SEO Report: spreadshirt.nl
Generated May 1, 2026 · 36 findings · 5.0s
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 (34)
Critical (2)
- highaccessibility
1 form fields without labels
Form inputs without associated labels are inaccessible
Use <label for="id"> or aria-label on every form field
- 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 (15)
- mediumcookies
2 cookies missing Secure flag
Cookies without Secure flag can be sent over unencrypted HTTP connections
Add the Secure attribute to all cookies to prevent transmission over HTTP
- mediumdns
Missing DMARC record
No DMARC policy found at _dmarc subdomain.
Add a DMARC TXT record to prevent email spoofing
- mediumheaders
Missing content-security-policy
CSP header is missing. The site may be vulnerable to XSS attacks.
Add a Content-Security-Policy header to restrict resource loading
- mediumheaders
Missing x-content-type-options
X-Content-Type-Options is missing. MIME-sniffing attacks are possible.
Add X-Content-Type-Options: nosniff header
- mediumheaders
Missing x-frame-options
X-Frame-Options is missing. The site may be vulnerable to clickjacking.
Add X-Frame-Options: DENY or SAMEORIGIN header
- mediummeta
Missing og:image
No Open Graph image set. Social shares will lack a preview image.
Add og:image meta tag (1200x630px recommended)
- mediumstructured data
No structured data found
No JSON-LD schemas detected on the page
Add structured data (Organization, WebSite, BreadcrumbList) for rich search results
- mediumcontent
Multiple H1 tags
Found 2 H1 tags (recommended: exactly 1)
Use only one H1 per page; use H2-H6 for subsections
- mediumcontent
Very low text-to-HTML ratio
Text/HTML ratio is 1% (recommended: >5%)
Increase meaningful text content relative to HTML markup
- 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
- mediumaccessibility
Auto-playing media detected
1 video/audio elements auto-play
Avoid auto-playing media or ensure it has controls and is muted by default
- 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
- mediumsocial checker
Missing og:image
No social sharing image set — posts will lack visual appeal
Add og:image meta tag (1200x630px recommended)
- mediumbrand checker
No Organization schema
No Organization JSON-LD found
Add Organization structured data with name, logo, and contact information
- mediumlog analyzer
X-Powered-By header exposed
X-Powered-By: Next.js
Remove the X-Powered-By header to reduce information leakage
Low (17)
- lowcookies
3 cookies missing HttpOnly flag
Cookies without HttpOnly can be accessed by JavaScript, increasing XSS risk
Add HttpOnly to session and authentication cookies
- lowcookies
1 cookie missing SameSite attribute
Missing SameSite defaults to Lax in modern browsers but should be explicit
Set SameSite=Strict or SameSite=Lax on all cookies
- lowcookies
1 cookie with expiry > 1 year
Long cookie lifetimes may violate privacy regulations
Reduce cookie lifetimes to the minimum necessary period
- lowdns
Only one MX record (no redundancy)
A single MX record means no failover if the mail server goes down.
Add a secondary MX record for email redundancy
- lowheaders
Missing referrer-policy
Referrer-Policy is not set. Full URLs may leak to third parties.
Add Referrer-Policy: strict-origin-when-cross-origin
- 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: Next.js
Remove the X-Powered-By header
- lowsitemap
No lastmod dates
Sitemap URLs don't include lastmod timestamps
Add <lastmod> to help search engines prioritize crawling
- lowtechnology
Many inline scripts
74 inline <script> blocks found
Move inline scripts to external files for caching and CSP compliance
- lowtechnology
Many third-party domains
18 external domains — may impact performance and privacy
Reduce third-party dependencies or self-host critical resources
- lowcontent
Lazy images without dimensions
49 lazy-loaded images lack width/height — causes layout shift
Add width and height attributes to lazy-loaded images
- lowmobile
Missing autocomplete attributes
1 form fields lack autocomplete hints
Add autocomplete attributes (email, tel, name) for faster mobile form filling
- 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
- 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
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 spreadshirt.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": "spreadshirt.nl",
"scores": {
"overall": 76,
"performance": 0,
"seo": 84,
"accessibility": 54,
"bestPractices": 93,
"security": 74
},
"findings": [
{
"module": "cookies",
"severity": "medium",
"title": "2 cookies missing Secure flag",
"description": "Cookies without Secure flag can be sent over unencrypted HTTP connections",
"recommendation": "Add the Secure attribute to all cookies to prevent transmission over HTTP"
},
{
"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": "headers",
"severity": "medium",
"title": "Missing content-security-policy",
"description": "CSP header is missing. The site may be vulnerable to XSS attacks.",
"recommendation": "Add a Content-Security-Policy header to restrict resource loading"
},
{
"module": "headers",
"severity": "medium",
"title": "Missing x-content-type-options",
"description": "X-Content-Type-Options is missing. MIME-sniffing attacks are possible.",
"recommendation": "Add X-Content-Type-Options: nosniff header"
},
{
"module": "headers",
"severity": "medium",
"title": "Missing x-frame-options",
"description": "X-Frame-Options is missing. The site may be vulnerable to clickjacking.",
"recommendation": "Add X-Frame-Options: DENY or SAMEORIGIN header"
},
{
"module": "meta",
"severity": "medium",
"title": "Missing og:image",
"description": "No Open Graph image set. Social shares will lack a preview image.",
"recommendation": "Add og:image meta tag (1200x630px recommended)"
},
{
"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": "content",
"severity": "medium",
"title": "Multiple H1 tags",
"description": "Found 2 H1 tags (recommended: exactly 1)",
"recommendation": "Use only one H1 per page; use H2-H6 for subsections"
},
{
"module": "content",
"severity": "medium",
"title": "Very low text-to-HTML ratio",
"description": "Text/HTML ratio is 1% (recommended: >5%)",
"recommendation": "Increase meaningful text content relative to HTML markup"
},
{
"module": "accessibility",
"severity": "high",
"title": "1 form fields without labels",
"description": "Form inputs without associated labels are inaccessible",
"recommendation": "Use <label for=\"id\"> or aria-label on every form field"
},
{
"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": "accessibility",
"severity": "medium",
"title": "Auto-playing media detected",
"description": "1 video/audio elements auto-play",
"recommendation": "Avoid auto-playing media or ensure it has controls and is muted by default"
},
{
"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": "social-checker",
"severity": "medium",
"title": "Missing og:image",
"description": "No social sharing image set — posts will lack visual appeal",
"recommendation": "Add og:image meta tag (1200x630px recommended)"
},
{
"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": "log-analyzer",
"severity": "medium",
"title": "X-Powered-By header exposed",
"description": "X-Powered-By: Next.js",
"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.