SEO Report: ziggo.nl
Generated 28 April 2026 · 25 findings · 8.6s
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
Ready to improve your SEO?
Start a free trial and see how your score can improve.
Module Breakdown
All Findings (21)
Critical (3)
- highsitemap
Invalid sitemap format
Sitemap does not appear to be valid XML
Ensure sitemap.xml is properly formatted XML
- highsitemap
Empty sitemap
Sitemap contains no URLs
Add URLs to the sitemap
- highpage experience
Intrusive interstitials detected
Found 3 potential popup/overlay elements
Reduce intrusive interstitials — they hurt mobile experience and can trigger Google penalties
Medium (8)
- mediumheaders
CORS allows all origins
Access-Control-Allow-Origin: * allows any website to make requests
Restrict CORS to specific trusted origins if the page handles sensitive data
- mediumstructured data
Missing @type in schema
A structured data object has no @type
Add a @type property (e.g. Organization, WebSite)
- mediumrobots
Important resources blocked
robots.txt blocks /assets/ — search engines can't render the page properly
Allow crawlers to access CSS, JS, and image resources
- mediumtechnology
Render-blocking scripts
7 scripts load synchronously without async/defer
Add async or defer to non-critical scripts to improve page load speed
- mediumtechnology
Mixed content detected
2 resources loaded over HTTP on an HTTPS page
Update all resource URLs to use HTTPS
- mediumcontent
Very low text-to-HTML ratio
Text/HTML ratio is 2% (recommended: >5%)
Increase meaningful text content relative to HTML markup
- mediumuptime checker
Slow response time
Average response time is 2012ms (should be < 2000ms)
Optimize server response time — consider CDN, caching, or server upgrades
- mediumcrawl budget
Potential crawl traps
Found 2 URLs with faceted/pagination patterns
Consider blocking these URL patterns via robots.txt to preserve crawl budget
Low (10)
- lowdns
No IPv6 (AAAA) records
The domain has no AAAA records for IPv6 connectivity
Add AAAA DNS records for IPv6 support
- lowheaders
Missing referrer-policy
Referrer-Policy is not set. Full URLs may leak to third parties.
Add Referrer-Policy: strict-origin-when-cross-origin
- lowstructured data
Missing Organization schema
No Organization or LocalBusiness structured data found
Add Organization schema with name, logo, and contact info
- lowstructured data
Missing WebSite schema
No WebSite structured data found
Add WebSite schema with SearchAction for sitelinks search box
- lowmobile
Unresponsive images
18 images lack srcset or responsive sizing
Use srcset and sizes attributes for responsive images
- lowrate limits
No rate limiting detected
No explicit rate-limit headers or 429 responses detected. AWS CloudFront WAF provides platform-level protection.
Implement rate limiting (e.g., 429 Too Many Requests) to protect against brute-force attacks
- lownews mentions
No press page on site
Found 4 external mentions but no dedicated press page
Create a /press or /news section to aggregate and amplify media coverage
- lowbrand checker
No web app manifest
No manifest.json linked — PWA features unavailable
Add a web app manifest for installability and brand customization
- lowbrand checker
Missing og:site_name
Open Graph site name is not set
Add og:site_name meta tag for consistent social sharing
- lowpage experience
No lazy loading on images
22 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 ziggo.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": "ziggo.nl",
"scores": {
"overall": 91,
"performance": 0,
"seo": 85,
"accessibility": 100,
"bestPractices": 89,
"security": 94
},
"findings": [
{
"module": "headers",
"severity": "medium",
"title": "CORS allows all origins",
"description": "Access-Control-Allow-Origin: * allows any website to make requests",
"recommendation": "Restrict CORS to specific trusted origins if the page handles sensitive data"
},
{
"module": "structured-data",
"severity": "medium",
"title": "Missing @type in schema",
"description": "A structured data object has no @type",
"recommendation": "Add a @type property (e.g. Organization, WebSite)"
},
{
"module": "robots",
"severity": "medium",
"title": "Important resources blocked",
"description": "robots.txt blocks /assets/ — search engines can't render the page properly",
"recommendation": "Allow crawlers to access CSS, JS, and image resources"
},
{
"module": "sitemap",
"severity": "high",
"title": "Invalid sitemap format",
"description": "Sitemap does not appear to be valid XML",
"recommendation": "Ensure sitemap.xml is properly formatted XML"
},
{
"module": "sitemap",
"severity": "high",
"title": "Empty sitemap",
"description": "Sitemap contains no URLs",
"recommendation": "Add URLs to the sitemap"
},
{
"module": "technology",
"severity": "medium",
"title": "Render-blocking scripts",
"description": "7 scripts load synchronously without async/defer",
"recommendation": "Add async or defer to non-critical scripts to improve page load speed"
},
{
"module": "technology",
"severity": "medium",
"title": "Mixed content detected",
"description": "2 resources loaded over HTTP on an HTTPS page",
"recommendation": "Update all resource URLs to use HTTPS"
},
{
"module": "content",
"severity": "medium",
"title": "Very low text-to-HTML ratio",
"description": "Text/HTML ratio is 2% (recommended: >5%)",
"recommendation": "Increase meaningful text content relative to HTML markup"
},
{
"module": "uptime-checker",
"severity": "medium",
"title": "Slow response time",
"description": "Average response time is 2012ms (should be < 2000ms)",
"recommendation": "Optimize server response time — consider CDN, caching, or server upgrades"
},
{
"module": "crawl-budget",
"severity": "medium",
"title": "Potential crawl traps",
"description": "Found 2 URLs with faceted/pagination patterns",
"recommendation": "Consider blocking these URL patterns via robots.txt to preserve crawl budget"
},
{
"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"
}
]
}
```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.