Websites Powered by HSTS

12,285,421 websites tracked using HSTS (Security) · www.rfc-editor.org

HTTP Strict Transport Security (HSTS) is a security policy, sent via the Strict-Transport-Security response header, that tells browsers to only connect to a site over HTTPS. It protects against protocol-downgrade and cookie-hijacking attacks and is a common baseline security measure.

Usage trend

Domains observed using HSTS in each month's HTTP Archive crawl, Sep 2022 to Jun 2026 · peak 4,580,056 in Jun 2026. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 1.7 s INP 75 ms CLS 0 TTFB 700 ms

Median site among 4,153,020 HSTS sites with Chrome UX data, p75 values, Jun 2026.

Top countries

United States 1,467,206
United Kingdom 450,618
Germany 441,210
India 429,462
France 366,415
Canada 324,872
Brazil 303,175
Italy 243,977

Sites using HSTS by audience country, Chrome UX Report.

Top sites by authority

9+ 76% · 284 of 372 sites
8+ 77% · 5,894 of 7,677 sites
7+ 66% · 30,000 of 45,712 sites
6+ 58% · 64,348 of 110,136 sites
5+ 49% · 119,742 of 246,751 sites

The share of the web's most authoritative domains, by Open Page Rank tier, seen running HSTS in recent crawls. Only 372 domains worldwide score 9 or higher.

Websites using HSTS

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
2101 denverpost.com 8.48/10 284,000 251,780 Sep 2022
2102 mercurynews.com 8.48/10 214,600 245,325 Sep 2022
2103 chip.de 8.48/10 21,400 35,937 Sep 2022
2104 banque-france.fr 8.48/10 5,000 5,617 Sep 2022
2105 tno.nl 8.48/10 4,400 2,178 Sep 2022
2106 hal.science 8.48/10 25,600 50,511 Nov 2022
2107 elysee.fr 8.48/10 185,300 5,812 Sep 2022
2108 wv.gov 8.48/10 43,300 7,749 Sep 2022
2109 grants.gov 8.48/10 211,200 46,252 Sep 2022
2110 wiwo.de 8.48/10 1,500 2,929 Sep 2022
2111 mof.go.jp 8.48/10 3,100 2,079 Sep 2022
2112 actu.fr 8.48/10 16,900 36,468 Sep 2022
2113 jetro.go.jp 8.48/10 21,700 9,858 Sep 2022
2114 unirioja.es 8.48/10 620 1,912 Sep 2022
2115 freenode.net 8.47/10 180 54 Sep 2022
2116 pacer.org 8.47/10 36,200 3,391 Jun 2025
2117 verisign.com 8.47/10 3,500 2,327 Sep 2022
2118 sprinklr.com 8.47/10 55,400 23,506 Sep 2022
2119 ozon.ru 8.47/10 17,300 67,642 Sep 2022
2120 transunion.com 8.47/10 752,600 50,330 Sep 2022
2121 tarteaucitron.io 8.47/10 1 3 Sep 2022
2122 iacr.org 8.47/10 580 590 Sep 2022
2123 godaddysites.com 8.47/10 - - Nov 2024
2124 zoominfo.com 8.47/10 1,944,100 1,718,073 Sep 2022
2125 patagonia.com 8.47/10 1,257,300 310,910 Sep 2022
2126 lifewire.com 8.47/10 768,200 647,499 Sep 2022
2127 designrush.com 8.47/10 107,900 50,291 Sep 2022
2128 accuweather.com 8.47/10 21,760,400 2,238,012 Sep 2022
2129 ofcom.org.uk 8.47/10 12,600 13,598 Sep 2022
2130 screamingfrog.co.uk 8.47/10 25,800 8,325 Feb 2026
2131 ford.com 8.47/10 4,999,200 722,499 Sep 2022
2132 leprogres.fr 8.47/10 2,800 8,672 Aug 2023
2133 hatenablog.com 8.47/10 - - Apr 2023
2134 bestbuy.com 8.47/10 18,947,500 3,655,774 Sep 2022
2135 state.nj.us 8.47/10 200 56 Sep 2022
2136 iadb.org 8.47/10 41,900 17,252 Sep 2022
2137 nfl.com 8.47/10 24,110,500 1,018,128 Sep 2022
2138 bafa.de 8.47/10 1,200 562 Oct 2022
2139 mentalhealth.org.uk 8.47/10 64,400 28,212 Sep 2022
2140 thehotline.org 8.47/10 372,100 21,573 Nov 2024
2141 ew.com 8.47/10 3,714,800 1,040,720 Sep 2022
2142 google.com.mx 8.47/10 6,300 740 Sep 2022
2143 hindawi.com 8.47/10 - - Sep 2022
2144 copernicus.org 8.47/10 750 13 Sep 2022
2145 popsci.com 8.47/10 303,400 287,357 Sep 2022
2146 challenges.fr 8.47/10 1,500 4,102 Sep 2022
2147 kvk.nl 8.47/10 4,500 2,490 Sep 2022
2148 nypl.org 8.47/10 694,800 129,390 Sep 2022
2149 gva.es 8.47/10 490 1,924 Sep 2022
2150 consumentenbond.nl 8.47/10 1,100 1,242 Sep 2022
2151 rp-online.de 8.47/10 6,600 10,906 Sep 2022
2152 kqed.org 8.47/10 365,100 246,843 Sep 2022
2153 arts.gov 8.47/10 166,700 27,792 Sep 2022
2154 poznan.pl 8.47/10 320 564 Sep 2022
2155 unil.ch 8.47/10 2,600 1,615 Sep 2022
2156 ssllabs.com 8.46/10 8,900 1,800 Sep 2022
2157 cuppa.ai 8.46/10 64 11 Dec 2024
2158 oasis-open.org 8.46/10 2,200 570 Sep 2022
2159 brandwatch.com 8.46/10 60,500 22,654 Sep 2022
2160 jwplayer.com 8.46/10 23 83 Sep 2022
2161 cryoutcreations.eu 8.46/10 500 296 Sep 2022
2162 credly.com 8.46/10 42,900 18,908 Sep 2022
2163 obsproject.com 8.46/10 537,600 105,885 Sep 2022
2164 cloudwaysapps.com 8.46/10 - - Jan 2025
2165 bazaarvoice.com 8.46/10 8,700 4,934 Sep 2022
2166 cookieinformation.com 8.46/10 480 815 Dec 2022
2167 wpbeginner.com 8.46/10 100,900 41,445 Sep 2022
2168 retaildive.com 8.46/10 141,400 72,819 Jun 2024
2169 trustedshops.com 8.46/10 - 1 Sep 2022
2170 optinmonster.com 8.46/10 22,300 10,089 Sep 2022
2171 mediaroom.com 8.46/10 - - Sep 2022
2172 blackberry.com 8.46/10 11,700 3,327 Sep 2022
2173 flutter.dev 8.46/10 35,000 11,529 Sep 2022
2174 theknot.com 8.46/10 2,416,500 725,408 Sep 2022
2175 powr.io 8.46/10 5,100 2,261 Sep 2022
2176 outsideonline.com 8.46/10 367,000 286,480 Sep 2022
2177 de.com 8.46/10 - 2 Sep 2022
2178 cpj.org 8.46/10 12,200 5,934 Sep 2022
2179 osd.mil 8.46/10 - - Sep 2022
2180 gov.si 8.46/10 6,300 3,751 Sep 2022
2181 curbed.com 8.46/10 40,200 32,651 Sep 2022
2182 builtin.com 8.46/10 678,600 242,189 Sep 2022
2183 n8n.io 8.46/10 19,700 34,558 Sep 2022
2184 fsf.org 8.46/10 5,300 2,277 Sep 2022
2185 legacy.com 8.46/10 5,587,500 2,244,685 Sep 2022
2186 esafety.gov.au 8.46/10 117,700 21,186 Sep 2022
2187 google.ie 8.46/10 1,400 1,632 Sep 2022
2188 influencermarketinghub.com 8.46/10 77,200 55,806 Feb 2024
2189 military.com 8.46/10 1,906,200 410,232 Sep 2022
2190 state.fl.us 8.46/10 - - Sep 2022
2191 signal.org 8.46/10 164,000 20,725 Sep 2022
2192 captivate.fm 8.46/10 3,100 1,871 Aug 2023
2193 amazon.nl 8.46/10 8,100 32,528 Sep 2022
2194 elle.fr 8.46/10 13,500 17,624 Sep 2022
2195 google.com.ua 8.46/10 160 6 Sep 2022
2196 researchandmarkets.com 8.46/10 3,300 13,673 Sep 2022
2197 knowyourmeme.com 8.46/10 1,010,300 433,443 Sep 2022
2198 vulture.com 8.46/10 1,483,100 713,348 Sep 2022
2199 lifeline.org.au 8.46/10 2,100 2,550 Sep 2022
2200 ces.tech 8.46/10 52,300 14,303 Oct 2023

Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.

Download top 10,000 as CSV (zip) →

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