Informe de SEO: vectorcenter.nl

AI Fix Prompt

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Fix all SEO issues found in the audit of vectorcenter.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": "vectorcenter.nl",
  "scores": {
    "overall": 74,
    "performance": 0,
    "seo": 79,
    "accessibility": 54,
    "bestPractices": 76,
    "security": 78
  },
  "findings": [
    {
      "module": "dns",
      "severity": "medium",
      "title": "Missing SPF record",
      "description": "No SPF TXT record found. Email spoofing is possible.",
      "recommendation": "Add a TXT record with v=spf1 policy"
    },
    {
      "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": "headers",
      "severity": "high",
      "title": "Missing strict-transport-security",
      "description": "HSTS header is missing. The site may be vulnerable to downgrade attacks.",
      "recommendation": "Add Strict-Transport-Security header with max-age of at least 31536000"
    },
    {
      "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": "ssl",
      "severity": "medium",
      "title": "HTTP does not redirect to HTTPS",
      "description": "Port 80 does not redirect to HTTPS",
      "recommendation": "Set up a 301 redirect from HTTP to HTTPS"
    },
    {
      "module": "meta",
      "severity": "medium",
      "title": "Missing og:title",
      "description": "Open Graph title is not set",
      "recommendation": "Add og:title meta tag for social sharing"
    },
    {
      "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": "technology",
      "severity": "medium",
      "title": "Render-blocking scripts",
      "description": "6 scripts load synchronously without async/defer",
      "recommendation": "Add async or defer to non-critical scripts to improve page load speed"
    },
    {
      "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": "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": "Missing main landmark",
      "description": "No <main> element or role=\"main\" found",
      "recommendation": "Wrap primary content in a <main> element for screen reader navigation"
    },
    {
      "module": "accessibility",
      "severity": "medium",
      "title": "Generic link text",
      "description": "13 links use generic text like \"click here\" or \"read more\"",
      "recommendation": "Use descriptive link text that makes sense out of context"
    },
    {
      "module": "accessibility",
      "severity": "high",
      "title": "1 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": "social-checker",
      "severity": "high",
      "title": "Missing og:title",
      "description": "Open Graph title is not set — social shares will use generic text",
      "recommendation": "Add og:title meta tag for compelling social media previews"
    },
    {
      "module": "social-checker",
      "severity": "medium",
      "title": "Missing og:description",
      "description": "Open Graph description is not set",
      "recommendation": "Add og:description for better social sharing previews"
    },
    {
      "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": "social-checker",
      "severity": "medium",
      "title": "Missing Twitter Card",
      "description": "No twitter:card meta tag — Twitter/X will use default preview",
      "recommendation": "Add twitter:card meta tag (e.g., \"summary_large_image\")"
    },
    {
      "module": "uptime-checker",
      "severity": "high",
      "title": "No HTTPS redirect",
      "description": "HTTP requests are not redirected to HTTPS",
      "recommendation": "Configure a 301 redirect from HTTP to HTTPS for all pages"
    },
    {
      "module": "uptime-checker",
      "severity": "medium",
      "title": "Inconsistent www handling",
      "description": "Both www and non-www versions respond with 200 — one should redirect to the other",
      "recommendation": "Choose either www or non-www as canonical and redirect the other with a 301"
    },
    {
      "module": "uptime-checker",
      "severity": "medium",
      "title": "Soft 404 detected",
      "description": "Non-existent URLs return HTTP 200 instead of 404",
      "recommendation": "Return proper 404 status codes for non-existent pages to avoid indexing junk URLs"
    },
    {
      "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": "crawl-budget",
      "severity": "high",
      "title": "Entire site blocked in robots.txt",
      "description": "Disallow: / blocks all crawling",
      "recommendation": "Remove the Disallow: / directive to allow search engines to crawl the site"
    }
  ]
}
```