SEO Report: vangoghmuseum.nl
Generated ၂၀၂၆ ဧပြီ ၂၈ · 25 findings · 3.6s
Institutional websites prioritize accessibility, security, and proper indexing — citizens and stakeholders need easy access to relevant information.
Score Breakdown
Average General score: 50
Score Projection
Estimated improvement based on the findings in this report
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Module Breakdown
All Findings (23)
Critical (1)
- highaccessibility
4 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
Medium (8)
- mediummeta
Missing canonical URL
No canonical link tag found
Add a canonical URL to prevent duplicate content issues
- mediumstructured data
No structured data found
No JSON-LD schemas detected on the page
Add structured data (Organization, WebSite, BreadcrumbList) for rich search results
- mediumrobots
No sitemap in robots.txt
robots.txt does not reference a sitemap
Add Sitemap: https://yourdomain.com/sitemap.xml to robots.txt
- 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
Low (14)
- 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
Meta description too long
Description is 298 characters (recommended: 120-160)
Shorten the meta description to 120-160 characters
- lowmeta
Missing og:url
Open Graph URL is not set
Add og:url meta tag matching the canonical URL
- lowcontent
Heading level skipped
H3 follows H1 (skipped H2)
Maintain sequential heading hierarchy without skipping levels
- lowcontent
Low text-to-HTML ratio
Text/HTML ratio is 3% (recommended: >5%)
Consider adding more descriptive text content
- 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
- lowsocial checker
No social profile links
No links to social media profiles found on the homepage
Add links to your social media profiles for better brand visibility and authority signals
- lowbrand checker
No WebSite schema
No WebSite JSON-LD found
Add WebSite structured data for sitelinks search box in Google
- lowbrand checker
No web app manifest
No manifest.json linked — PWA features unavailable
Add a web app manifest for installability and brand customization
- lowpage experience
Popup elements detected
Found 2 popup/overlay element(s) — likely consent banners
Ensure popups don't cover main content excessively, especially on mobile
- lowpage experience
No lazy loading on images
9 images without lazy loading
Add loading="lazy" to below-the-fold images for faster initial page load
AI Fix Prompt
Copy this prompt into ChatGPT or Claude to get step-by-step fix instructions
Fix all SEO issues found in the audit of vangoghmuseum.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": "vangoghmuseum.nl",
"scores": {
"overall": 87,
"performance": 0,
"seo": 83,
"accessibility": 77,
"bestPractices": 96,
"security": 92
},
"findings": [
{
"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": "structured-data",
"severity": "medium",
"title": "No structured data found",
"description": "No JSON-LD schemas detected on the page",
"recommendation": "Add structured data (Organization, WebSite, BreadcrumbList) for rich search results"
},
{
"module": "robots",
"severity": "medium",
"title": "No sitemap in robots.txt",
"description": "robots.txt does not reference a sitemap",
"recommendation": "Add Sitemap: https://yourdomain.com/sitemap.xml to robots.txt"
},
{
"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": "4 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": "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"
}
]
}
```Recommendations for your industry
- 1Ensure WCAG 2.1 AA compliance
- 2Implement all recommended security headers
- 3Ensure sitemap covers all important pages
- 4Optimize page load time to under 2 seconds
- 5Ensure responsive design on all pages
SEO Checklist for General
Tips for Mixed websites
- →Define clear landing pages for each segment
- →Use different meta strategies per page group
- →Segment sitemap by content type
Local SEO Context
The Netherlands is one of Europe's most digitally mature markets with high mobile share.