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GeneralMixed

SEO Report: vangoghmuseum.nl

Generated 28 prill 2026 · 25 findings · 3.6s

87
report.overallScore
83
seo
92
security
0
performance
77
accessibility
96
Best Practices

Institutional websites prioritize accessibility, security, and proper indexing — citizens and stakeholders need easy access to relevant information.

Score Breakdown

Average General score: 50

seo
83(+38 vs avg)
security
92(+34 vs avg)
performance
0(-44 vs avg)
accessibility
77(+25 vs avg)
Best Practices
96(+40 vs avg)

Score Projection

Estimated improvement based on the findings in this report

Current score: 87Projected score: 90
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Module Breakdown

structured data
301 finding
rate limits
753 findings
brand checker
753 findings
accessibility
772 findings
meta
843 findings
robots
851 finding
indexing checker
851 finding
log analyzer
851 finding
headers
903 findings
news mentions
90
page experience
902 findings
content
942 findings
dns
951 finding
social checker
951 finding
cookies
100
ssl
100
sitemap
100
technology
100
mobile
1001 finding
layout scan
100
uptime checker
100
crawl budget
100

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.

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