SEO audit for datterberg.com
Datterberg – Une qualité constante garantie dans les investigations et l’analyse des résultats.
Health 65/100 (fair) · 27 pages crawled · generated 2026-08-26
Download Markdown report (feed to ChatGPT / Claude / Cursor)
| Category | Score | Errors | Warnings | Notices |
|---|---|---|---|---|
| Links | 54 | 0 | 41 | 0 |
| Duplicate | 61 | 0 | 35 | 0 |
| Headings | 70 | 0 | 27 | 0 |
| Meta Description | 70 | 0 | 27 | 0 |
| Performance | 70 | 0 | 27 | 95 |
| Titles | 96 | 0 | 4 | 0 |
| Agent Readiness | 97 | 0 | 3 | 28 |
| Canonical | 97 | 0 | 3 | 0 |
| Crawlability | 99 | 0 | 1 | 2 |
| Images | 100 | 0 | 0 | 27 |
| Robots | 100 | 0 | 0 | 1 |
| Security | 100 | 0 | 0 | 27 |
| Social | 100 | 0 | 0 | 54 |
| Structured Data | 100 | 0 | 0 | 27 |
| URL | 100 | 0 | 0 | 2 |
Warnings (12 rules)
warning Control has no accessible name
Rule agent.control_no_name · Agent Readiness · 3 occurrence(s)
- http://datterberg.com/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- http://www.datterberg.com/ — 2 button/link(s) with no text or aria-label — an agent can't target them
- https://datterberg.com/ — 2 button/link(s) with no text or aria-label — an agent can't target them
warning Missing canonical tag
Rule canonical.missing · Canonical · 3 occurrence(s)
warning Duplicate page content
Rule duplicate.content · Duplicate · 10 occurrence(s)
- http://datterberg.com/ — content shared by 3 pages: https://datterberg.com/, http://www.datterberg.com/
- http://www.datterberg.com/ — content shared by 3 pages: https://datterberg.com/, http://datterberg.com/
- https://datterberg.com/ — content shared by 3 pages: http://datterberg.com/, http://www.datterberg.com/
- https://datterberg.com/category/devis/ — content shared by 3 pages: https://datterberg.com/category/frontpage_categories/sliderfront/, https://datterberg.com/category/frontpage_categories/investigation/
- https://datterberg.com/category/frontpage_categories/investigation/ — content shared by 3 pages: https://datterberg.com/category/frontpage_categories/sliderfront/, https://datterberg.com/category/devis/
- https://datterberg.com/category/frontpage_categories/sliderfront/ — content shared by 3 pages: https://datterberg.com/category/devis/, https://datterberg.com/category/frontpage_categories/investigation/
- https://datterberg.com/nos-metiers/ — content shared by 2 pages: https://datterberg.com/nos-missions/
- https://datterberg.com/nos-missions/ — content shared by 2 pages: https://datterberg.com/nos-metiers/
- https://datterberg.com/politique-de-protection-des-donnees-personnelles — content shared by 2 pages: https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/ — content shared by 2 pages: https://datterberg.com/politique-de-protection-des-donnees-personnelles
warning Near-duplicate page content
Rule duplicate.near · Duplicate · 20 occurrence(s)
- http://datterberg.com/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/
- http://www.datterberg.com/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/ — near-duplicate of 15 page(s): https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/, https://datterberg.com/home/techniques-investigation/
- https://datterberg.com/category/devis/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/category/frontpage_categories/investigation/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/category/frontpage_categories/sliderfront/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/contactez-nous/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/ils-nous-font-confiance/, https://datterberg.com/home/techniques-investigation/
- https://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/home/techniques-investigation/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/ils-nous-font-confiance/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/home/techniques-investigation/
- https://datterberg.com/investigations/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/nos-metiers/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/nos-metiers/domaines-dintervention/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/nos-metiers/etude-geotechnique/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/nos-metiers/nos-outils-et-machines/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/nos-missions/ — near-duplicate of 15 page(s): https://datterberg.com/, https://datterberg.com/contactez-nous/, https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/nos-missions/carottage/ — near-duplicate of 3 page(s): https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/, https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/, https://datterberg.com/nos-missions/reconnaissance-des-fondations/
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/ — near-duplicate of 3 page(s): https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/, https://datterberg.com/nos-missions/carottage/, https://datterberg.com/nos-missions/reconnaissance-des-fondations/
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/ — near-duplicate of 3 page(s): https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/, https://datterberg.com/nos-missions/carottage/, https://datterberg.com/nos-missions/reconnaissance-des-fondations/
- https://datterberg.com/nos-missions/reconnaissance-des-fondations/ — near-duplicate of 3 page(s): https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/, https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/, https://datterberg.com/nos-missions/carottage/
warning Duplicate <title> across pages
Rule duplicate.title · Duplicate · 5 occurrence(s)
- http://datterberg.com/ — title shared by 3 pages: https://datterberg.com/, http://www.datterberg.com/
- http://www.datterberg.com/ — title shared by 3 pages: https://datterberg.com/, http://datterberg.com/
- https://datterberg.com/ — title shared by 3 pages: http://datterberg.com/, http://www.datterberg.com/
- https://datterberg.com/politique-de-protection-des-donnees-personnelles — title shared by 2 pages: https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/ — title shared by 2 pages: https://datterberg.com/politique-de-protection-des-donnees-personnelles
warning Missing <h1>
Rule h1.missing · Headings · 27 occurrence(s)
- http://datterberg.com/
- https://datterberg.com/
- https://datterberg.com/category/devis/
- https://datterberg.com/category/frontpage_categories/investigation/
- https://datterberg.com/category/frontpage_categories/sliderfront/
- https://datterberg.com/contactez-nous/
- https://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/
- https://datterberg.com/home/techniques-investigation/
- https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/investigations/
- https://datterberg.com/mentions-legales/
- https://datterberg.com/nos-metiers/
- https://datterberg.com/nos-metiers/deroulement-des-investigations/
- https://datterberg.com/nos-metiers/domaines-dintervention/
- https://datterberg.com/nos-metiers/etude-geotechnique/
- https://datterberg.com/nos-metiers/nos-outils-et-machines/
- https://datterberg.com/nos-missions/
- https://datterberg.com/nos-missions/carottage/
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/
- https://datterberg.com/nos-missions/reconnaissance-des-fondations/
- https://datterberg.com/nous-connaitre/
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/politique-relative-aux-cookies/
- https://datterberg.com/solutios/
warning Orphan page (no internal inlinks)
Rule links.orphan · Links · 10 occurrence(s)
- https://datterberg.com/category/devis/ — no internal links point here
- https://datterberg.com/category/frontpage_categories/investigation/ — no internal links point here
- https://datterberg.com/category/frontpage_categories/sliderfront/ — no internal links point here
- https://datterberg.com/home/techniques-investigation/ — no internal links point here
- https://datterberg.com/ils-nous-font-confiance/ — no internal links point here
- https://datterberg.com/investigations/ — no internal links point here
- https://datterberg.com/nos-metiers/ — no internal links point here
- https://datterberg.com/nos-missions/ — no internal links point here
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/ — no internal links point here
- https://datterberg.com/solutios/ — no internal links point here
warning Internal link points to a redirect
Rule links.redirect_target · Links · 31 occurrence(s)
- https://datterberg.com/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/category/devis/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/category/frontpage_categories/sliderfront/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/contactez-nous/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/home/techniques-investigation/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/ils-nous-font-confiance/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/investigations/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/mentions-legales/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/nos-metiers/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/nos-metiers/deroulement-des-investigations/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/nos-metiers/domaines-dintervention/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/nos-metiers/etude-geotechnique/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/nos-metiers/nos-outils-et-machines/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/nos-missions/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/nos-missions/carottage/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/nos-missions/reconnaissance-des-fondations/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/nous-connaitre/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/ — http://datterberg.com/ → https://datterberg.com/
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/ — http://www.datterberg.com/ → https://datterberg.com/
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/politique-relative-aux-cookies/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/solutios/ — https://datterberg.com/politique-de-protection-des-donnees-personnelles/ → https://datterberg.com/politique-de-protection-des-donnees-personnelles/
warning Missing meta description
Rule meta_desc.missing · Meta Description · 27 occurrence(s)
- http://datterberg.com/
- https://datterberg.com/
- https://datterberg.com/category/devis/
- https://datterberg.com/category/frontpage_categories/investigation/
- https://datterberg.com/category/frontpage_categories/sliderfront/
- https://datterberg.com/contactez-nous/
- https://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/
- https://datterberg.com/home/techniques-investigation/
- https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/investigations/
- https://datterberg.com/mentions-legales/
- https://datterberg.com/nos-metiers/
- https://datterberg.com/nos-metiers/deroulement-des-investigations/
- https://datterberg.com/nos-metiers/domaines-dintervention/
- https://datterberg.com/nos-metiers/etude-geotechnique/
- https://datterberg.com/nos-metiers/nos-outils-et-machines/
- https://datterberg.com/nos-missions/
- https://datterberg.com/nos-missions/carottage/
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/
- https://datterberg.com/nos-missions/reconnaissance-des-fondations/
- https://datterberg.com/nous-connaitre/
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/politique-relative-aux-cookies/
- https://datterberg.com/solutios/
warning Render-blocking script in <head> (no defer/async)
Rule perf.render_blocking · Performance · 27 occurrence(s)
- http://datterberg.com/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/category/devis/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/category/frontpage_categories/investigation/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/category/frontpage_categories/sliderfront/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/contactez-nous/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/home/techniques-investigation/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/ils-nous-font-confiance/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/investigations/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/mentions-legales/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/nos-metiers/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/nos-metiers/deroulement-des-investigations/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/nos-metiers/domaines-dintervention/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/nos-metiers/etude-geotechnique/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/nos-metiers/nos-outils-et-machines/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/nos-missions/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/nos-missions/carottage/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/nos-missions/reconnaissance-des-fondations/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/nous-connaitre/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/politique-relative-aux-cookies/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
- https://datterberg.com/solutios/ — 2 render-blocking <script> in <head> (add defer/async or use type=module)
warning Redirect chain (multiple hops)
Rule redirect.chain · Crawlability · 1 occurrence(s)
- http://www.datterberg.com/ — 2 hops ending at https://datterberg.com/
warning Title likely truncated in SERP (too wide)
Rule title.too_long · Titles · 4 occurrence(s)
- http://datterberg.com/ — 95 chars, ~701px (limit ~580px)
- http://www.datterberg.com/ — 95 chars, ~701px (limit ~580px)
- https://datterberg.com/ — 95 chars, ~701px (limit ~580px)
- https://datterberg.com/home/techniques-investigation/ — 91 chars, ~691px (limit ~580px)
Notices (14 rules)
notice Heading levels skip a level
Rule agent.heading_skip · Agent Readiness · 27 occurrence(s)
- http://datterberg.com/ — h4 follows h2 — skips h3
- https://datterberg.com/ — h4 follows h2 — skips h3
- https://datterberg.com/category/devis/ — h4 follows h2 — skips h3
- https://datterberg.com/category/frontpage_categories/investigation/ — h4 follows h2 — skips h3
- https://datterberg.com/category/frontpage_categories/sliderfront/ — h4 follows h2 — skips h3
- https://datterberg.com/contactez-nous/ — h5 follows h2 — skips h3
- https://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/ — h4 follows h2 — skips h3
- https://datterberg.com/home/techniques-investigation/ — h4 follows h2 — skips h3
- https://datterberg.com/ils-nous-font-confiance/ — h4 follows h2 — skips h3
- https://datterberg.com/investigations/ — h4 follows h2 — skips h3
- https://datterberg.com/mentions-legales/ — h4 follows h2 — skips h3
- https://datterberg.com/nos-metiers/ — h4 follows h2 — skips h3
- https://datterberg.com/nos-metiers/deroulement-des-investigations/ — h4 follows h2 — skips h3
- https://datterberg.com/nos-metiers/domaines-dintervention/ — h4 follows h2 — skips h3
- https://datterberg.com/nos-metiers/etude-geotechnique/ — h4 follows h2 — skips h3
- https://datterberg.com/nos-metiers/nos-outils-et-machines/ — h4 follows h2 — skips h3
- https://datterberg.com/nos-missions/ — h4 follows h2 — skips h3
- https://datterberg.com/nos-missions/carottage/ — h4 follows h2 — skips h3
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/ — h4 follows h2 — skips h3
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/ — h4 follows h2 — skips h3
- https://datterberg.com/nos-missions/reconnaissance-des-fondations/ — h4 follows h2 — skips h3
- https://datterberg.com/nous-connaitre/ — h4 follows h2 — skips h3
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/ — h4 follows h2 — skips h3
- https://datterberg.com/politique-relative-aux-cookies/ — h4 follows h2 — skips h3
- https://datterberg.com/solutios/ — h4 follows h2 — skips h3
notice No llms.txt for AI agents
Rule agent.llms_txt_missing · Agent Readiness · 1 occurrence(s)
- https://datterberg.com/ — no llms.txt found at the site root — add one so AI agents get a curated site summary
notice Likely hero image lacks fetchpriority=high
Rule images.hero_no_fetchpriority · Performance · 14 occurrence(s)
- https://datterberg.com/category/devis/ — the likely hero/LCP image (slide-datterberg-contact.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://datterberg.com/category/frontpage_categories/investigation/ — the likely hero/LCP image (slide-datterberg-contact.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://datterberg.com/category/frontpage_categories/sliderfront/ — the likely hero/LCP image (slide-datterberg-contact.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://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/ — the likely hero/LCP image (slide-datterberg-contact.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://datterberg.com/home/techniques-investigation/ — the likely hero/LCP image (slide-datterberg-contact.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://datterberg.com/ils-nous-font-confiance/ — the likely hero/LCP image (maaf.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://datterberg.com/investigations/ — the likely hero/LCP image (slide-datterberg-contact.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://datterberg.com/mentions-legales/ — the likely hero/LCP image (slide-datterberg-contact.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://datterberg.com/nos-metiers/ — the likely hero/LCP image (slide-datterberg-contact.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://datterberg.com/nos-missions/ — the likely hero/LCP image (slide-datterberg-contact.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://datterberg.com/politique-de-protection-des-donnees-personnelles — the likely hero/LCP image (slide-datterberg-contact.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://datterberg.com/politique-de-protection-des-donnees-personnelles/ — the likely hero/LCP image (slide-datterberg-contact.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://datterberg.com/politique-relative-aux-cookies/ — the likely hero/LCP image (slide-datterberg-contact.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://datterberg.com/solutios/ — the likely hero/LCP image (icon-datter-1.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.
notice Images without width/height (layout shift / CLS)
Rule images.missing_dimensions · Images · 27 occurrence(s)
- http://datterberg.com/ — 22 of 26 images without width/height
- https://datterberg.com/ — 22 of 26 images without width/height
- https://datterberg.com/category/devis/ — 22 of 23 images without width/height
- https://datterberg.com/category/frontpage_categories/investigation/ — 22 of 23 images without width/height
- https://datterberg.com/category/frontpage_categories/sliderfront/ — 22 of 23 images without width/height
- https://datterberg.com/contactez-nous/ — 22 of 24 images without width/height
- https://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/ — 22 of 23 images without width/height
- https://datterberg.com/home/techniques-investigation/ — 22 of 23 images without width/height
- https://datterberg.com/ils-nous-font-confiance/ — 31 of 32 images without width/height
- https://datterberg.com/investigations/ — 22 of 23 images without width/height
- https://datterberg.com/mentions-legales/ — 22 of 23 images without width/height
- https://datterberg.com/nos-metiers/ — 22 of 23 images without width/height
- https://datterberg.com/nos-metiers/deroulement-des-investigations/ — 22 of 25 images without width/height
- https://datterberg.com/nos-metiers/domaines-dintervention/ — 22 of 25 images without width/height
- https://datterberg.com/nos-metiers/etude-geotechnique/ — 22 of 25 images without width/height
- https://datterberg.com/nos-metiers/nos-outils-et-machines/ — 22 of 26 images without width/height
- https://datterberg.com/nos-missions/ — 22 of 23 images without width/height
- https://datterberg.com/nos-missions/carottage/ — 22 of 25 images without width/height
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/ — 22 of 24 images without width/height
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/ — 22 of 24 images without width/height
- https://datterberg.com/nos-missions/reconnaissance-des-fondations/ — 22 of 24 images without width/height
- https://datterberg.com/nous-connaitre/ — 22 of 24 images without width/height
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/ — 22 of 23 images without width/height
- https://datterberg.com/politique-relative-aux-cookies/ — 22 of 23 images without width/height
- https://datterberg.com/solutios/ — 31 of 32 images without width/height
notice Missing Open Graph tags
Rule og.missing · Social · 27 occurrence(s)
- http://datterberg.com/ — og:title, og:description, og:image
- https://datterberg.com/ — og:title, og:description, og:image
- https://datterberg.com/category/devis/ — og:title, og:description, og:image
- https://datterberg.com/category/frontpage_categories/investigation/ — og:title, og:description, og:image
- https://datterberg.com/category/frontpage_categories/sliderfront/ — og:title, og:description, og:image
- https://datterberg.com/contactez-nous/ — og:title, og:description, og:image
- https://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/ — og:title, og:description, og:image
- https://datterberg.com/home/techniques-investigation/ — og:title, og:description, og:image
- https://datterberg.com/ils-nous-font-confiance/ — og:title, og:description, og:image
- https://datterberg.com/investigations/ — og:title, og:description, og:image
- https://datterberg.com/mentions-legales/ — og:title, og:description, og:image
- https://datterberg.com/nos-metiers/ — og:title, og:description, og:image
- https://datterberg.com/nos-metiers/deroulement-des-investigations/ — og:title, og:description, og:image
- https://datterberg.com/nos-metiers/domaines-dintervention/ — og:title, og:description, og:image
- https://datterberg.com/nos-metiers/etude-geotechnique/ — og:title, og:description, og:image
- https://datterberg.com/nos-metiers/nos-outils-et-machines/ — og:title, og:description, og:image
- https://datterberg.com/nos-missions/ — og:title, og:description, og:image
- https://datterberg.com/nos-missions/carottage/ — og:title, og:description, og:image
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/ — og:title, og:description, og:image
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/ — og:title, og:description, og:image
- https://datterberg.com/nos-missions/reconnaissance-des-fondations/ — og:title, og:description, og:image
- https://datterberg.com/nous-connaitre/ — og:title, og:description, og:image
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/ — og:title, og:description, og:image
- https://datterberg.com/politique-relative-aux-cookies/ — og:title, og:description, og:image
- https://datterberg.com/solutios/ — og:title, og:description, og:image
notice Legacy image format (jpg/png/gif) with no next-gen fallback
Rule perf.images_legacy_format · Performance · 27 occurrence(s)
- http://datterberg.com/ — 26 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://datterberg.com/ — 26 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://datterberg.com/category/devis/ — 23 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://datterberg.com/category/frontpage_categories/investigation/ — 23 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://datterberg.com/category/frontpage_categories/sliderfront/ — 23 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://datterberg.com/contactez-nous/ — 24 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://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/ — 23 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://datterberg.com/home/techniques-investigation/ — 23 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://datterberg.com/ils-nous-font-confiance/ — 32 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://datterberg.com/investigations/ — 23 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://datterberg.com/mentions-legales/ — 23 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://datterberg.com/nos-metiers/ — 23 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://datterberg.com/nos-metiers/deroulement-des-investigations/ — 25 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://datterberg.com/nos-metiers/domaines-dintervention/ — 25 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://datterberg.com/nos-metiers/etude-geotechnique/ — 25 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://datterberg.com/nos-metiers/nos-outils-et-machines/ — 26 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://datterberg.com/nos-missions/ — 23 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://datterberg.com/nos-missions/carottage/ — 25 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://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/ — 24 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://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/ — 24 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://datterberg.com/nos-missions/reconnaissance-des-fondations/ — 24 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://datterberg.com/nous-connaitre/ — 24 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://datterberg.com/politique-de-protection-des-donnees-personnelles/ — 23 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://datterberg.com/politique-relative-aux-cookies/ — 23 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://datterberg.com/solutios/ — 32 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 No ETag header (no conditional GET for unchanged pages)
Rule perf.no_etag · Performance · 27 occurrence(s)
- http://datterberg.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://datterberg.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://datterberg.com/category/devis/ — 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://datterberg.com/category/frontpage_categories/investigation/ — 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://datterberg.com/category/frontpage_categories/sliderfront/ — 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://datterberg.com/contactez-nous/ — 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://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/ — 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://datterberg.com/home/techniques-investigation/ — 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://datterberg.com/ils-nous-font-confiance/ — 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://datterberg.com/investigations/ — 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://datterberg.com/mentions-legales/ — 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://datterberg.com/nos-metiers/ — 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://datterberg.com/nos-metiers/deroulement-des-investigations/ — 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://datterberg.com/nos-metiers/domaines-dintervention/ — 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://datterberg.com/nos-metiers/etude-geotechnique/ — 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://datterberg.com/nos-metiers/nos-outils-et-machines/ — 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://datterberg.com/nos-missions/ — 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://datterberg.com/nos-missions/carottage/ — 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://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/ — 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://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/ — 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://datterberg.com/nos-missions/reconnaissance-des-fondations/ — 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://datterberg.com/nous-connaitre/ — 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://datterberg.com/politique-de-protection-des-donnees-personnelles/ — 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://datterberg.com/politique-relative-aux-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://datterberg.com/solutios/ — 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 · 27 occurrence(s)
- http://datterberg.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://datterberg.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://datterberg.com/category/devis/ — 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://datterberg.com/category/frontpage_categories/investigation/ — 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://datterberg.com/category/frontpage_categories/sliderfront/ — 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://datterberg.com/contactez-nous/ — 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://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/ — 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://datterberg.com/home/techniques-investigation/ — 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://datterberg.com/ils-nous-font-confiance/ — 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://datterberg.com/investigations/ — 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://datterberg.com/mentions-legales/ — 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://datterberg.com/nos-metiers/ — 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://datterberg.com/nos-metiers/deroulement-des-investigations/ — 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://datterberg.com/nos-metiers/domaines-dintervention/ — 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://datterberg.com/nos-metiers/etude-geotechnique/ — 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://datterberg.com/nos-metiers/nos-outils-et-machines/ — 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://datterberg.com/nos-missions/ — 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://datterberg.com/nos-missions/carottage/ — 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://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/ — 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://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/ — 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://datterberg.com/nos-missions/reconnaissance-des-fondations/ — 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://datterberg.com/nous-connaitre/ — 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://datterberg.com/politique-de-protection-des-donnees-personnelles/ — 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://datterberg.com/politique-relative-aux-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://datterberg.com/solutios/ — 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 URL redirects to another URL
Rule redirect.single · Crawlability · 2 occurrence(s)
- http://datterberg.com/ — redirects to https://datterberg.com/
- https://datterberg.com/politique-de-protection-des-donnees-personnelles — redirects to https://datterberg.com/politique-de-protection-des-donnees-personnelles/
notice robots.txt missing (root returns 404/none)
Rule robots.txt_missing · Robots · 1 occurrence(s)
- https://datterberg.com/ — robots.txt did not return a 200 at the site root — a healthy site should serve one (declare your sitemap and confirm the host serves root files)
notice No structured data detected
Rule schema.none · Structured Data · 27 occurrence(s)
- http://datterberg.com/
- https://datterberg.com/
- https://datterberg.com/category/devis/
- https://datterberg.com/category/frontpage_categories/investigation/
- https://datterberg.com/category/frontpage_categories/sliderfront/
- https://datterberg.com/contactez-nous/
- https://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/
- https://datterberg.com/home/techniques-investigation/
- https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/investigations/
- https://datterberg.com/mentions-legales/
- https://datterberg.com/nos-metiers/
- https://datterberg.com/nos-metiers/deroulement-des-investigations/
- https://datterberg.com/nos-metiers/domaines-dintervention/
- https://datterberg.com/nos-metiers/etude-geotechnique/
- https://datterberg.com/nos-metiers/nos-outils-et-machines/
- https://datterberg.com/nos-missions/
- https://datterberg.com/nos-missions/carottage/
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/
- https://datterberg.com/nos-missions/reconnaissance-des-fondations/
- https://datterberg.com/nous-connaitre/
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/politique-relative-aux-cookies/
- https://datterberg.com/solutios/
notice Missing recommended security headers
Rule security.missing_headers · Security · 27 occurrence(s)
- http://datterberg.com/ — HSTS, CSP
- https://datterberg.com/ — HSTS, CSP
- https://datterberg.com/category/devis/ — HSTS, CSP
- https://datterberg.com/category/frontpage_categories/investigation/ — CSP, HSTS
- https://datterberg.com/category/frontpage_categories/sliderfront/ — HSTS, CSP
- https://datterberg.com/contactez-nous/ — CSP, HSTS
- https://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/ — HSTS, CSP
- https://datterberg.com/home/techniques-investigation/ — HSTS, CSP
- https://datterberg.com/ils-nous-font-confiance/ — HSTS, CSP
- https://datterberg.com/investigations/ — CSP, HSTS
- https://datterberg.com/mentions-legales/ — HSTS, CSP
- https://datterberg.com/nos-metiers/ — HSTS, CSP
- https://datterberg.com/nos-metiers/deroulement-des-investigations/ — CSP, HSTS
- https://datterberg.com/nos-metiers/domaines-dintervention/ — HSTS, CSP
- https://datterberg.com/nos-metiers/etude-geotechnique/ — HSTS, CSP
- https://datterberg.com/nos-metiers/nos-outils-et-machines/ — HSTS, CSP
- https://datterberg.com/nos-missions/ — HSTS, CSP
- https://datterberg.com/nos-missions/carottage/ — HSTS, CSP
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/ — HSTS, CSP
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/ — HSTS, CSP
- https://datterberg.com/nos-missions/reconnaissance-des-fondations/ — HSTS, CSP
- https://datterberg.com/nous-connaitre/ — HSTS, CSP
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/ — HSTS, CSP
- https://datterberg.com/politique-relative-aux-cookies/ — HSTS, CSP
- https://datterberg.com/solutios/ — HSTS, CSP
notice Missing Twitter Card tag
Rule twitter.missing · Social · 27 occurrence(s)
- http://datterberg.com/
- https://datterberg.com/
- https://datterberg.com/category/devis/
- https://datterberg.com/category/frontpage_categories/investigation/
- https://datterberg.com/category/frontpage_categories/sliderfront/
- https://datterberg.com/contactez-nous/
- https://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/
- https://datterberg.com/home/techniques-investigation/
- https://datterberg.com/ils-nous-font-confiance/
- https://datterberg.com/investigations/
- https://datterberg.com/mentions-legales/
- https://datterberg.com/nos-metiers/
- https://datterberg.com/nos-metiers/deroulement-des-investigations/
- https://datterberg.com/nos-metiers/domaines-dintervention/
- https://datterberg.com/nos-metiers/etude-geotechnique/
- https://datterberg.com/nos-metiers/nos-outils-et-machines/
- https://datterberg.com/nos-missions/
- https://datterberg.com/nos-missions/carottage/
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/
- https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/
- https://datterberg.com/nos-missions/reconnaissance-des-fondations/
- https://datterberg.com/nous-connaitre/
- https://datterberg.com/politique-de-protection-des-donnees-personnelles/
- https://datterberg.com/politique-relative-aux-cookies/
- https://datterberg.com/solutios/
notice Underscores in URL path (prefer hyphens)
Rule url.underscores · URL · 2 occurrence(s)
| URL | Status | Indexable | Words | In-links |
|---|---|---|---|---|
| https://datterberg.com/ Datterberg – Une qualité constante garantie dans les investigations et l’analyse des résultats. |
200 | yes | 722 | 27 |
| https://datterberg.com/contactez-nous/ Contactez-nous – Datterberg |
200 | yes | 698 | 27 |
| https://datterberg.com/demande-de-devis-simple-gratuit-et-sans-engagement/ Demande de devis simple, gratuit et sans engagement – Datterberg |
200 | yes | 678 | 27 |
| https://datterberg.com/mentions-legales/ Mentions légales – Datterberg |
200 | yes | 1028 | 27 |
| https://datterberg.com/nos-metiers/deroulement-des-investigations/ Déroulement des investigations – Datterberg |
200 | yes | 830 | 27 |
| https://datterberg.com/nos-metiers/domaines-dintervention/ Domaines d’intervention – Datterberg |
200 | yes | 732 | 27 |
| https://datterberg.com/nos-metiers/etude-geotechnique/ Etude géotechnique – Datterberg |
200 | yes | 804 | 27 |
| https://datterberg.com/nos-metiers/nos-outils-et-machines/ Nos outils et machines – Datterberg |
200 | yes | 746 | 27 |
| https://datterberg.com/nos-missions/carottage/ Carottage – Datterberg |
200 | yes | 789 | 27 |
| https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt1/ Mission d’investigations géotechniques MT1 – Datterberg |
200 | yes | 691 | 27 |
| https://datterberg.com/nos-missions/mission-dinvestigations-geotechniques-mt2/ Mission d’investigations géotechniques MT2 – Datterberg |
200 | yes | 704 | 27 |
| https://datterberg.com/nos-missions/reconnaissance-des-fondations/ Reconnaissance des fondations – Datterberg |
200 | yes | 760 | 27 |
| https://datterberg.com/nous-connaitre/ Nous connaitre – Datterberg |
200 | yes | 704 | 27 |
| https://datterberg.com/politique-de-protection-des-donnees-personnelles Politique de protection des données personnelles – Datterberg |
200 | yes | 5625 | 27 |
| https://datterberg.com/politique-relative-aux-cookies/ Politique relative aux cookies – Datterberg |
200 | yes | 2513 | 27 |
| http://datterberg.com/ Datterberg – Une qualité constante garantie dans les investigations et l’analyse des résultats. |
200 | yes | 722 | 2 |
| http://www.datterberg.com/ Datterberg – Une qualité constante garantie dans les investigations et l’analyse des résultats. |
200 | yes | 722 | 2 |
| https://datterberg.com/category/devis/ devis – Datterberg |
200 | yes | 619 | 0 |
| https://datterberg.com/category/frontpage_categories/investigation/ investigation – Datterberg |
200 | yes | 619 | 0 |
| https://datterberg.com/category/frontpage_categories/sliderfront/ sliderfront – Datterberg |
200 | yes | 619 | 0 |
| https://datterberg.com/home/techniques-investigation/ Nous utilisons des techniques d’investigation destructives ou non-destructives – Datterberg |
200 | yes | 661 | 0 |
| https://datterberg.com/ils-nous-font-confiance/ NOS RÉFÉRENCES – Datterberg |
200 | yes | 604 | 0 |
| https://datterberg.com/investigations/ Investigations – Datterberg |
200 | yes | 644 | 0 |
| https://datterberg.com/nos-metiers/ Nos metiers – Datterberg |
200 | yes | 602 | 0 |
| https://datterberg.com/nos-missions/ Nos missions – Datterberg |
200 | yes | 602 | 0 |
| https://datterberg.com/politique-de-protection-des-donnees-personnelles/ Politique de protection des données personnelles – Datterberg |
200 | yes | 5625 | 0 |
| https://datterberg.com/solutios/ Solutions – Datterberg |
200 | yes | 665 | 0 |
Audit your own site — free
157 checks, internal PageRank, render-diff. No signup, results in ~30s.