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1,359 sitesUK brands8 topics
Website statistics on brand websites
How brand websites handle HTTPS, email security, robots.txt, AI crawlers, SEO and more in 2026 — measured on 1,359 sites.
HTTPS & certificates
HTTPS adoption, redirects, TLS versions and certificate authorities.
100%HTTPS homepage91%HTTP → HTTPS redirect
Security headers
HSTS, CSP, X-Frame-Options and other protective headers.
78%HSTS51%Content-Security-Policy
Email authentication
SPF, DMARC, MTA-STS and BIMI: how well domains protect their email from spoofing.
93%SPF record88%DMARC record
AI crawlers
Which AI bots websites block in robots.txt — GPTBot, ClaudeBot, CCBot, Google-Extended and others.
7.4%Blocks an AI crawler4.9%Blocks GPTBot
Structured data
Schema.org types, Open Graph and Twitter cards on homepages.
61%JSON-LD structured data56%Open Graph
SEO basics
Titles, descriptions, H1, canonical, lang and other on-page basics of homepages.
63%Title 31–70 characters89%Meta description
E-commerce
Shop platforms, payments and reviews on popular websites.
21%E-commerce platform13%Payment widget
CMS & builders
Content management systems and website builders.
46%CMS13%Website builder
Our crawler: 1,359 sites · UK brands · updated 23 Oct 2026 · Methodology
Markets
Markets compared
The same checks on popular sites in seven markets.
| Metric | UK brands | United Kingdom | Global |
|---|---|---|---|
| HTTPS homepage | 100% | 99% | 98% |
| HSTS | 78% | 54% | 53% |
| DMARC record | 88% | 40% | 64% |
| DMARC enforced | 67% | 21% | 41% |
| IPv6 (AAAA record) | 26% | 66% | 36% |
| Blocks an AI crawler | 7.4% | 6% | 10% |
| Web analytics | 23% | 42% | 43% |
| Cookie consent banner | 45% | 27% | 19% |