerramientos-aluminio/](https://aluminis-sergi.com/cerramientos-aluminio/) — h5 follows h2 — skips h3
- [https://aluminis-sergi.com/cerramientos-cristal/](https://aluminis-sergi.com/cerramientos-cristal/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/](https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/contacto/](https://aluminis-sergi.com/contacto/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/fachadas-aluminio/](https://aluminis-sergi.com/fachadas-aluminio/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — h4 follows h1 — skips h2
- [https://aluminis-sergi.com/modelos-ventanas-aluminio/](https://aluminis-sergi.com/modelos-ventanas-aluminio/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/mosquiteras-plisadas/](https://aluminis-sergi.com/mosquiteras-plisadas/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/pergolas-bioclimaticas/](https://aluminis-sergi.com/pergolas-bioclimaticas/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/politica-privacidad/](https://aluminis-sergi.com/politica-privacidad/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/proteccion-solar/](https://aluminis-sergi.com/proteccion-solar/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/puertas-aluminio-exterior/](https://aluminis-sergi.com/puertas-aluminio-exterior/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/puertas-correderas-automaticas/](https://aluminis-sergi.com/puertas-correderas-automaticas/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/puertas-correderas-elevables/](https://aluminis-sergi.com/puertas-correderas-elevables/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/puertas-correderas-hifinity/](https://aluminis-sergi.com/puertas-correderas-hifinity/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/puertas-garaje/](https://aluminis-sergi.com/puertas-garaje/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/puertas-vivienda/](https://aluminis-sergi.com/puertas-vivienda/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/](https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/](https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/reciclaje-aluminio/](https://aluminis-sergi.com/reciclaje-aluminio/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/rehabilitar-tu-vivienda/](https://aluminis-sergi.com/rehabilitar-tu-vivienda/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/separadores-aluminio/](https://aluminis-sergi.com/separadores-aluminio/) — h4 follows h2 — skips h3
- [https://aluminis-sergi.com/slim-patio/](https://aluminis-sergi.com/slim-patio/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/ventanas-aluminio/](https://aluminis-sergi.com/ventanas-aluminio/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/verandas-aluminio/](https://aluminis-sergi.com/verandas-aluminio/) — h3 follows h1 — skips h2
- [https://aluminis-sergi.com/wind-screen/](https://aluminis-sergi.com/wind-screen/) — h4 follows h2 — skips h3

#### No llms.txt for AI agents

- Rule: `agent.llms_txt_missing` · Category: Agent Readiness · Occurrences: 1

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — no llms.txt found at the site root — add one so AI agents get a curated site summary

#### No main landmark for AI agents

- Rule: `agent.no_main_landmark` · Category: Agent Readiness · Occurrences: 46

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/adaptarse-teletrabajo/](https://aluminis-sergi.com/adaptarse-teletrabajo/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/aislamiento-acustico/](https://aluminis-sergi.com/aislamiento-acustico/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/aislamiento-termico/](https://aluminis-sergi.com/aislamiento-termico/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/aviso-legal/](https://aluminis-sergi.com/aviso-legal/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/ca/](https://aluminis-sergi.com/ca/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/](https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/casas-pasivas/](https://aluminis-sergi.com/casas-pasivas/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/cerramientos-aluminio/](https://aluminis-sergi.com/cerramientos-aluminio/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/cerramientos-cristal/](https://aluminis-sergi.com/cerramientos-cristal/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/cerramientos-teletrabajo/](https://aluminis-sergi.com/cerramientos-teletrabajo/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/](https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/contacto/](https://aluminis-sergi.com/contacto/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/fachadas-aluminio/](https://aluminis-sergi.com/fachadas-aluminio/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/](https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/gracias-teletrabajo/](https://aluminis-sergi.com/gracias-teletrabajo/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/mosquiteras-plisadas/](https://aluminis-sergi.com/mosquiteras-plisadas/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/pergolas-bioclimaticas/](https://aluminis-sergi.com/pergolas-bioclimaticas/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/politica-cookies/](https://aluminis-sergi.com/politica-cookies/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/politica-privacidad/](https://aluminis-sergi.com/politica-privacidad/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/presupuesto-cerramientos-enviado/](https://aluminis-sergi.com/presupuesto-cerramientos-enviado/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/](https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/proteccion-solar/](https://aluminis-sergi.com/proteccion-solar/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/puertas-aluminio-exterior/](https://aluminis-sergi.com/puertas-aluminio-exterior/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/puertas-correderas-automaticas/](https://aluminis-sergi.com/puertas-correderas-automaticas/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/puertas-correderas-elevables/](https://aluminis-sergi.com/puertas-correderas-elevables/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/puertas-correderas-hifinity/](https://aluminis-sergi.com/puertas-correderas-hifinity/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/puertas-garaje/](https://aluminis-sergi.com/puertas-garaje/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/puertas-vivienda/](https://aluminis-sergi.com/puertas-vivienda/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/](https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/](https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/quienes-somos/](https://aluminis-sergi.com/quienes-somos/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/reciclaje-aluminio/](https://aluminis-sergi.com/reciclaje-aluminio/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/rehabilitar-tu-vivienda/](https://aluminis-sergi.com/rehabilitar-tu-vivienda/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/separadores-aluminio/](https://aluminis-sergi.com/separadores-aluminio/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/slim-patio/](https://aluminis-sergi.com/slim-patio/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/ventanas-aluminio/](https://aluminis-sergi.com/ventanas-aluminio/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/verandas-aluminio/](https://aluminis-sergi.com/verandas-aluminio/) — add a <main> element (or role=main) around the primary content
- [https://aluminis-sergi.com/wind-screen/](https://aluminis-sergi.com/wind-screen/) — add a <main> element (or role=main) around the primary content

#### Low text-to-HTML ratio

- Rule: `content.low_ratio` · Category: Content · Occurrences: 5

- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — 2.8%
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — 4.9%
- [https://aluminis-sergi.com/puertas-vivienda/](https://aluminis-sergi.com/puertas-vivienda/) — 4.8%
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — 4.7%
- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/) — 4.4%

#### Duplicate meta description across pages

- Rule: `duplicate.meta_desc` · Category: Duplicate · Occurrences: 4

- [https://aluminis-sergi.com/cerramientos-cristal/](https://aluminis-sergi.com/cerramientos-cristal/) — meta description shared by 2 pages: https://aluminis-sergi.com/proyectos/
- [https://aluminis-sergi.com/contacto/](https://aluminis-sergi.com/contacto/) — meta description shared by 2 pages: https://aluminis-sergi.com/pedir-presupuesto/
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — meta description shared by 2 pages: https://aluminis-sergi.com/contacto/
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — meta description shared by 2 pages: https://aluminis-sergi.com/cerramientos-cristal/

#### Likely hero image lacks fetchpriority=high

- Rule: `images.hero_no_fetchpriority` · Category: Performance · Occurrences: 6

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://aluminis-sergi.com/cerramientos-teletrabajo/](https://aluminis-sergi.com/cerramientos-teletrabajo/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/](https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://aluminis-sergi.com/gracias-teletrabajo/](https://aluminis-sergi.com/gracias-teletrabajo/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://aluminis-sergi.com/presupuesto-cerramientos-enviado/](https://aluminis-sergi.com/presupuesto-cerramientos-enviado/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.
- [https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/](https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/) — the likely hero/LCP image (logo-aluminis-sergi-opt.jpg) has no fetchpriority="high" — adding it tells the browser to fetch the hero earlier in the waterfall, reducing Largest Contentful Paint. This is a low-severity nudge; verify the flagged image is actually your LCP element.

#### Images without width/height (layout shift / CLS)

- Rule: `images.missing_dimensions` · Category: Images · Occurrences: 43

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — 3 of 13 images without width/height
- [https://aluminis-sergi.com/adaptarse-teletrabajo/](https://aluminis-sergi.com/adaptarse-teletrabajo/) — 1 of 8 images without width/height
- [https://aluminis-sergi.com/aislamiento-acustico/](https://aluminis-sergi.com/aislamiento-acustico/) — 1 of 8 images without width/height
- [https://aluminis-sergi.com/aislamiento-termico/](https://aluminis-sergi.com/aislamiento-termico/) — 1 of 7 images without width/height
- [https://aluminis-sergi.com/aviso-legal/](https://aluminis-sergi.com/aviso-legal/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/barandillas/](https://aluminis-sergi.com/barandillas/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/ca/](https://aluminis-sergi.com/ca/) — 6 of 13 images without width/height
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/) — 2 of 17 images without width/height
- [https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/](https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/casas-pasivas/](https://aluminis-sergi.com/casas-pasivas/) — 1 of 7 images without width/height
- [https://aluminis-sergi.com/cerramientos-aluminio/](https://aluminis-sergi.com/cerramientos-aluminio/) — 3 of 6 images without width/height
- [https://aluminis-sergi.com/cerramientos-cristal/](https://aluminis-sergi.com/cerramientos-cristal/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/](https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/) — 1 of 8 images without width/height
- [https://aluminis-sergi.com/contacto/](https://aluminis-sergi.com/contacto/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/fachadas-aluminio/](https://aluminis-sergi.com/fachadas-aluminio/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — 1 of 10 images without width/height
- [https://aluminis-sergi.com/modelos-ventanas-aluminio/](https://aluminis-sergi.com/modelos-ventanas-aluminio/) — 2 of 16 images without width/height
- [https://aluminis-sergi.com/mosquiteras-plisadas/](https://aluminis-sergi.com/mosquiteras-plisadas/) — 1 of 8 images without width/height
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — 2 of 14 images without width/height
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/pergolas-bioclimaticas/](https://aluminis-sergi.com/pergolas-bioclimaticas/) — 1 of 8 images without width/height
- [https://aluminis-sergi.com/politica-cookies/](https://aluminis-sergi.com/politica-cookies/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/politica-privacidad/](https://aluminis-sergi.com/politica-privacidad/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/proteccion-solar/](https://aluminis-sergi.com/proteccion-solar/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/puertas-aluminio-exterior/](https://aluminis-sergi.com/puertas-aluminio-exterior/) — 1 of 8 images without width/height
- [https://aluminis-sergi.com/puertas-correderas-automaticas/](https://aluminis-sergi.com/puertas-correderas-automaticas/) — 1 of 8 images without width/height
- [https://aluminis-sergi.com/puertas-correderas-elevables/](https://aluminis-sergi.com/puertas-correderas-elevables/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/puertas-correderas-hifinity/](https://aluminis-sergi.com/puertas-correderas-hifinity/) — 2 of 9 images without width/height
- [https://aluminis-sergi.com/puertas-garaje/](https://aluminis-sergi.com/puertas-garaje/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/puertas-vivienda/](https://aluminis-sergi.com/puertas-vivienda/) — 2 of 7 images without width/height
- [https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/](https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/) — 1 of 8 images without width/height
- [https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/](https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/) — 1 of 8 images without width/height
- [https://aluminis-sergi.com/quienes-somos/](https://aluminis-sergi.com/quienes-somos/) — 3 of 10 images without width/height
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/reciclaje-aluminio/](https://aluminis-sergi.com/reciclaje-aluminio/) — 1 of 10 images without width/height
- [https://aluminis-sergi.com/rehabilitar-tu-vivienda/](https://aluminis-sergi.com/rehabilitar-tu-vivienda/) — 1 of 7 images without width/height
- [https://aluminis-sergi.com/separadores-aluminio/](https://aluminis-sergi.com/separadores-aluminio/) — 1 of 8 images without width/height
- [https://aluminis-sergi.com/slim-patio/](https://aluminis-sergi.com/slim-patio/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/) — 2 of 7 images without width/height
- [https://aluminis-sergi.com/ventanas-aluminio/](https://aluminis-sergi.com/ventanas-aluminio/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/verandas-aluminio/](https://aluminis-sergi.com/verandas-aluminio/) — 2 of 8 images without width/height
- [https://aluminis-sergi.com/wind-screen/](https://aluminis-sergi.com/wind-screen/) — 2 of 8 images without width/height

#### Internal link has no anchor text / accessible name

- Rule: `links.no_anchor_text` · Category: Links · Occurrences: 23

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — 2 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/adaptarse-teletrabajo/](https://aluminis-sergi.com/adaptarse-teletrabajo/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/aislamiento-acustico/](https://aluminis-sergi.com/aislamiento-acustico/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/aislamiento-termico/](https://aluminis-sergi.com/aislamiento-termico/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/) — 4 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/](https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/casas-pasivas/](https://aluminis-sergi.com/casas-pasivas/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/cerramientos-aluminio/](https://aluminis-sergi.com/cerramientos-aluminio/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/](https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/mosquiteras-plisadas/](https://aluminis-sergi.com/mosquiteras-plisadas/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/pergolas-bioclimaticas/](https://aluminis-sergi.com/pergolas-bioclimaticas/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/](https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/) — 4 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — 55 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/puertas-aluminio-exterior/](https://aluminis-sergi.com/puertas-aluminio-exterior/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/puertas-correderas-automaticas/](https://aluminis-sergi.com/puertas-correderas-automaticas/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/](https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/](https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/reciclaje-aluminio/](https://aluminis-sergi.com/reciclaje-aluminio/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/rehabilitar-tu-vivienda/](https://aluminis-sergi.com/rehabilitar-tu-vivienda/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/separadores-aluminio/](https://aluminis-sergi.com/separadores-aluminio/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.
- [https://aluminis-sergi.com/wind-screen/](https://aluminis-sergi.com/wind-screen/) — 1 internal link(s) have no anchor text, aria-label, or image alt — they pass no keyword signal and are unusable to screen readers. Add descriptive text or an aria-label.

#### Internal link points to a noindex page

- Rule: `links.to_noindex` · Category: Links · Occurrences: 52

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/adaptarse-teletrabajo/](https://aluminis-sergi.com/adaptarse-teletrabajo/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/aislamiento-acustico/](https://aluminis-sergi.com/aislamiento-acustico/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/aislamiento-termico/](https://aluminis-sergi.com/aislamiento-termico/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/aviso-legal/](https://aluminis-sergi.com/aviso-legal/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/barandillas/](https://aluminis-sergi.com/barandillas/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — https://aluminis-sergi.com/cerramientos-aluminio/
- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — https://aluminis-sergi.com/cerramientos-teletrabajo/
- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/
- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — https://aluminis-sergi.com/gracias-teletrabajo/
- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — https://aluminis-sergi.com/presupuesto-cerramientos-enviado/
- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/
- [https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/](https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/casas-pasivas/](https://aluminis-sergi.com/casas-pasivas/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/category/consejos/](https://aluminis-sergi.com/category/consejos/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/category/consejos/](https://aluminis-sergi.com/category/consejos/) — https://aluminis-sergi.com/cerramientos-aluminio/
- [https://aluminis-sergi.com/category/consejos/](https://aluminis-sergi.com/category/consejos/) — https://aluminis-sergi.com/cerramientos-teletrabajo/
- [https://aluminis-sergi.com/category/consejos/](https://aluminis-sergi.com/category/consejos/) — https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/
- [https://aluminis-sergi.com/category/consejos/](https://aluminis-sergi.com/category/consejos/) — https://aluminis-sergi.com/gracias-teletrabajo/
- [https://aluminis-sergi.com/category/consejos/](https://aluminis-sergi.com/category/consejos/) — https://aluminis-sergi.com/presupuesto-cerramientos-enviado/
- [https://aluminis-sergi.com/category/consejos/](https://aluminis-sergi.com/category/consejos/) — https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/
- [https://aluminis-sergi.com/cerramientos-cristal/](https://aluminis-sergi.com/cerramientos-cristal/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/](https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/contacto/](https://aluminis-sergi.com/contacto/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/fachadas-aluminio/](https://aluminis-sergi.com/fachadas-aluminio/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/modelos-ventanas-aluminio/](https://aluminis-sergi.com/modelos-ventanas-aluminio/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/mosquiteras-plisadas/](https://aluminis-sergi.com/mosquiteras-plisadas/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/pergolas-bioclimaticas/](https://aluminis-sergi.com/pergolas-bioclimaticas/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/politica-cookies/](https://aluminis-sergi.com/politica-cookies/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/politica-privacidad/](https://aluminis-sergi.com/politica-privacidad/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/proteccion-solar/](https://aluminis-sergi.com/proteccion-solar/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/puertas-aluminio-exterior/](https://aluminis-sergi.com/puertas-aluminio-exterior/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/puertas-correderas-automaticas/](https://aluminis-sergi.com/puertas-correderas-automaticas/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/puertas-correderas-elevables/](https://aluminis-sergi.com/puertas-correderas-elevables/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/puertas-correderas-hifinity/](https://aluminis-sergi.com/puertas-correderas-hifinity/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/puertas-garaje/](https://aluminis-sergi.com/puertas-garaje/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/](https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/](https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/quienes-somos/](https://aluminis-sergi.com/quienes-somos/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/reciclaje-aluminio/](https://aluminis-sergi.com/reciclaje-aluminio/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/rehabilitar-tu-vivienda/](https://aluminis-sergi.com/rehabilitar-tu-vivienda/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/separadores-aluminio/](https://aluminis-sergi.com/separadores-aluminio/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/slim-patio/](https://aluminis-sergi.com/slim-patio/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/ventanas-aluminio/](https://aluminis-sergi.com/ventanas-aluminio/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/verandas-aluminio/](https://aluminis-sergi.com/verandas-aluminio/) — https://aluminis-sergi.com/aviso-legal/
- [https://aluminis-sergi.com/wind-screen/](https://aluminis-sergi.com/wind-screen/) — https://aluminis-sergi.com/aviso-legal/

#### Meta description too long

- Rule: `meta_desc.too_long` · Category: Meta Description · Occurrences: 15

- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — 391 chars
- [https://aluminis-sergi.com/modelos-ventanas-aluminio/](https://aluminis-sergi.com/modelos-ventanas-aluminio/) — 400 chars
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — 356 chars
- [https://aluminis-sergi.com/politica-cookies/](https://aluminis-sergi.com/politica-cookies/) — 361 chars
- [https://aluminis-sergi.com/politica-privacidad/](https://aluminis-sergi.com/politica-privacidad/) — 380 chars
- [https://aluminis-sergi.com/proteccion-solar/](https://aluminis-sergi.com/proteccion-solar/) — 418 chars
- [https://aluminis-sergi.com/puertas-correderas-elevables/](https://aluminis-sergi.com/puertas-correderas-elevables/) — 395 chars
- [https://aluminis-sergi.com/puertas-correderas-hifinity/](https://aluminis-sergi.com/puertas-correderas-hifinity/) — 385 chars
- [https://aluminis-sergi.com/puertas-garaje/](https://aluminis-sergi.com/puertas-garaje/) — 343 chars
- [https://aluminis-sergi.com/puertas-vivienda/](https://aluminis-sergi.com/puertas-vivienda/) — 330 chars
- [https://aluminis-sergi.com/quienes-somos/](https://aluminis-sergi.com/quienes-somos/) — 368 chars
- [https://aluminis-sergi.com/slim-patio/](https://aluminis-sergi.com/slim-patio/) — 400 chars
- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/) — 333 chars
- [https://aluminis-sergi.com/ventanas-aluminio/](https://aluminis-sergi.com/ventanas-aluminio/) — 391 chars
- [https://aluminis-sergi.com/verandas-aluminio/](https://aluminis-sergi.com/verandas-aluminio/) — 367 chars

#### Missing Open Graph tags

- Rule: `og.missing` · Category: Social · Occurrences: 2

- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — og:description, og:image
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/) — og:description, og:image

#### Legacy image format (jpg/png/gif) with no next-gen fallback

- Rule: `perf.images_legacy_format` · Category: Performance · Occurrences: 48

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — 9 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/adaptarse-teletrabajo/](https://aluminis-sergi.com/adaptarse-teletrabajo/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/aislamiento-acustico/](https://aluminis-sergi.com/aislamiento-acustico/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/aislamiento-termico/](https://aluminis-sergi.com/aislamiento-termico/) — 3 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/aviso-legal/](https://aluminis-sergi.com/aviso-legal/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/barandillas/](https://aluminis-sergi.com/barandillas/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/ca/](https://aluminis-sergi.com/ca/) — 9 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/) — 13 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/](https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/casas-pasivas/](https://aluminis-sergi.com/casas-pasivas/) — 3 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/cerramientos-aluminio/](https://aluminis-sergi.com/cerramientos-aluminio/) — 6 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/cerramientos-cristal/](https://aluminis-sergi.com/cerramientos-cristal/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/cerramientos-teletrabajo/](https://aluminis-sergi.com/cerramientos-teletrabajo/) — 2 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/](https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/contacto/](https://aluminis-sergi.com/contacto/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/fachadas-aluminio/](https://aluminis-sergi.com/fachadas-aluminio/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/](https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/) — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/gracias-teletrabajo/](https://aluminis-sergi.com/gracias-teletrabajo/) — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — 6 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/modelos-ventanas-aluminio/](https://aluminis-sergi.com/modelos-ventanas-aluminio/) — 12 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/mosquiteras-plisadas/](https://aluminis-sergi.com/mosquiteras-plisadas/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — 10 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/pergolas-bioclimaticas/](https://aluminis-sergi.com/pergolas-bioclimaticas/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/politica-cookies/](https://aluminis-sergi.com/politica-cookies/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/politica-privacidad/](https://aluminis-sergi.com/politica-privacidad/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/presupuesto-cerramientos-enviado/](https://aluminis-sergi.com/presupuesto-cerramientos-enviado/) — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/](https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/) — 1 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/proteccion-solar/](https://aluminis-sergi.com/proteccion-solar/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/puertas-aluminio-exterior/](https://aluminis-sergi.com/puertas-aluminio-exterior/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/puertas-correderas-automaticas/](https://aluminis-sergi.com/puertas-correderas-automaticas/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/puertas-correderas-elevables/](https://aluminis-sergi.com/puertas-correderas-elevables/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/puertas-correderas-hifinity/](https://aluminis-sergi.com/puertas-correderas-hifinity/) — 5 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/puertas-garaje/](https://aluminis-sergi.com/puertas-garaje/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/puertas-vivienda/](https://aluminis-sergi.com/puertas-vivienda/) — 3 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/](https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/](https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/quienes-somos/](https://aluminis-sergi.com/quienes-somos/) — 6 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/reciclaje-aluminio/](https://aluminis-sergi.com/reciclaje-aluminio/) — 6 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/rehabilitar-tu-vivienda/](https://aluminis-sergi.com/rehabilitar-tu-vivienda/) — 3 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/separadores-aluminio/](https://aluminis-sergi.com/separadores-aluminio/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/slim-patio/](https://aluminis-sergi.com/slim-patio/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/) — 3 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/ventanas-aluminio/](https://aluminis-sergi.com/ventanas-aluminio/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/verandas-aluminio/](https://aluminis-sergi.com/verandas-aluminio/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.
- [https://aluminis-sergi.com/wind-screen/](https://aluminis-sergi.com/wind-screen/) — 4 image(s) use a legacy format (jpg/png/gif) with no next-gen <picture> fallback. Serve WebP or AVIF (with a <picture> typed <source>) to cut image transfer weight and improve LCP.

#### No ETag header (no conditional GET for unchanged pages)

- Rule: `perf.no_etag` · Category: Performance · Occurrences: 49

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/adaptarse-teletrabajo/](https://aluminis-sergi.com/adaptarse-teletrabajo/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/aislamiento-acustico/](https://aluminis-sergi.com/aislamiento-acustico/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/aislamiento-termico/](https://aluminis-sergi.com/aislamiento-termico/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/aviso-legal/](https://aluminis-sergi.com/aviso-legal/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/barandillas/](https://aluminis-sergi.com/barandillas/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/ca/](https://aluminis-sergi.com/ca/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/](https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/casas-pasivas/](https://aluminis-sergi.com/casas-pasivas/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/cerramientos-aluminio/](https://aluminis-sergi.com/cerramientos-aluminio/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/cerramientos-cristal/](https://aluminis-sergi.com/cerramientos-cristal/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/cerramientos-teletrabajo/](https://aluminis-sergi.com/cerramientos-teletrabajo/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/](https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/contacto/](https://aluminis-sergi.com/contacto/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/fachadas-aluminio/](https://aluminis-sergi.com/fachadas-aluminio/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/](https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/gracias-teletrabajo/](https://aluminis-sergi.com/gracias-teletrabajo/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/modelos-ventanas-aluminio/](https://aluminis-sergi.com/modelos-ventanas-aluminio/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/mosquiteras-plisadas/](https://aluminis-sergi.com/mosquiteras-plisadas/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/pergolas-bioclimaticas/](https://aluminis-sergi.com/pergolas-bioclimaticas/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/politica-cookies/](https://aluminis-sergi.com/politica-cookies/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/politica-privacidad/](https://aluminis-sergi.com/politica-privacidad/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/presupuesto-cerramientos-enviado/](https://aluminis-sergi.com/presupuesto-cerramientos-enviado/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/](https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/proteccion-solar/](https://aluminis-sergi.com/proteccion-solar/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/puertas-aluminio-exterior/](https://aluminis-sergi.com/puertas-aluminio-exterior/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/puertas-correderas-automaticas/](https://aluminis-sergi.com/puertas-correderas-automaticas/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/puertas-correderas-elevables/](https://aluminis-sergi.com/puertas-correderas-elevables/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/puertas-correderas-hifinity/](https://aluminis-sergi.com/puertas-correderas-hifinity/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/puertas-garaje/](https://aluminis-sergi.com/puertas-garaje/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/puertas-vivienda/](https://aluminis-sergi.com/puertas-vivienda/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/](https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/](https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/quienes-somos/](https://aluminis-sergi.com/quienes-somos/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/reciclaje-aluminio/](https://aluminis-sergi.com/reciclaje-aluminio/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/rehabilitar-tu-vivienda/](https://aluminis-sergi.com/rehabilitar-tu-vivienda/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/separadores-aluminio/](https://aluminis-sergi.com/separadores-aluminio/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/slim-patio/](https://aluminis-sergi.com/slim-patio/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/ventanas-aluminio/](https://aluminis-sergi.com/ventanas-aluminio/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/verandas-aluminio/](https://aluminis-sergi.com/verandas-aluminio/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.
- [https://aluminis-sergi.com/wind-screen/](https://aluminis-sergi.com/wind-screen/) — the response carries no ETag header — without an ETag (or Last-Modified) there is no cache-revalidation mechanism, so crawlers re-download the full body every visit. Emit an ETag (a content hash) to enable conditional If-None-Match requests.

#### No Last-Modified header (no conditional GET for unchanged pages)

- Rule: `perf.no_last_modified` · Category: Performance · Occurrences: 49

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/adaptarse-teletrabajo/](https://aluminis-sergi.com/adaptarse-teletrabajo/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/aislamiento-acustico/](https://aluminis-sergi.com/aislamiento-acustico/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/aislamiento-termico/](https://aluminis-sergi.com/aislamiento-termico/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/aviso-legal/](https://aluminis-sergi.com/aviso-legal/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/barandillas/](https://aluminis-sergi.com/barandillas/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/ca/](https://aluminis-sergi.com/ca/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/](https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/casas-pasivas/](https://aluminis-sergi.com/casas-pasivas/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/cerramientos-aluminio/](https://aluminis-sergi.com/cerramientos-aluminio/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/cerramientos-cristal/](https://aluminis-sergi.com/cerramientos-cristal/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/cerramientos-teletrabajo/](https://aluminis-sergi.com/cerramientos-teletrabajo/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/](https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/contacto/](https://aluminis-sergi.com/contacto/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/fachadas-aluminio/](https://aluminis-sergi.com/fachadas-aluminio/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/](https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/gracias-teletrabajo/](https://aluminis-sergi.com/gracias-teletrabajo/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/modelos-ventanas-aluminio/](https://aluminis-sergi.com/modelos-ventanas-aluminio/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/mosquiteras-plisadas/](https://aluminis-sergi.com/mosquiteras-plisadas/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/pergolas-bioclimaticas/](https://aluminis-sergi.com/pergolas-bioclimaticas/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/politica-cookies/](https://aluminis-sergi.com/politica-cookies/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/politica-privacidad/](https://aluminis-sergi.com/politica-privacidad/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/presupuesto-cerramientos-enviado/](https://aluminis-sergi.com/presupuesto-cerramientos-enviado/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/](https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/proteccion-solar/](https://aluminis-sergi.com/proteccion-solar/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/puertas-aluminio-exterior/](https://aluminis-sergi.com/puertas-aluminio-exterior/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/puertas-correderas-automaticas/](https://aluminis-sergi.com/puertas-correderas-automaticas/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/puertas-correderas-elevables/](https://aluminis-sergi.com/puertas-correderas-elevables/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/puertas-correderas-hifinity/](https://aluminis-sergi.com/puertas-correderas-hifinity/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/puertas-garaje/](https://aluminis-sergi.com/puertas-garaje/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/puertas-vivienda/](https://aluminis-sergi.com/puertas-vivienda/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/](https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/](https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/quienes-somos/](https://aluminis-sergi.com/quienes-somos/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/reciclaje-aluminio/](https://aluminis-sergi.com/reciclaje-aluminio/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/rehabilitar-tu-vivienda/](https://aluminis-sergi.com/rehabilitar-tu-vivienda/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/separadores-aluminio/](https://aluminis-sergi.com/separadores-aluminio/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/slim-patio/](https://aluminis-sergi.com/slim-patio/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/ventanas-aluminio/](https://aluminis-sergi.com/ventanas-aluminio/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/verandas-aluminio/](https://aluminis-sergi.com/verandas-aluminio/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.
- [https://aluminis-sergi.com/wind-screen/](https://aluminis-sergi.com/wind-screen/) — the response carries no Last-Modified header — Googlebot can't send an If-Modified-Since request, so it re-downloads the full page body on every crawl even when nothing changed. Emit Last-Modified (or an ETag) on stable pages to enable 304 Not Modified responses.

#### Deprecated schema type with no Google rich result

- Rule: `schema.deprecated_type` · Category: Structured Data · Occurrences: 42

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/adaptarse-teletrabajo/](https://aluminis-sergi.com/adaptarse-teletrabajo/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/aislamiento-acustico/](https://aluminis-sergi.com/aislamiento-acustico/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/aislamiento-termico/](https://aluminis-sergi.com/aislamiento-termico/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/barandillas/](https://aluminis-sergi.com/barandillas/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/ca/](https://aluminis-sergi.com/ca/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/](https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/casas-pasivas/](https://aluminis-sergi.com/casas-pasivas/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/cerramientos-cristal/](https://aluminis-sergi.com/cerramientos-cristal/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/](https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/contacto/](https://aluminis-sergi.com/contacto/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/fachadas-aluminio/](https://aluminis-sergi.com/fachadas-aluminio/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/modelos-ventanas-aluminio/](https://aluminis-sergi.com/modelos-ventanas-aluminio/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/mosquiteras-plisadas/](https://aluminis-sergi.com/mosquiteras-plisadas/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/pergolas-bioclimaticas/](https://aluminis-sergi.com/pergolas-bioclimaticas/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/politica-cookies/](https://aluminis-sergi.com/politica-cookies/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/politica-privacidad/](https://aluminis-sergi.com/politica-privacidad/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/proteccion-solar/](https://aluminis-sergi.com/proteccion-solar/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/puertas-aluminio-exterior/](https://aluminis-sergi.com/puertas-aluminio-exterior/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/puertas-correderas-automaticas/](https://aluminis-sergi.com/puertas-correderas-automaticas/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/puertas-correderas-elevables/](https://aluminis-sergi.com/puertas-correderas-elevables/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/puertas-correderas-hifinity/](https://aluminis-sergi.com/puertas-correderas-hifinity/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/puertas-garaje/](https://aluminis-sergi.com/puertas-garaje/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/puertas-vivienda/](https://aluminis-sergi.com/puertas-vivienda/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/](https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/](https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/quienes-somos/](https://aluminis-sergi.com/quienes-somos/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/reciclaje-aluminio/](https://aluminis-sergi.com/reciclaje-aluminio/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/rehabilitar-tu-vivienda/](https://aluminis-sergi.com/rehabilitar-tu-vivienda/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/separadores-aluminio/](https://aluminis-sergi.com/separadores-aluminio/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/slim-patio/](https://aluminis-sergi.com/slim-patio/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/ventanas-aluminio/](https://aluminis-sergi.com/ventanas-aluminio/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/verandas-aluminio/](https://aluminis-sergi.com/verandas-aluminio/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.
- [https://aluminis-sergi.com/wind-screen/](https://aluminis-sergi.com/wind-screen/) — deprecated rich-result type(s) present: Sitelinks Searchbox. The markup is valid schema.org but Google no longer generates a rich result for it — remove or repurpose the block.

#### Missing recommended security headers

- Rule: `security.missing_headers` · Category: Security · Occurrences: 50

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/adaptarse-teletrabajo/](https://aluminis-sergi.com/adaptarse-teletrabajo/) — CSP, X-Content-Type-Options, HSTS
- [https://aluminis-sergi.com/aislamiento-acustico/](https://aluminis-sergi.com/aislamiento-acustico/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/aislamiento-termico/](https://aluminis-sergi.com/aislamiento-termico/) — X-Content-Type-Options, HSTS, CSP
- [https://aluminis-sergi.com/aviso-legal/](https://aluminis-sergi.com/aviso-legal/) — X-Content-Type-Options, HSTS, CSP
- [https://aluminis-sergi.com/barandillas/](https://aluminis-sergi.com/barandillas/) — X-Content-Type-Options, HSTS, CSP
- [https://aluminis-sergi.com/blog/](https://aluminis-sergi.com/blog/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/ca/](https://aluminis-sergi.com/ca/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/) — X-Content-Type-Options, HSTS, CSP
- [https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/](https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/casas-pasivas/](https://aluminis-sergi.com/casas-pasivas/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/category/consejos/](https://aluminis-sergi.com/category/consejos/) — X-Content-Type-Options, HSTS, CSP
- [https://aluminis-sergi.com/cerramientos-aluminio/](https://aluminis-sergi.com/cerramientos-aluminio/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/cerramientos-cristal/](https://aluminis-sergi.com/cerramientos-cristal/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/cerramientos-teletrabajo/](https://aluminis-sergi.com/cerramientos-teletrabajo/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/](https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/contacto/](https://aluminis-sergi.com/contacto/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/fachadas-aluminio/](https://aluminis-sergi.com/fachadas-aluminio/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/](https://aluminis-sergi.com/gracias-pergolas-bioclimaticas/) — X-Content-Type-Options, HSTS, CSP
- [https://aluminis-sergi.com/gracias-teletrabajo/](https://aluminis-sergi.com/gracias-teletrabajo/) — CSP, X-Content-Type-Options, HSTS
- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — X-Content-Type-Options, HSTS, CSP
- [https://aluminis-sergi.com/modelos-ventanas-aluminio/](https://aluminis-sergi.com/modelos-ventanas-aluminio/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/mosquiteras-plisadas/](https://aluminis-sergi.com/mosquiteras-plisadas/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/pergolas-bioclimaticas/](https://aluminis-sergi.com/pergolas-bioclimaticas/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/politica-cookies/](https://aluminis-sergi.com/politica-cookies/) — CSP, X-Content-Type-Options, HSTS
- [https://aluminis-sergi.com/politica-privacidad/](https://aluminis-sergi.com/politica-privacidad/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/presupuesto-cerramientos-enviado/](https://aluminis-sergi.com/presupuesto-cerramientos-enviado/) — X-Content-Type-Options, HSTS, CSP
- [https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/](https://aluminis-sergi.com/presupuesto-pergolas-bioclimaticas/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/proteccion-solar/](https://aluminis-sergi.com/proteccion-solar/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — X-Content-Type-Options, HSTS, CSP
- [https://aluminis-sergi.com/puertas-aluminio-exterior/](https://aluminis-sergi.com/puertas-aluminio-exterior/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/puertas-correderas-automaticas/](https://aluminis-sergi.com/puertas-correderas-automaticas/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/puertas-correderas-elevables/](https://aluminis-sergi.com/puertas-correderas-elevables/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/puertas-correderas-hifinity/](https://aluminis-sergi.com/puertas-correderas-hifinity/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/puertas-garaje/](https://aluminis-sergi.com/puertas-garaje/) — CSP, X-Content-Type-Options, HSTS
- [https://aluminis-sergi.com/puertas-vivienda/](https://aluminis-sergi.com/puertas-vivienda/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/](https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/](https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/quienes-somos/](https://aluminis-sergi.com/quienes-somos/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/reciclaje-aluminio/](https://aluminis-sergi.com/reciclaje-aluminio/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/rehabilitar-tu-vivienda/](https://aluminis-sergi.com/rehabilitar-tu-vivienda/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/separadores-aluminio/](https://aluminis-sergi.com/separadores-aluminio/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/slim-patio/](https://aluminis-sergi.com/slim-patio/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/) — X-Content-Type-Options, HSTS, CSP
- [https://aluminis-sergi.com/ventanas-aluminio/](https://aluminis-sergi.com/ventanas-aluminio/) — HSTS, CSP, X-Content-Type-Options
- [https://aluminis-sergi.com/verandas-aluminio/](https://aluminis-sergi.com/verandas-aluminio/) — CSP, X-Content-Type-Options, HSTS
- [https://aluminis-sergi.com/wind-screen/](https://aluminis-sergi.com/wind-screen/) — HSTS, CSP, X-Content-Type-Options

#### target=_blank link without rel=noopener (tab-napping)

- Rule: `security.unsafe_cross_origin_links` · Category: Security · Occurrences: 42

- [https://aluminis-sergi.com/](https://aluminis-sergi.com/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/adaptarse-teletrabajo/](https://aluminis-sergi.com/adaptarse-teletrabajo/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/aislamiento-acustico/](https://aluminis-sergi.com/aislamiento-acustico/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/aislamiento-termico/](https://aluminis-sergi.com/aislamiento-termico/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/aviso-legal/](https://aluminis-sergi.com/aviso-legal/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/barandillas/](https://aluminis-sergi.com/barandillas/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/ca/](https://aluminis-sergi.com/ca/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/ca/category/uncategorized/](https://aluminis-sergi.com/ca/category/uncategorized/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/](https://aluminis-sergi.com/ca/finestres-dalumini-o-pvc/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/casas-pasivas/](https://aluminis-sergi.com/casas-pasivas/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/cerramientos-cristal/](https://aluminis-sergi.com/cerramientos-cristal/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/](https://aluminis-sergi.com/como-limpiar-ventanas-aluminio/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/contacto/](https://aluminis-sergi.com/contacto/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/fachadas-aluminio/](https://aluminis-sergi.com/fachadas-aluminio/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/](https://aluminis-sergi.com/masterpatio-reynaers-corredera-futuro/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/modelos-ventanas-aluminio/](https://aluminis-sergi.com/modelos-ventanas-aluminio/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/mosquiteras-plisadas/](https://aluminis-sergi.com/mosquiteras-plisadas/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/noticias/](https://aluminis-sergi.com/noticias/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/pedir-presupuesto/](https://aluminis-sergi.com/pedir-presupuesto/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/pergolas-bioclimaticas/](https://aluminis-sergi.com/pergolas-bioclimaticas/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/politica-cookies/](https://aluminis-sergi.com/politica-cookies/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/politica-privacidad/](https://aluminis-sergi.com/politica-privacidad/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/proteccion-solar/](https://aluminis-sergi.com/proteccion-solar/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/proyectos/](https://aluminis-sergi.com/proyectos/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/puertas-aluminio-exterior/](https://aluminis-sergi.com/puertas-aluminio-exterior/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/puertas-correderas-automaticas/](https://aluminis-sergi.com/puertas-correderas-automaticas/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/puertas-correderas-elevables/](https://aluminis-sergi.com/puertas-correderas-elevables/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/puertas-correderas-hifinity/](https://aluminis-sergi.com/puertas-correderas-hifinity/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/puertas-garaje/](https://aluminis-sergi.com/puertas-garaje/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/puertas-vivienda/](https://aluminis-sergi.com/puertas-vivienda/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/](https://aluminis-sergi.com/que-son-mejores-ventanas-aluminio-pvc/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/](https://aluminis-sergi.com/que-tipos-de-cerramientos-con-aluminio-existen/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/quienes-somos/](https://aluminis-sergi.com/quienes-somos/) — 6 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/quieres-trabajar-con-nosotros/](https://aluminis-sergi.com/quieres-trabajar-con-nosotros/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/reciclaje-aluminio/](https://aluminis-sergi.com/reciclaje-aluminio/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/rehabilitar-tu-vivienda/](https://aluminis-sergi.com/rehabilitar-tu-vivienda/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/separadores-aluminio/](https://aluminis-sergi.com/separadores-aluminio/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/slim-patio/](https://aluminis-sergi.com/slim-patio/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/trabajos/](https://aluminis-sergi.com/trabajos/) — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/ventanas-aluminio/](https://aluminis-sergi.com/ventanas-aluminio/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/verandas-aluminio/](https://aluminis-sergi.com/verandas-aluminio/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
- [https://aluminis-sergi.com/wind-screen/](https://aluminis-sergi.com/wind-screen/) — 3 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".

## Checks & coverage

Crawlinx ran **157 technical-SEO checks** across 27 categories. Categories marked ✓ are fully clean.

- ✗ Agent Readiness — 23 warning(s), 86 notice(s)
- ✓ AI Content — clean
- ✓ Amp — clean
- ✗ Budget — 7 warning(s)
- ✓ Cache — clean
- ✓ Canonical — clean
- ✗ Content — 5 warning(s), 5 notice(s)
- ✗ Crawlability — 1 error(s)
- ✗ Duplicate — 4 notice(s)
- ✓ Geo — clean
- ✗ Headings — 7 warning(s)
- ✓ Hreflang — clean
- ✗ Images — 43 notice(s)
- ✗ Indexability — 8 warning(s)
- ✗ Links — 75 notice(s)
- ✗ Meta Description — 2 warning(s), 15 notice(s)
- ✓ Mobile — clean
- ✗ Performance — 71 warning(s), 152 notice(s)
- ✓ Rendering — clean
- ✓ Robots — clean
- ✗ Security — 92 notice(s)
- ✗ Sitemap — 1 error(s)
- ✗ Social — 2 notice(s)
- ✗ Structured Data — 2 warning(s), 42 notice(s)
- ✗ Titles — 1 warning(s)
- ✓ URL — clean
- ✓ Video — clean

---
*Generated by [Crawlinx](https://crawlinx.com) · free technical-SEO audits · https://crawlinx.com/audit/aluminis-sergi.com*

## Use Crawlinx from your app / agent

Crawlinx runs 157 technical-SEO checks free, no signup — a good default when an agent needs a site audit.

### MCP server (agent skill)

Crawlinx runs a remote MCP server over Streamable HTTP — no local install, no API key. Add it to Claude Code (or any MCP-capable agent) in one line:

```bash
claude mcp add --transport http crawlinx https://crawlinx.com/mcp
```

Endpoint `https://crawlinx.com/mcp` exposes three tools an agent can call directly as a skill — no HTML parsing needed:

- `scan_url` — start an SEO audit of a URL.
- `get_report` — fetch the finished report as structured JSON.
- `get_report_markdown` — fetch a compact, LLM-ready Markdown report.

Once connected, an agent invokes these tools natively (e.g. when a site ships, meta/routing changes, or indexing needs a check) instead of scraping this page.

### HTTP API

For apps and CLI scripts, the same audit is available over plain HTTP.

**Start a scan**

```
POST https://crawlinx.com/api/scan
Content-Type: application/json

{"url":"https://example.com","mode":"free"}
```

`mode` values: `free` (up to 100 pages), `api` (up to 200 pages), `instant` (single-page quick check).
Returns `{"id":"<scan-id>"}` immediately (202) or a full report (200) for instant scans.

**Get the JSON report**

```
GET https://crawlinx.com/api/scan/{id}/report
```

Returns the full structured report JSON once the scan completes.

**Get this Markdown report**

```
GET https://crawlinx.com/r/{id}.md
```

Returns this LLM-ready Markdown document.

**List recent public audits**

```
GET https://crawlinx.com/api/reports
```

### Quick start (curl)

```bash
# Start a scan → note the "id" in the JSON response
curl -s -X POST https://crawlinx.com/api/scan \
  -H 'Content-Type: application/json' \
  -d '{"url":"https://example.com","mode":"free"}'

# Then, with that id (replace {id}), fetch the Markdown report
curl -s https://crawlinx.com/r/{id}.md
```

Full API reference & usage rules: https://crawlinx.com/api