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11,909 sitesUnited Kingdom

SSL/TLS adoption statistics in the UK

HTTPS adoption, redirects, TLS versions and certificate authorities.

99%
HTTPS homepage
11,764 / 11,909
88%
HTTP → HTTPS redirect
10,107 / 11,520
96%
TLS 1.3
24,932 / 25,890
54%
HSTS
6,299 / 11,764

Certificate authorities

  1. 1Let's Encrypt62%16,017
  2. 2Google Trust Services23%6,013
  3. 3Amazon3.9%1,022
  4. 4DigiCert3.8%984
  5. 5Sectigo2.9%750
  6. 6GlobalSign1.3%326
  7. 7GoDaddy / Starfield1.1%278
  8. 8Other0.3%69
  9. 9Cloudflare0.2%41
  10. 10SSL.com<0.1%25
  11. 11Entrust<0.1%20
  12. 12Trustico<0.1%4

Share of 25,890 sites in the sample.

By market

MetricUnited KingdomGlobalNetherlandsItalySpainJapanLatin America
HTTPS homepage99%98%99%99%99%99%99%
HTTP → HTTPS redirect88%85%91%85%88%65%82%
TLS 1.396%89%96%89%90%77%89%
Let's Encrypt certificate62%29%66%45%41%25%42%
HSTS54%53%54%40%50%33%44%
HSTS preload14%17%16%11%15%5%15%
Invalid certificate1.3%2.7%1.9%2.8%3.6%4.6%3.6%
Certificate expires in < 14 days0.4%1.1%0.5%0.9%1.4%1.5%1%

Certificate lifetime

0.1%≤ 31
87%32–90
<0.1%91–100
9.1%101–200
3.7%201–398
0%399–800
0%> 800

Days · Share of 25,558 sites in the sample.

TLS version

  1. 1TLSv1.396%24,932
  2. 2TLSv1.23.7%956
  3. 3—<0.1%2

Share of 25,890 sites in the sample.

Cipher suites

  1. 1TLS_AES_256_GCM_SHA38488%22,843
  2. 2TLS_AES_128_GCM_SHA2567.8%2,030
  3. 3ECDHE-RSA-AES256-GCM-SHA3841.7%453
  4. 4ECDHE-RSA-AES128-GCM-SHA2561.2%310
  5. 5ECDHE-ECDSA-AES128-GCM-SHA2560.5%138
  6. 6TLS_CHACHA20_POLY1305_SHA2560.2%59
  7. 7ECDHE-RSA-AES256-SHA384<0.1%19
  8. 8ECDHE-ECDSA-AES256-GCM-SHA384<0.1%18

Share of 25,890 sites in the sample.

Our crawler: 11,909 sites · United Kingdom · updated 23 Oct 2026 · Methodology

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