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GeneralMixed

SEO Report: centrum24.pl

Generated April 28, 2026 · 47 findings · 15.0s

62
report.overallScore
68
seo
34
security
0
performance
92
accessibility
85
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
68(+23 vs avg)
security
34(-24 vs avg)
performance
0(-44 vs avg)
accessibility
92(+40 vs avg)
Best Practices
85(+29 vs avg)

Score Projection

Estimated improvement based on the findings in this report

Current score: 62Projected score: 68
Current score
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Module Breakdown

headers
08 findings
ssl
01 finding
cookies
01 finding
cookies
01 finding
cookies
01 finding
social checker
206 findings
structured data
301 finding
meta
617 findings
brand checker
704 findings
rate limits
753 findings
news mentions
781 finding
technology
803 findings
content
843 findings
indexing checker
851 finding
cookies
902 findings
accessibility
921 finding
dns
951 finding
page experience
951 finding
mobile
1001 finding
layout scan
100
uptime checker
100
log analyzer
100

All Findings (44)

Critical (7)

  • highheaders

    Missing strict-transport-security

    HSTS header is missing. The site may be vulnerable to downgrade attacks.

    Add Strict-Transport-Security header with max-age of at least 31536000

  • highheaders

    HTTP 403 error

    Server returned HTTP 403

    Fix the server error to return a 200 status

  • highssl

    SSL certificate not found

    Could not retrieve SSL certificate

    Ensure the site has a valid SSL certificate installed

  • highcookies

    Module failed

    The operation was aborted due to timeout

    Try scanning again

  • highcookies

    Module failed

    The operation was aborted due to timeout

    Try scanning again

  • highsocial checker

    Missing og:title

    Open Graph title is not set — social shares will use generic text

    Add og:title meta tag for compelling social media previews

  • highcookies

    Module failed

    Module timeout

    Try scanning again

Medium (16)

  • 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 canonical URL

    No canonical link tag found

    Add a canonical URL to prevent duplicate content issues

  • mediummeta

    Missing og:title

    Open Graph title is not set

    Add og:title meta tag for social sharing

  • 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

  • mediumtechnology

    Render-blocking scripts

    10 scripts load synchronously without async/defer

    Add async or defer to non-critical scripts to improve page load speed

  • mediumcontent

    No internal links

    No internal links found on the page

    Add internal links to help search engines discover and understand your site structure

  • 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

  • mediumsocial checker

    Missing og:description

    Open Graph description is not set

    Add og:description for better social sharing previews

  • mediumsocial checker

    Missing og:image

    No social sharing image set — posts will lack visual appeal

    Add og:image meta tag (1200x630px recommended)

  • mediumsocial checker

    Missing Twitter Card

    No twitter:card meta tag — Twitter/X will use default preview

    Add twitter:card meta tag (e.g., "summary_large_image")

  • 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

Low (21)

  • lowcookies

    1 cookie missing HttpOnly flag

    Cookies without HttpOnly can be accessed by JavaScript, increasing XSS risk

    Add HttpOnly to session and authentication cookies

  • lowcookies

    4 cookies missing SameSite attribute

    Missing SameSite defaults to Lax in modern browsers but should be explicit

    Set SameSite=Strict or SameSite=Lax on all cookies

  • 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

  • lowheaders

    Missing permissions-policy

    Permissions-Policy is missing.

    Add Permissions-Policy to restrict browser feature access

  • lowheaders

    Missing Cache-Control header

    No Cache-Control header — browser caching is undefined

    Add Cache-Control with appropriate max-age for static and dynamic resources

  • lowmeta

    Meta description too long

    Description is 176 characters (recommended: 120-160)

    Shorten the meta description to 120-160 characters

  • lowmeta

    Missing og:description

    Open Graph description is not set

    Add og:description meta tag for social sharing

  • lowmeta

    Missing Twitter Card

    No twitter:card meta tag

    Add twitter:card meta tag for Twitter sharing

  • lowtechnology

    Many external CSS files

    12 external stylesheets loaded

    Consider bundling CSS files to reduce HTTP requests

  • lowcontent

    Heading level skipped

    H4 follows H1 (skipped H2)

    Maintain sequential heading hierarchy without skipping levels

  • lowcontent

    Empty anchor links

    4 links point to "#" or "javascript:void(0)"

    Use proper URLs or button elements instead of empty anchors

  • 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

  • lownews mentions

    No press page on site

    Found 1 external mentions but no dedicated press page

    Create a /press or /news section to aggregate and amplify media coverage

  • lowsocial checker

    Missing og:type

    Open Graph type is not set

    Add og:type meta tag (e.g., "website", "article")

  • 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

  • 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 resource hints

    No preload or preconnect hints found

    Add preload for critical resources and preconnect for important third-party origins

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 centrum24.pl.

Prioritize high-severity issues first, then medium. For each fix, make the actual code change — don't just describe what to do.

```json
{
  "domain": "centrum24.pl",
  "scores": {
    "overall": 62,
    "performance": 0,
    "seo": 68,
    "accessibility": 92,
    "bestPractices": 85,
    "security": 34
  },
  "findings": [
    {
      "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": "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": "headers",
      "severity": "high",
      "title": "HTTP 403 error",
      "description": "Server returned HTTP 403",
      "recommendation": "Fix the server error to return a 200 status"
    },
    {
      "module": "ssl",
      "severity": "high",
      "title": "SSL certificate not found",
      "description": "Could not retrieve SSL certificate",
      "recommendation": "Ensure the site has a valid SSL certificate installed"
    },
    {
      "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": "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": "cookies",
      "severity": "high",
      "title": "Module failed",
      "description": "The operation was aborted due to timeout",
      "recommendation": "Try scanning again"
    },
    {
      "module": "cookies",
      "severity": "high",
      "title": "Module failed",
      "description": "The operation was aborted due to timeout",
      "recommendation": "Try scanning again"
    },
    {
      "module": "technology",
      "severity": "medium",
      "title": "Render-blocking scripts",
      "description": "10 scripts load synchronously without async/defer",
      "recommendation": "Add async or defer to non-critical scripts to improve page load speed"
    },
    {
      "module": "content",
      "severity": "medium",
      "title": "No internal links",
      "description": "No internal links found on the page",
      "recommendation": "Add internal links to help search engines discover and understand your site structure"
    },
    {
      "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": "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": "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": "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": "cookies",
      "severity": "high",
      "title": "Module failed",
      "description": "Module timeout",
      "recommendation": "Try scanning again"
    },
    {
      "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"
    }
  ]
}
```

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

Poland is Central Europe's fastest growing digital market.

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