SEO Report: olx.pt
Generated April 28, 2026 · 39 findings · 6.5s
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 (36)
Critical (4)
- highssl
SSL certificate not found
Could not retrieve SSL certificate
Ensure the site has a valid SSL certificate installed
- highcontent
No H1 tag found
The page has no H1 heading
Add exactly one H1 tag with the primary keyword
- highaccessibility
Missing lang attribute
The <html> tag does not have a lang attribute
Add lang="en" (or appropriate language) to the <html> tag
- highaccessibility
1 form fields without labels
Form inputs without associated labels are inaccessible
Use <label for="id"> or aria-label on every form field
Medium (12)
- mediumheaders
CSP allows unsafe-eval
Content-Security-Policy uses 'unsafe-eval' which allows dynamic code execution
Remove 'unsafe-eval' and refactor code to avoid eval()
- 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
- mediummeta
Missing og:image
No Open Graph image set. Social shares will lack a preview image.
Add og:image meta tag (1200x630px recommended)
- mediummeta
Missing lang attribute
The <html> element has no lang attribute
Add lang attribute to <html> for accessibility and SEO
- 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 0% (recommended: >5%)
Increase meaningful text content relative to HTML markup
- mediumcontent
External links without noopener
10 external links with target="_blank" lack rel="noopener"
Add rel="noopener noreferrer" to all target="_blank" links
- mediumaccessibility
Missing main landmark
No <main> element or role="main" found
Wrap primary content in a <main> element for screen reader navigation
- 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
Low (20)
- lowdns
No IPv6 (AAAA) records
The domain has no AAAA records for IPv6 connectivity
Add AAAA DNS records for IPv6 support
- lowheaders
HSTS max-age too short
HSTS max-age is 15552000s (recommended: 31536000)
Set max-age to at least 31536000 (1 year)
- lowheaders
Server header exposes software
Server: nginx
Remove or obfuscate the Server header to reduce information leakage
- 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
- lowmeta
Missing og:url
Open Graph URL is not set
Add og:url meta tag matching the canonical URL
- 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
- lowsitemap
No lastmod dates
Sitemap URLs don't include lastmod timestamps
Add <lastmod> to help search engines prioritize crawling
- lowtechnology
Many third-party domains
30 external domains — may impact performance and privacy
Reduce third-party dependencies or self-host critical resources
- lowcontent
Heading level skipped
H4 follows H2 (skipped H3)
Maintain sequential heading hierarchy without skipping levels
- lowcontent
Lazy images without dimensions
1 lazy-loaded images lack width/height — causes layout shift
Add width and height attributes to lazy-loaded images
- lowaccessibility
Missing navigation landmark
No <nav> element or role="navigation" found
Wrap navigation links in a <nav> element
- 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 or news presence
No press pages found on the site and no external news mentions detected
Create a /news or /press page with company updates — this builds authority and earns links
- 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
Popup elements detected
Found 1 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 olx.pt.
Prioritize high-severity issues first, then medium. For each fix, make the actual code change — don't just describe what to do.
```json
{
"domain": "olx.pt",
"scores": {
"overall": 75,
"performance": 0,
"seo": 84,
"accessibility": 59,
"bestPractices": 89,
"security": 70
},
"findings": [
{
"module": "headers",
"severity": "medium",
"title": "CSP allows unsafe-eval",
"description": "Content-Security-Policy uses 'unsafe-eval' which allows dynamic code execution",
"recommendation": "Remove 'unsafe-eval' and refactor code to avoid eval()"
},
{
"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": "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 og:image",
"description": "No Open Graph image set. Social shares will lack a preview image.",
"recommendation": "Add og:image meta tag (1200x630px recommended)"
},
{
"module": "meta",
"severity": "medium",
"title": "Missing lang attribute",
"description": "The <html> element has no lang attribute",
"recommendation": "Add lang attribute to <html> for accessibility and SEO"
},
{
"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": "high",
"title": "No H1 tag found",
"description": "The page has no H1 heading",
"recommendation": "Add exactly one H1 tag with the primary keyword"
},
{
"module": "content",
"severity": "medium",
"title": "Very low text-to-HTML ratio",
"description": "Text/HTML ratio is 0% (recommended: >5%)",
"recommendation": "Increase meaningful text content relative to HTML markup"
},
{
"module": "content",
"severity": "medium",
"title": "External links without noopener",
"description": "10 external links with target=\"_blank\" lack rel=\"noopener\"",
"recommendation": "Add rel=\"noopener noreferrer\" to all target=\"_blank\" links"
},
{
"module": "accessibility",
"severity": "high",
"title": "Missing lang attribute",
"description": "The <html> tag does not have a lang attribute",
"recommendation": "Add lang=\"en\" (or appropriate language) to the <html> tag"
},
{
"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": "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"
}
]
}
```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