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01 · Score SEO

posthog.com

https://posthog.com/
Analysé · 3 juin 2026
73
/ 100sur 100
02 · Scores par catégorie
On-page
73
Technique
82
Performance
73
Contenu
75
Sécurité
70
Social
65
AEO / IA
49
03 · Problèmes prioritaires

Affichage des 10 principaux problèmes. Audit complet avec corrections au niveau du code disponible sur le forfait gratuit.

  • 01
    FAIL · onpage
    HTML <head> completeness
    1 essential head element(s) missing: Title tag. 3 recommended head element(s) missing: html lang attribute, Open Graph type, Robots meta.
  • 02
    FAIL · performance
    Image Lazy Loading
    Only 8 out of 18 images (44%) use lazy loading — this is very low. The browser is forced to load most images immediately, even if they are far outside the visible area.
  • 03
    FAIL · onpage
    Image Alt Attributes
    16 out of 18 images are missing the alt attribute (only 11% have alt). A significant portion of images is inaccessible to search engines and users with disabilities.
  • 04
    WARN · technical
    Robots.txt
    The robots.txt file exists but does not contain a User-agent: * block. While specific bots may be configured, most search engine crawlers look for wildcard rules.
  • 05
    FAIL · performance
    Page Size
    The total HTML page size is 1.01 MB, which significantly exceeds the recommended limit of 100 KB. Heavy pages load slowly, especially on mobile devices and slow internet connections. This negatively impacts Core Web Vitals and search rankings.
  • 06
    FAIL · performance
    HTTP Requests Count
    The page loads 48 external resources — this is too many (0 CSS, 18 JS, 18 images). A high number of HTTP requests critically slows down page loading, as browsers are limited to 6 simultaneous connections per domain. This negatively affects all performance metrics.
  • 07
    FAIL · security
    Security Headers
    Only 1 out of 6 modern security headers found. Missing: x-frame-options, x-content-type-options, content-security-policy, referrer-policy, permissions-policy. The site is exposed to XSS (no CSP), clickjacking (no X-Frame-Options / CSP frame-ancestors), MIME-sniffing (no X-Content-Type-Options), and HTTPS-stripping MITM (no HSTS). Mozilla Observatory grades sites with <4 headers as D or F.
  • 08
    FAIL · content
    Keyword Stuffing
    Keyword stuffing detected. The following words appear excessively often: "posthog" — 14 times (3.5%). The acceptable keyword density is 1-2%. Exceeding the 3% threshold may result in search engine penalties.
  • 09
    FAIL · ai-readiness
    Structured Data Completeness
    No structured data (JSON-LD / Schema.org) found. AI search engines rely heavily on structured data to understand and cite content. Without it, your pages are much less likely to appear in AI-generated answers.
  • 10
    FAIL · onpage
    Accessibility quick-check
    4/6 accessibility checks failed: Heading hierarchy, Button names, html lang attribute, Skip-to-content link.
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