Adoption of modern HTTPS practices

Core protections that every site can add.

HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% HTTPS redirects: 78.6% 78.6%HTTPS redirects785,700 of 1,000,000 websites
HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% HTTP/2 adoption: 85.8% 85.8%HTTP/2 adoption835,602 of 973,441 deep-scanned websites
HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% HSTS adoption: 34.4% 34.4%HSTS adoption344,100 of 1,000,000 websites
CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% CAA adoption: 6.3% 6.3%CAA adoption62,800 of 1,000,000 websites
OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% OCSP stapling: 8.3% 8.3%OCSP stapling81,282 of 973,441 deep-scanned websites
HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% HSTS preload directive: 9.4% 9.4%HSTS preload directive93,900 of 1,000,000 websites

Denominators: websites / deep-scanned websites — each measure states its own

View as table
MeasureShareSitesn
HTTPS redirects78.6%785,7001,000,000
HTTP/2 adoption85.8%835,602973,441
HSTS adoption34.4%344,1001,000,000
CAA adoption6.3%62,8001,000,000
OCSP stapling8.3%81,282973,441
HSTS preload directive9.4%93,9001,000,000

Source: GeoTrust Research — The State of SSL/TLS, October 2026