Rapport SEO : museum.nl
Généré le 30 avril 2026 · 27 constatations · 4.0s
Les sites institutionnels privilégient l'accessibilité, la sécurité et une indexation rigoureuse pour permettre aux citoyens et usagers d'accéder facilement à l'information.
Détail des scores
Score moyen Général : 50
Projection du score
Amélioration estimée sur la base des constatations identifiées dans ce rapport
Prêt à améliorer votre SEO ?
Commencez un essai gratuit et découvrez comment améliorer votre score.
Détail par module
Toutes les constatations (24)
Critique (3)
- highcontent
No H1 tag found
The page has no H1 heading
Add exactly one H1 tag with the primary keyword
- highaccessibility
11 buttons without accessible name
Buttons with no text, aria-label, or title are invisible to screen readers
Add visible text or aria-label to all buttons
- highpage experience
Intrusive interstitials detected
Found 3 potential popup/overlay elements
Reduce intrusive interstitials — they hurt mobile experience and can trigger Google penalties
Moyen (10)
- mediumdns
Missing DMARC record
No DMARC policy found at _dmarc subdomain.
Add a DMARC TXT record to prevent email spoofing
- mediumdns
No DKIM record found
None of the common DKIM selectors returned a valid key. Email authentication may be incomplete.
Configure DKIM signing with your email provider and publish the public key in DNS
- mediummeta
Meta description too short
Description is 51 characters (recommended: 120-160)
Write a more detailed meta description
- mediummeta
Missing canonical URL
No canonical link tag found
Add a canonical URL to prevent duplicate content issues
- mediumcontent
Low keyword relevance
Only 25% of title keywords appear in body text
Ensure the page content includes the keywords from the title
- mediumaccessibility
No skip navigation link
No skip-to-content link at the top of the page
Add a visually hidden skip link as the first focusable element
- mediumrate limits
No rate limiting detected
10 rapid requests all succeeded without any rate-limit headers or 429 responses. The site may be vulnerable to abuse.
Implement rate limiting (e.g., 429 Too Many Requests) to protect against brute-force attacks
- mediumbrand checker
No Organization schema
No Organization JSON-LD found
Add Organization structured data with name, logo, and contact information
- mediumindexing checker
Missing canonical URL
No canonical link tag found — search engines may index duplicate versions
Add a self-referencing canonical URL to prevent duplicate content issues
- mediumlog analyzer
X-Powered-By header exposed
X-Powered-By: ASP.NET
Remove the X-Powered-By header to reduce information leakage
Faible (11)
- lowdns
No IPv6 (AAAA) records
The domain has no AAAA records for IPv6 connectivity
Add AAAA DNS records for IPv6 support
- lowheaders
Missing permissions-policy
Permissions-Policy is missing.
Add Permissions-Policy to restrict browser feature access
- lowheaders
X-Powered-By exposes technology
X-Powered-By: ASP.NET
Remove the X-Powered-By header
- lowmeta
Missing og:type
Open Graph type is not set
Add og:type meta tag (e.g., "website", "article")
- lowstructured data
Missing Organization schema
No Organization or LocalBusiness structured data found
Add Organization schema with name, logo, and contact info
- lowcontent
Low text-to-HTML ratio
Text/HTML ratio is 4% (recommended: >5%)
Consider adding more descriptive text content
- lowcontent
Lazy images without dimensions
14 lazy-loaded images lack width/height — causes layout shift
Add width and height attributes to lazy-loaded images
- lowrate limits
No WAF detected
No Web Application Firewall (Cloudflare, AWS, Akamai, Vercel, Sucuri, Fastly) was detected in response headers.
Consider using a WAF to protect against common web attacks (XSS, SQL injection, DDoS)
- lowrate limits
No bot protection detected
No CAPTCHA, challenge page, or bot detection was triggered during rapid requests.
Consider implementing bot protection (e.g., Cloudflare Turnstile, hCaptcha) for sensitive endpoints
- lownews mentions
No press page on site
Found 7 external mentions but no dedicated press page
Create a /press or /news section to aggregate and amplify media coverage
- lowsocial checker
Missing og:type
Open Graph type is not set
Add og:type meta tag (e.g., "website", "article")
AI Fix Prompt
Copiez ce prompt dans ChatGPT ou Claude pour obtenir des instructions de correction détaillées étape par étape
Fix all SEO issues found in the audit of museum.nl.
Prioritize high-severity issues first, then medium. For each fix, make the actual code change — don't just describe what to do.
```json
{
"domain": "museum.nl",
"scores": {
"overall": 86,
"performance": 0,
"seo": 88,
"accessibility": 77,
"bestPractices": 94,
"security": 86
},
"findings": [
{
"module": "dns",
"severity": "medium",
"title": "Missing DMARC record",
"description": "No DMARC policy found at _dmarc subdomain.",
"recommendation": "Add a DMARC TXT record to prevent email spoofing"
},
{
"module": "dns",
"severity": "medium",
"title": "No DKIM record found",
"description": "None of the common DKIM selectors returned a valid key. Email authentication may be incomplete.",
"recommendation": "Configure DKIM signing with your email provider and publish the public key in DNS"
},
{
"module": "meta",
"severity": "medium",
"title": "Meta description too short",
"description": "Description is 51 characters (recommended: 120-160)",
"recommendation": "Write a more detailed meta description"
},
{
"module": "meta",
"severity": "medium",
"title": "Missing canonical URL",
"description": "No canonical link tag found",
"recommendation": "Add a canonical URL to prevent duplicate content issues"
},
{
"module": "content",
"severity": "high",
"title": "No H1 tag found",
"description": "The page has no H1 heading",
"recommendation": "Add exactly one H1 tag with the primary keyword"
},
{
"module": "content",
"severity": "medium",
"title": "Low keyword relevance",
"description": "Only 25% of title keywords appear in body text",
"recommendation": "Ensure the page content includes the keywords from the title"
},
{
"module": "accessibility",
"severity": "medium",
"title": "No skip navigation link",
"description": "No skip-to-content link at the top of the page",
"recommendation": "Add a visually hidden skip link as the first focusable element"
},
{
"module": "accessibility",
"severity": "high",
"title": "11 buttons without accessible name",
"description": "Buttons with no text, aria-label, or title are invisible to screen readers",
"recommendation": "Add visible text or aria-label to all buttons"
},
{
"module": "rate-limits",
"severity": "medium",
"title": "No rate limiting detected",
"description": "10 rapid requests all succeeded without any rate-limit headers or 429 responses. The site may be vulnerable to abuse.",
"recommendation": "Implement rate limiting (e.g., 429 Too Many Requests) to protect against brute-force attacks"
},
{
"module": "brand-checker",
"severity": "medium",
"title": "No Organization schema",
"description": "No Organization JSON-LD found",
"recommendation": "Add Organization structured data with name, logo, and contact information"
},
{
"module": "page-experience",
"severity": "high",
"title": "Intrusive interstitials detected",
"description": "Found 3 potential popup/overlay elements",
"recommendation": "Reduce intrusive interstitials — they hurt mobile experience and can trigger Google penalties"
},
{
"module": "indexing-checker",
"severity": "medium",
"title": "Missing canonical URL",
"description": "No canonical link tag found — search engines may index duplicate versions",
"recommendation": "Add a self-referencing canonical URL to prevent duplicate content issues"
},
{
"module": "log-analyzer",
"severity": "medium",
"title": "X-Powered-By header exposed",
"description": "X-Powered-By: ASP.NET",
"recommendation": "Remove the X-Powered-By header to reduce information leakage"
}
]
}
```Recommandations pour votre secteur
- 1Assurer la conformité aux normes d'accessibilité WCAG 2.1 AA
- 2Mettre en place tous les en-têtes de sécurité recommandés
- 3Vérifier que le sitemap couvre toutes les pages clés
- 4Optimiser le temps de chargement des pages à moins de 2 secondes
- 5Garantir un affichage parfaitement responsive sur toutes les pages
Liste de contrôle SEO pour Général
Conseils pour les sites de type Mixte
- →Créez des pages de destination ciblées pour chaque audience
- →Appliquez des métadonnées distinctes par groupe de pages
- →Segmentez votre sitemap par typologie de contenu
Contexte SEO local
Les Pays-Bas constituent l'un des marchés les plus matures d'Europe, avec un usage mobile très fort.
Utilisez Ctrl+P / Cmd+P pour enregistrer au format PDF