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11,909 sitesUnited Kingdom8 topics
Web statistics in the UK
How UK websites handle HTTPS, email security, robots.txt, AI crawlers, SEO and more in 2026 — measured on 11,909 sites.
CMS & buildersContent management systems and website builders.34%CMS18%Website builderWeb fontsThe most used Google Fonts and font services.27%Google Fonts40%Preconnect hintsFrameworks & librariesJavaScript frameworks, CSS frameworks and libraries.18%JS framework43%CSS frameworkPage weightHTML size, scripts, third parties and image formats of homepages.50%Lazy-loaded images24%WebP/AVIF imagesSEO basicsTitles, descriptions, H1, canonical, lang and other on-page basics of homepages.61%Title 31–70 characters81%Meta descriptionAccessibility signalsLanguage, viewport, headings and overlays — basic accessibility signals.90%lang attribute93%Mobile viewportHTTPS & certificatesHTTPS adoption, redirects, TLS versions and certificate authorities.99%HTTPS homepage88%HTTP → HTTPS redirectSocial linksWhich social networks popular websites link to.67%Links to social networks45%Open Graph
Our crawler: 11,909 sites · United Kingdom · updated 23 Oct 2026 · Methodology
Markets
Markets compared
The same checks on popular sites in seven markets.
| Metric | United Kingdom | Global | Netherlands | Italy | Spain | Japan | Latin America |
|---|---|---|---|---|---|---|---|
| CMS | 34% | 30% | 35% | 43% | 43% | 30% | 36% |
| Website builder | 18% | 14% | 17% | 26% | 24% | 17% | 25% |
| CSS framework | 43% | 37% | 42% | 50% | 51% | 14% | 46% |
| Google Fonts | 27% | 19% | 23% | 33% | 32% | 32% | 37% |
| WebP/AVIF images | 24% | 23% | 24% | 26% | 25% | 18% | 30% |
| Lazy-loaded images | 50% | 45% | 51% | 50% | 53% | 30% | 51% |
| Mobile viewport | 93% | 91% | 93% | 92% | 94% | 84% | 93% |
| Open Graph | 45% | 50% | 42% | 46% | 46% | 57% | 48% |