Website Health Report

info.cern.ch

Critical

8 fixable issues across SEO, accessibility, mobile, security & performance.

⚠️ no HTTPS1 KB503 ms0 images

What we found

securityimpact 18

Not served over HTTPS — browsers label it 'Not secure'.
Fix: Install SSL and force HTTPS redirects.
mobileimpact 12

No mobile viewport tag — fails Google's mobile-friendly test.
Fix: Add a responsive viewport meta tag.
seoimpact 10

Missing meta description — weaker, lower-click Google listings.
Fix: Write a 120–158 char description.
socialimpact 6

Missing Open Graph tags — links look broken when shared (social/iMessage/Slack).
Fix: Add og:title, og:description, og:image.
performanceimpact 5

Response not compressed (no gzip/Brotli) — bigger, slower downloads.
Fix: Enable gzip/Brotli on server or CDN.
accessibilityimpact 4

No lang attribute on <html> — screen readers can't detect language.
Fix: Add lang to the <html> element.
seoimpact 3

No structured data (JSON-LD) — misses Google rich results.
Fix: Add Schema.org JSON-LD.
brandingimpact 2

No favicon — looks unfinished in browser tabs.
Fix: Add a favicon.

Want all of this fixed — without lifting a finger?

We implement every fix above and re-test until your score is green. Flat $149; most sites done within 48 hours.

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Generated by SiteLift. Reflects the homepage at scan time and covers common high-impact issues; it is not an exhaustive security or legal-compliance review. The 0–100 figure is SiteLift's own weighting, not an official Google or Lighthouse score.