Catalog / astro.build
66

SEO audit for astro.build

Astro

otherWebflow

Health 66/100 (fair) · 50 pages crawled · generated 2026-08-26

Download Markdown report (feed to ChatGPT / Claude / Cursor)

Astro builds fast content sites, powerful web applications, dynamic server APIs, and everything in-between.

Screenshot of astro.build
50
pages crawled
45
indexable pages
0
errors
95
warnings
376
notices
0
orphan pages
0
broken links
Category breakdown
CategoryScoreErrorsWarningsNotices
Links 74 0 44 0
Duplicate 84 0 26 30
Security 94 0 10 88
Performance 96 0 6 115
Crawlability 98 0 3 0
Content 99 0 1 51
Headings 99 0 1 0
Indexability 99 0 1 0
Mobile 99 0 1 1
Sitemap 99 0 1 3
Titles 99 0 1 5
Agent Readiness 100 0 0 1
Cache 100 0 0 10
Images 100 0 0 7
Meta Description 100 0 0 23
Structured Data 100 0 0 42
Findings

Warnings (13 rules)

warning Thin content (low word count)

Rule content.thin · Content · 1 occurrence(s)

warning Duplicate <title> across pages

Rule duplicate.title · Duplicate · 26 occurrence(s)

warning Incomplete/empty response after retries (likely transient — re-crawl)

Rule fetch.incomplete · Crawlability · 1 occurrence(s)

warning Missing <h1>

Rule h1.missing · Headings · 1 occurrence(s)

warning Content-Type header doesn't match the actual content

Rule headers.content_type_mismatch · Security · 10 occurrence(s)

  • https://astro.build/agencies/ — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://astro.build/integrations/ — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://astro.build/integrations/2/ — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://astro.build/integrations/2/?categories%5B%5D=recent — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://astro.build/integrations/2/?search=&categories%5B%5D=adapters — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://astro.build/integrations/?categories%5B%5D=recent — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://astro.build/integrations/?search=&categories%5B%5D=adapters — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://astro.build/themes/ — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://astro.build/themes/1/?search=&categories%5B%5D=ecommerce — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".
  • https://astro.build/themes/details/starlight/ — the Content-Type is "text/html" with no charset — the HTTP charset is authoritative and browsers otherwise guess the encoding, which can garble non-ASCII text (mojibake). Declare it explicitly: "text/html; charset=utf-8".

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

Rule images.no_lazy_lcp_candidate · Performance · 6 occurrence(s)

  • https://astro.build/blog/15/ — the likely hero/LCP image (astro-netlify-social.cpvjjmxg_17dhlh.webp) 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://astro.build/showcase/ — the likely hero/LCP image (day-of-the-dead.gvzupvcs_z1dxcc2.webp) 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://astro.build/showcase/2/ — the likely hero/LCP image (starlight.astro.build.b8yzljkr_zc3elz.webp) 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://astro.build/themes/ — the likely hero/LCP image (_image) 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://astro.build/themes/1/?search=&categories%5B%5D=ecommerce — the likely hero/LCP image (_image) 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://astro.build/wallpapers/ — the likely hero/LCP image (arc.webp) 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.

warning Page is noindex

Rule index.noindex · Indexability · 1 occurrence(s)

warning Internal link points to a redirect

Rule links.redirect_target · Links · 44 occurrence(s)

warning Meta-refresh redirect (use an HTTP 301 instead)

Rule meta.refresh_redirect · Crawlability · 1 occurrence(s)

warning Missing viewport meta tag

Rule mobile.viewport_missing · Mobile · 1 occurrence(s)

warning Redirect chain (multiple hops)

Rule redirect.chain · Crawlability · 1 occurrence(s)

warning Non-indexable URL listed in sitemap

Rule sitemap.non_indexable · Sitemap · 1 occurrence(s)

warning Title likely truncated in SERP (too wide)

Rule title.too_long · Titles · 1 occurrence(s)

Notices (22 rules)

notice No llms.txt for AI agents

Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)

  • https://astro.build/ — no llms.txt found at the site root — add one so AI agents get a curated site summary

notice Page served uncached (no-store/private or CDN bypass)

Rule cache.not_cacheable · Cache · 10 occurrence(s)

notice Low text-to-HTML ratio

Rule content.low_ratio · Content · 11 occurrence(s)

notice Main text is hard to read (low Flesch Reading Ease)

Rule content.readability_poor · Content · 40 occurrence(s)

  • https://astro.build/ — this page reads as difficult (Flesch Reading Ease 42, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/agencies/ — this page reads as difficult (Flesch Reading Ease 40, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/agencies/bejamas/ — this page reads as very difficult (Flesch Reading Ease 24, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/agencies/join/ — this page reads as difficult (Flesch Reading Ease 37, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/agencies/lucky-media/ — this page reads as difficult (Flesch Reading Ease 35, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/blog/ — this page reads as difficult (Flesch Reading Ease 44, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/blog/2/ — this page reads as difficult (Flesch Reading Ease 35, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/case-studies/ — this page reads as very difficult (Flesch Reading Ease -5, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/case-studies/codetv/ — this page reads as difficult (Flesch Reading Ease 41, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/integrations/ — this page reads as very difficult (Flesch Reading Ease 25, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/integrations/2/ — this page reads as very difficult (Flesch Reading Ease -12, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/integrations/2/?categories%5B%5D=recent — this page reads as very difficult (Flesch Reading Ease 25, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/integrations/2/?search=&categories%5B%5D=adapters — this page reads as very difficult (Flesch Reading Ease 22, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/integrations/?categories%5B%5D=recent — this page reads as very difficult (Flesch Reading Ease 29, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/integrations/?search=&categories%5B%5D=adapters — this page reads as very difficult (Flesch Reading Ease 21, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/newsletter/confirm/ — this page reads as difficult (Flesch Reading Ease 37, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/partnerships/ — this page reads as difficult (Flesch Reading Ease 43, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/press/ — this page reads as difficult (Flesch Reading Ease 39, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/showcase/ — this page reads as difficult (Flesch Reading Ease 45, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/showcase/2/ — this page reads as difficult (Flesch Reading Ease 44, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/telemetry/ — this page reads as difficult (Flesch Reading Ease 31, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/themes/ — this page reads as difficult (Flesch Reading Ease 37, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/themes/1/?search=&categories%5B%5D=ecommerce — this page reads as difficult (Flesch Reading Ease 38, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/themes/details/starlight/ — this page reads as difficult (Flesch Reading Ease 36, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.
  • https://astro.build/wallpapers/ — this page reads as very difficult (Flesch Reading Ease -8, below 50) — long sentences and multi-syllable words make it hard to scan. Shorten sentences and prefer plainer words to widen your audience. Density can be legitimate for expert, technical or legal content, so judge it against who the page is for.

notice Duplicate meta description across pages

Rule duplicate.meta_desc · Duplicate · 30 occurrence(s)

notice Missing html lang attribute

Rule i18n.lang_missing · Mobile · 1 occurrence(s)

notice Image alt text is very long (possible keyword stuffing)

Rule images.alt_too_long · Images · 1 occurrence(s)

notice Likely hero image lacks fetchpriority=high

Rule images.hero_no_fetchpriority · Performance · 31 occurrence(s)

  • https://astro.build/agencies/ — the likely hero/LCP image (_image) 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://astro.build/agencies/bejamas/ — the likely hero/LCP image (bejamas.rfjqlsux_z2x0qtb.webp) 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://astro.build/agencies/join/ — the likely hero/LCP image (partnerships-page-1.dmbgtml__1gnwik.webp) 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://astro.build/agencies/lucky-media/ — the likely hero/LCP image (lucky-media.cospn2hl_z1zejvo.webp) 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://astro.build/agencies/seibert/ — the likely hero/LCP image (seibert.dcbdgiid_2uwief.webp) 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://astro.build/blog/ — the likely hero/LCP image (whats-new-shared.-ivrxkgh_z74b4g.webp) 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://astro.build/blog/10/ — the likely hero/LCP image (post-header-4.4.cziivalb_20ttmp.webp) 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://astro.build/blog/2/ — the likely hero/LCP image (blog-post-astro-6.ckpebdre_1wk0x0.webp) 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://astro.build/blog/3/ — the likely hero/LCP image (whats-new-shared.-ivrxkgh_z74b4g.webp) 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://astro.build/blog/4/ — the likely hero/LCP image (blog-post-cover-astro-5120.b60uwmo2_z4itdd.webp) 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://astro.build/blog/5/ — the likely hero/LCP image (blog-hero.c2y76ioc_z298y8a.webp) 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://astro.build/blog/6/ — the likely hero/LCP image (blog-post-5-2.crlldxcu_z15ariq.webp) 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://astro.build/blog/7/ — the likely hero/LCP image (blog-post-cloudinary.bnw63cyv_2sgxgo.webp) 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://astro.build/blog/8/ — the likely hero/LCP image (header_astro_4_12.bh657oww_z1qirni.webp) 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://astro.build/blog/9/ — the likely hero/LCP image (header_astro_4_8.czw3t_s9_1jefce.webp) 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://astro.build/case-studies/ — the likely hero/LCP image (cover-image.ded_rc4s_zzmuei.webp) 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://astro.build/case-studies/codetv/ — the likely hero/LCP image (header.b-hfvn9p_z1itdnk.webp) 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://astro.build/integrations/ — the likely hero/LCP image (sitemap.svg) 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://astro.build/integrations/2/ — the likely hero/LCP image (vue.svg) 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://astro.build/integrations/2/?search=&categories%5B%5D=adapters — the likely hero/LCP image (lagon-astro.png) 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://astro.build/integrations/?search=&categories%5B%5D=adapters — the likely hero/LCP image (node.svg) 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://astro.build/newsletter/confirm/ — the likely hero/LCP image (houston-happy.bxpak2xk.webp) 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://astro.build/partnerships/ — the likely hero/LCP image (partnerships-page-1.dmbgtml__1gnwik.webp) 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://astro.build/press/ — the likely hero/LCP image (astro-logo-dark.svg) 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://astro.build/themes/details/starlight/ — the likely hero/LCP image (_image) 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.

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

Rule images.missing_dimensions · Images · 6 occurrence(s)

notice Meta description too long

Rule meta_desc.too_long · Meta Description · 1 occurrence(s)

notice Meta description too short

Rule meta_desc.too_short · Meta Description · 22 occurrence(s)

notice Large DOM (over 1500 elements) slows rendering & interaction

Rule perf.dom_size_large · Performance · 1 occurrence(s)

  • https://astro.build/ — the page has 1832 DOM elements (recommended maximum is around 1500) — a large DOM increases style-recalculation, layout and paint cost, hurting LCP and INP. Flatten deep nesting, paginate long lists/tables, and lazy-render off-screen elements.

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

Rule perf.images_legacy_format · Performance · 7 occurrence(s)

  • https://astro.build/integrations/ — 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://astro.build/integrations/2/?search=&categories%5B%5D=adapters — 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://astro.build/showcase/ — 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://astro.build/showcase/2/ — 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://astro.build/themes/ — 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://astro.build/themes/1/?search=&categories%5B%5D=ecommerce — 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://astro.build/themes/details/starlight/ — 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.

notice Large HTML document

Rule perf.large_html · Performance · 1 occurrence(s)

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

Rule perf.no_etag · Performance · 10 occurrence(s)

  • https://astro.build/agencies/ — 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://astro.build/integrations/ — 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://astro.build/integrations/2/ — 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://astro.build/integrations/2/?categories%5B%5D=recent — 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://astro.build/integrations/2/?search=&categories%5B%5D=adapters — 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://astro.build/integrations/?categories%5B%5D=recent — 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://astro.build/integrations/?search=&categories%5B%5D=adapters — 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://astro.build/themes/ — 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://astro.build/themes/1/?search=&categories%5B%5D=ecommerce — 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://astro.build/themes/details/starlight/ — 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.

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

Rule perf.no_last_modified · Performance · 45 occurrence(s)

  • https://astro.build/ — 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://astro.build/agencies/ — 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://astro.build/agencies/bejamas/ — 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://astro.build/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://astro.build/blog/2/ — 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://astro.build/case-studies/ — 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://astro.build/case-studies/codetv/ — 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://astro.build/integrations/ — 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://astro.build/integrations/2/ — 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://astro.build/integrations/2/?search=&categories%5B%5D=adapters — 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://astro.build/integrations/?categories%5B%5D=recent — 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://astro.build/integrations/?search=&categories%5B%5D=adapters — 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://astro.build/newsletter/confirm/ — 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://astro.build/partnerships/ — 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://astro.build/press/ — 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://astro.build/privacy/ — 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://astro.build/showcase/ — 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://astro.build/showcase/2/ — 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://astro.build/telemetry/ — 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://astro.build/terms/ — 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://astro.build/themes/ — 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://astro.build/themes/1/?search=&categories%5B%5D=ecommerce — 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://astro.build/themes/details/starlight/ — 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://astro.build/themes/submit/ — 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://astro.build/wallpapers/ — 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.

notice Slow server response

Rule perf.slow_response · Performance · 20 occurrence(s)

notice No structured data detected

Rule schema.none · Structured Data · 42 occurrence(s)

notice Missing recommended security headers

Rule security.missing_headers · Security · 45 occurrence(s)

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

Rule security.unsafe_cross_origin_links · Security · 43 occurrence(s)

  • https://astro.build/ — 19 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://astro.build/agencies/ — 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://astro.build/agencies/bejamas/ — 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://astro.build/agencies/join/ — 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://astro.build/blog/ — 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://astro.build/blog/2/ — 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://astro.build/case-studies/ — 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://astro.build/case-studies/codetv/ — 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://astro.build/integrations/ — 23 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://astro.build/integrations/2/ — 20 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://astro.build/integrations/2/?categories%5B%5D=recent — 20 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://astro.build/integrations/2/?search=&categories%5B%5D=adapters — 20 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://astro.build/integrations/?categories%5B%5D=recent — 20 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://astro.build/integrations/?search=&categories%5B%5D=adapters — 20 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".
  • https://astro.build/partnerships/ — 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://astro.build/press/ — 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://astro.build/privacy/ — 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://astro.build/showcase/ — 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://astro.build/showcase/2/ — 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://astro.build/telemetry/ — 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://astro.build/terms/ — 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://astro.build/themes/ — 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://astro.build/themes/1/?search=&categories%5B%5D=ecommerce — 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://astro.build/themes/details/starlight/ — 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://astro.build/wallpapers/ — 2 external link(s) use target="_blank" without rel="noopener" — the opened page can hijack your tab (reverse tab-napping). Add rel="noopener noreferrer".

notice Indexable page not listed in sitemap

Rule sitemap.orphan_not_listed · Sitemap · 3 occurrence(s)

notice Title is very short

Rule title.too_short · Titles · 5 occurrence(s)

Pages (showing 50 of 50)
URLStatusIndexableWordsIn-links
https://astro.build/
Astro		 200 yes 980 44
https://astro.build/agencies/
Astro Partner Agencies | Astro		 200 yes 597 44
https://astro.build/blog/
The Astro Blog | Astro		 200 yes 553 44
https://astro.build/case-studies/
Case Studies | Astro		 200 yes 281 44
https://astro.build/chat/
Astro Lounge		 200 yes 0 44
https://astro.build/integrations/
Integrations | Astro		 200 yes 619 44
https://astro.build/showcase/
Showcase | Astro		 200 yes 546 44
https://astro.build/themes/
Themes | Astro		 200 yes 636 44
https://astro.build/partnerships/
Partner with Astro | Astro		 200 yes 1830 43
https://astro.build/press/
Press | Astro		 200 yes 622 43
https://astro.build/privacy/
Privacy Policy | Astro		 200 yes 1286 43
https://astro.build/telemetry/
Telemetry | Astro		 200 yes 667 43
https://astro.build/terms/
Terms of Service | Astro		 200 yes 2008 43
https://astro.build/wallpapers/
Wallpapers | Astro		 200 yes 225 43
https://astro.build/agencies/join/
Become an Astro Agency Partner | Astro		 200 yes 621 5
https://astro.build/blog/16/
The Astro Blog | Astro		 200 yes 290 16
https://astro.build/blog/2023-web-framework-performance-report/
2023 Web Framework Performance Report | Astro		 200 yes 2276 16
https://astro.build/themes/1/?search=&categories%5B%5D=ecommerce
Themes | Astro		 200 yes 813 3
https://astro.build/agencies/bejamas/
Bejamas | Partner Agency | Astro		 200 yes 389 2
https://astro.build/agencies/lucky-media/
Lucky Media | Partner Agency | Astro		 200 yes 499 2
https://astro.build/agencies/seibert/
Seibert Group GmbH | Partner Agency | Astro		 200 yes 607 2
https://astro.build/integrations/?categories%5B%5D=recent
Integrations | Astro		 200 yes 609 3
https://astro.build/showcase/2/
Showcase | Astro		 200 yes 610 2
https://astro.build/blog/3/
The Astro Blog | Astro		 200 yes 591 4
https://astro.build/case-studies/codetv/
Unleashing creativity: How CodeTV built a video streaming platform with Astro and Mux | Astro		 200 yes 1116 2
https://astro.build/integrations/2/
Integrations | Astro		 200 yes 526 2
https://astro.build/blog/2/
The Astro Blog | Astro		 200 yes 581 3
https://astro.build/on/bluesky/ 200 yes 0 1
https://astro.build/integrations/?search=&categories%5B%5D=adapters
Integrations | Astro		 200 yes 532 3
https://astro.build/themes/details/starlight/
Starlight | Astro		 200 yes 445 1
https://astro.build/blog/14/
The Astro Blog | Astro		 200 yes 599 4
https://astro.build/blog/15/
The Astro Blog | Astro		 200 yes 557 3
https://astro.build/blog/4/
The Astro Blog | Astro		 200 yes 558 3
https://astro.build/integrations/2/?categories%5B%5D=recent
Integrations | Astro		 200 yes 599 2
https://astro.build/blog/13/
The Astro Blog | Astro		 200 yes 663 3
https://astro.build/blog/5/
The Astro Blog | Astro		 200 yes 546 3
https://astro.build/blog/12/
The Astro Blog | Astro		 200 yes 573 3
https://astro.build/blog/6/
The Astro Blog | Astro		 200 yes 595 3
https://astro.build/blog/11/
The Astro Blog | Astro		 200 yes 616 3
https://astro.build/blog/7/
The Astro Blog | Astro		 200 yes 621 3
https://astro.build/blog/10/
The Astro Blog | Astro		 200 yes 616 3
https://astro.build/blog/8/
The Astro Blog | Astro		 200 yes 545 3
https://astro.build/blog/9/
The Astro Blog | Astro		 200 yes 626 3
https://astro.build/integrations/2/?search=&categories%5B%5D=adapters
Integrations | Astro		 200 yes 519 2
https://astro.build/blog/astro-1-beta-release/
Astro 1.0 Beta Release | Astro		 200 yes 1412 1
https://astro.build/newsletter/confirm/
Signup | Astro		 200 yes 116 0
https://astro.build/themes/submit/
Redirecting to: https://portal.astro.build/themes/submit		 200 no 5 0
https://astro.build/assets/press/astro-logo-dark.png 200 no 0 1
https://astro.build/assets/wallpapers/desktop/arc.png 200 no 0 1
https://astro.build/rss.xml 200 no 0 16

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