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11,322 sitesUnited Kingdom

SSL/TLS adoption statistics in the UK

HTTPS adoption, redirects, TLS versions and certificate authorities.

99%
HTTPS homepage
11,186 / 11,322
89%
HTTP → HTTPS redirect
9,385 / 10,557
97%
TLS 1.3
27,814 / 28,681
50%
HSTS
5,598 / 11,186

Certificate authorities

  1. 1Let's Encrypt64%18,245
  2. 2Google Trust Services23%6,731
  3. 3Amazon3.5%1,002
  4. 4DigiCert3.4%976
  5. 5Sectigo2.5%712
  6. 6GlobalSign1.1%303
  7. 7GoDaddy / Starfield0.9%266
  8. 8Other0.2%64
  9. 9Cloudflare0.1%37
  10. 10SSL.com<0.1%26
  11. 11Entrust<0.1%19
  12. 12Trustico<0.1%3

Share of 28,681 sites in the sample.

By market

MetricUnited KingdomGlobalNetherlandsItalySpainJapanLatin America
HTTPS homepage99%99%99%99%99%99%99%
HTTP → HTTPS redirect89%85%92%86%88%65%82%
TLS 1.397%90%97%90%90%78%89%
Let's Encrypt certificate64%29%67%45%41%25%40%
HSTS50%53%52%40%49%33%45%
HSTS preload14%17%16%12%15%5%16%
Invalid certificate1%2.4%1.5%2.9%3.4%4.3%3.3%
Certificate expires in < 14 days0.3%1.1%0.4%1.1%1.2%1.3%1.2%

Certificate lifetime

0.1%≤ 31
89%32–90
<0.1%91–100
8.5%101–200
2.7%201–398
0%399–800
0%> 800

Days · Share of 28,390 sites in the sample.

TLS version

  1. 1TLSv1.397%27,814
  2. 2TLSv1.23%865
  3. 3—<0.1%2

Share of 28,681 sites in the sample.

Cipher suites

  1. 1TLS_AES_256_GCM_SHA38490%25,807
  2. 2TLS_AES_128_GCM_SHA2566.8%1,947
  3. 3ECDHE-RSA-AES256-GCM-SHA3841.4%407
  4. 4ECDHE-RSA-AES128-GCM-SHA2561%275
  5. 5ECDHE-ECDSA-AES128-GCM-SHA2560.5%131
  6. 6TLS_CHACHA20_POLY1305_SHA2560.2%60
  7. 7ECDHE-RSA-AES256-SHA384<0.1%20
  8. 8ECDHE-ECDSA-AES256-GCM-SHA384<0.1%17

Share of 28,681 sites in the sample.

Our crawler: 11,322 sites · United Kingdom · updated 13 Nov 2026 · Methodology

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