Websites Powered by reCAPTCHA
5,572,554 websites tracked using reCAPTCHA (Security) · www.google.com
reCAPTCHA is a free Google service that protects websites from spam and abuse by distinguishing humans from bots, typically during form submission or login. Sites embed its script and challenge widget. It is one of the most common bot-protection tools online.
Usage trend
1M
2M
3M
Apr 2018
May 2020
Jul 2022
Aug 2024
Sep 2026
Domains observed using reCAPTCHA in each month's HTTP Archive crawl,
Apr 2018 to Sep 2026 · peak 2,150,463 in Apr 2024. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2 s
INP 75 ms
CLS 0
TTFB 900 ms
Median site among 1,917,883 reCAPTCHA sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
521,768
India
193,784
United Kingdom
180,414
Japan
171,305
France
146,342
Brazil
142,702
Spain
138,105
Canada
138,004
Sites using reCAPTCHA by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| News and media | 40.89% | 17,208 |
| Blogs and publishing | 32.82% | 8,046 |
| Games | 21.13% | 1,025 |
| Arts and entertainment | 19.88% | 8,205 |
| Legal | 19.27% | 4,513 |
| Home and construction | 18.53% | 8,819 |
| Retail | 17.75% | 53,476 |
| Automotive | 17.67% | 12,273 |
| Real estate | 17.53% | 12,429 |
| Education | 16.42% | 8,184 |
| Professional services | 16.31% | 6,710 |
| Finance and insurance | 15.96% | 2,648 |
Share of each industry's websites with a detected stack that use reCAPTCHA; industries come from what sites declare in their own structured data.
Top sites by authority
9+
42% · 158 of 372 sites
8+
38% · 2,938 of 7,677 sites
7+
28% · 12,990 of 45,712 sites
6+
24% · 26,735 of 110,136 sites
5+
20% · 48,935 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running reCAPTCHA in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using reCAPTCHA
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 3701 | washu.edu | 7.84/10 | 103,500 | 12,024 | Nov 2025 |
| 3702 | qatarairways.com | 7.84/10 | 450,500 | 68,109 | Oct 2018 |
| 3703 | govexec.com | 7.84/10 | 138,800 | 42,597 | Jun 2019 |
| 3704 | fiercepharma.com | 7.84/10 | 50,900 | 32,187 | Apr 2022 |
| 3705 | e-flux.com | 7.84/10 | 46,100 | 35,723 | Apr 2025 |
| 3706 | artforum.com | 7.84/10 | 93,300 | 45,813 | Oct 2018 |
| 3707 | eatthis.com | 7.84/10 | 441,600 | 282,839 | Oct 2018 |
| 3708 | star-telegram.com | 7.84/10 | 131,300 | 109,050 | Oct 2018 |
| 3709 | lnt.org | 7.84/10 | 14,700 | 2,907 | Jun 2022 |
| 3710 | mssm.edu | 7.84/10 | - | - | Aug 2025 |
| 3711 | calgary.ca | 7.84/10 | 32,000 | 20,606 | Jul 2021 |
| 3712 | ticketmaster.ca | 7.84/10 | 82,800 | 22,162 | Apr 2022 |
| 3713 | calacademy.org | 7.84/10 | 254,300 | 38,322 | Apr 2019 |
| 3714 | woolworths.com.au | 7.84/10 | 39,000 | 60,198 | Oct 2018 |
| 3715 | stsci.edu | 7.84/10 | 41,900 | 3,651 | Jul 2020 |
| 3716 | carm.es | 7.84/10 | 3,800 | 3,901 | Jun 2020 |
| 3717 | csus.edu | 7.84/10 | 339,200 | 49,001 | Oct 2018 |
| 3718 | istoedinheiro.com.br | 7.84/10 | 3,200 | 7,354 | Apr 2022 |
| 3719 | sch.gr | 7.84/10 | 12 | 33 | Feb 2019 |
| 3720 | vogue.it | 7.84/10 | 3,500 | 4,505 | Apr 2022 |
| 3721 | psypost.org | 7.84/10 | 16,600 | 22,285 | Apr 2022 |
| 3722 | trimbos.nl | 7.84/10 | 460 | 400 | Jan 2020 |
| 3723 | joqr.co.jp | 7.84/10 | 110 | 35 | Apr 2022 |
| 3724 | uco.es | 7.84/10 | 1,900 | 3,340 | Oct 2018 |
| 3725 | udg.mx | 7.84/10 | 1,700 | 2,925 | Jul 2020 |
| 3726 | cashbackeasy.com | 7.83/10 | 8,100 | 4,926 | Feb 2024 |
| 3727 | markmonitor.com | 7.83/10 | 4,000 | 912 | Aug 2019 |
| 3728 | iheartnaptime.net | 7.83/10 | 717,600 | 180,626 | Feb 2019 |
| 3729 | automobilwoche.de | 7.83/10 | 340 | 395 | Apr 2022 |
| 3730 | percona.com | 7.83/10 | 4,800 | 3,828 | Mar 2023 |
| 3731 | blogmura.com | 7.83/10 | 43 | 10 | Apr 2022 |
| 3732 | zip.co | 7.83/10 | 144,900 | 19,095 | Dec 2020 |
| 3733 | zabbix.com | 7.83/10 | 9,500 | 18,879 | Nov 2025 |
| 3734 | athenahealth.com | 7.83/10 | 208,800 | 21,248 | May 2025 |
| 3735 | ucoz.net | 7.83/10 | - | - | Dec 2017 |
| 3736 | tiobe.com | 7.83/10 | 21,200 | 8,369 | May 2023 |
| 3737 | skrill.com | 7.83/10 | 38,100 | 8,445 | Jan 2019 |
| 3738 | hktdc.com | 7.83/10 | 1,600 | 1,011 | Oct 2018 |
| 3739 | posit.co | 7.83/10 | 48,700 | 10,791 | Aug 2025 |
| 3740 | biologists.com | 7.83/10 | 610 | 303 | Oct 2018 |
| 3741 | blackboard.com | 7.83/10 | 190 | 43 | Oct 2018 |
| 3742 | qsrmagazine.com | 7.83/10 | 117,400 | 77,176 | Apr 2020 |
| 3743 | manus.im | 7.83/10 | 22,800 | 2,435 | Dec 2025 |
| 3744 | wisconsin.edu | 7.83/10 | 109,400 | 21,905 | May 2021 |
| 3745 | analyticsinsight.net | 7.83/10 | 54,800 | 47,626 | Apr 2019 |
| 3746 | israelnationalnews.com | 7.83/10 | 17,000 | 13,305 | Apr 2022 |
| 3747 | tmcnet.com | 7.83/10 | 1,900 | 3,695 | Apr 2022 |
| 3748 | simon.com | 7.83/10 | 3,109,000 | 383,678 | Oct 2018 |
| 3749 | maariv.co.il | 7.83/10 | 440 | 344 | Apr 2022 |
| 3750 | elespectador.com | 7.83/10 | 35,500 | 61,161 | Apr 2022 |
| 3751 | forth.gr | 7.83/10 | 77 | 61 | Dec 2019 |
| 3752 | inail.it | 7.83/10 | 44 | 7 | Jul 2024 |
| 3753 | empireonline.com | 7.83/10 | 744,600 | 190,475 | Apr 2022 |
| 3754 | uschamberfoundation.org | 7.83/10 | 6,500 | 1,929 | Nov 2023 |
| 3755 | calgaryherald.com | 7.83/10 | 30,000 | 30,056 | Apr 2022 |
| 3756 | utilitydive.com | 7.83/10 | 46,200 | 27,700 | Oct 2018 |
| 3757 | care.org | 7.83/10 | 51,000 | 15,849 | Nov 2020 |
| 3758 | latercera.com | 7.83/10 | 16,600 | 41,732 | Dec 2021 |
| 3759 | upworthy.com | 7.83/10 | 101,400 | 83,649 | Apr 2022 |
| 3760 | theroot.com | 7.83/10 | 181,000 | 92,633 | Apr 2022 |
| 3761 | regione.sicilia.it | 7.83/10 | 1,200 | 834 | Jun 2024 |
| 3762 | njoag.gov | 7.83/10 | 59,500 | 24,181 | Jul 2021 |
| 3763 | nybg.org | 7.83/10 | 172,700 | 55,223 | Oct 2018 |
| 3764 | afp.gov.au | 7.83/10 | 5,800 | 8,140 | Sep 2023 |
| 3765 | hautsdefrance.fr | 7.83/10 | 190 | 368 | Dec 2020 |
| 3766 | soas.ac.uk | 7.83/10 | 11,900 | 7,702 | Apr 2019 |
| 3767 | ottawacitizen.com | 7.83/10 | 19,400 | 20,150 | Apr 2022 |
| 3768 | nsvrc.org | 7.83/10 | 22,200 | 15,219 | Jan 2026 |
| 3769 | bancomundial.org | 7.83/10 | 4,900 | 4,643 | Oct 2024 |
| 3770 | illinoisstate.edu | 7.83/10 | 73,400 | 18,380 | Dec 2020 |
| 3771 | sanjoseca.gov | 7.83/10 | 391,200 | 52,901 | Aug 2022 |
| 3772 | sahealth.sa.gov.au | 7.83/10 | 83,500 | 40,584 | Jul 2023 |
| 3773 | markezine.jp | 7.83/10 | 1 | 46 | Apr 2022 |
| 3774 | rawstory.com | 7.83/10 | 40,800 | 20,054 | Feb 2020 |
| 3775 | scu.edu.au | 7.83/10 | 4,200 | 5,824 | May 2019 |
| 3776 | olhardigital.com.br | 7.83/10 | 5,100 | 9,595 | Mar 2023 |
| 3777 | baltimorecity.gov | 7.83/10 | 62,000 | 10,410 | Mar 2021 |
| 3778 | udayton.edu | 7.83/10 | 73,700 | 21,407 | Mar 2020 |
| 3779 | liberty.edu | 7.83/10 | 566,200 | 112,763 | Dec 2018 |
| 3780 | montclair.edu | 7.83/10 | 259,400 | 41,553 | Sep 2022 |
| 3781 | qu.edu | 7.83/10 | 43,300 | 15,187 | Jan 2019 |
| 3782 | unict.it | 7.83/10 | 870 | 781 | Oct 2018 |
| 3783 | wakayama.lg.jp | 7.83/10 | - | - | Aug 2026 |
| 3784 | tsn.ca | 7.83/10 | 821,400 | 191,514 | Apr 2022 |
| 3785 | erasmusmc.nl | 7.83/10 | 3,800 | 1,117 | Dec 2020 |
| 3786 | uerj.br | 7.83/10 | 330 | 207 | Jan 2019 |
| 3787 | ncronline.org | 7.83/10 | 153,900 | 62,693 | Apr 2022 |
| 3788 | kau.se | 7.83/10 | 650 | 666 | Sep 2020 |
| 3789 | naturskyddsforeningen.se | 7.83/10 | 540 | 209 | Mar 2024 |
| 3790 | ciao.jp | 7.83/10 | - | - | Apr 2022 |
| 3791 | google.com.ng | 7.83/10 | 11,500 | 9,717 | Aug 2022 |
| 3792 | culture.pl | 7.83/10 | 55,900 | 12,994 | Apr 2019 |
| 3793 | sponichi.co.jp | 7.83/10 | 85 | 188 | Apr 2022 |
| 3794 | nau.ch | 7.83/10 | 940 | 3,508 | Apr 2022 |
| 3795 | caritas.org.hk | 7.82/10 | 10 | 28 | Apr 2021 |
| 3796 | 1c-bitrix.ru | 7.82/10 | 3 | 18 | Dec 2021 |
| 3797 | idownloadblog.com | 7.82/10 | 72,800 | 133,223 | Jan 2019 |
| 3798 | asid.org | 7.82/10 | 5,300 | 1,093 | Jan 2024 |
| 3799 | conecti.me | 7.82/10 | - | 4 | Apr 2022 |
| 3800 | envoyproxy.io | 7.82/10 | 6,700 | 1,998 | Jun 2025 |
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) →
Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).
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