Websites Powered by reCAPTCHA

5,543,355 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

Domains observed using reCAPTCHA in each month's HTTP Archive crawl, Apr 2018 to Aug 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 1,928,020 reCAPTCHA sites with Chrome UX data, p75 values, Aug 2026.

Top countries

United States 534,273
India 197,700
United Kingdom 181,539
Japan 172,940
Brazil 145,709
France 145,372
Canada 138,940
Spain 131,068

Sites using reCAPTCHA by audience country, Chrome UX Report.

Top sites by authority

9+ 43% · 160 of 372 sites
8+ 39% · 2,957 of 7,677 sites
7+ 29% · 13,189 of 45,712 sites
6+ 25% · 27,222 of 110,136 sites
5+ 20% · 49,830 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

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
1401 newsday.com 8.37/10 318,900 272,478 Dec 2020
1402 wikidot.com 8.37/10 2,200 124 May 2021
1403 lpages.co 8.37/10 - - Apr 2020
1404 code.org 8.37/10 90,900 45,566 Jun 2024
1405 uni-lj.si 8.37/10 3,200 359 Jan 2019
1406 kaiserpermanente.org 8.37/10 41,900 494 Oct 2018
1407 freep.com 8.37/10 1,278,700 486,257 Dec 2020
1408 marthastewart.com 8.37/10 1,912,000 579,772 Apr 2022
1409 toronto.ca 8.37/10 187,100 72,925 Sep 2022
1410 uni-freiburg.de 8.37/10 4,000 1,793 Dec 2021
1411 merkur.de 8.37/10 4,200 12,492 Sep 2020
1412 fgv.br 8.37/10 2 10 Aug 2018
1413 lodz.pl 8.37/10 90 193 Jan 2019
1414 tver.jp 8.37/10 540 549 Apr 2022
1415 jrc.or.jp 8.37/10 420 340 Aug 2019
1416 opentelemetry.io 8.36/10 9,200 10,224 May 2025
1417 devpost.com 8.36/10 10,700 6,824 Aug 2024
1418 docusign.com 8.36/10 580,400 27,292 Dec 2019
1419 goodmorningamerica.com 8.36/10 426,900 286,730 Feb 2020
1420 pixieset.com 8.36/10 28,500 7,519 Nov 2021
1421 mailjet.com 8.36/10 5,200 4,779 Oct 2018
1422 jpn.com 8.36/10 - - Jan 2019
1423 thalesgroup.com 8.36/10 23,400 11,711 Jun 2020
1424 gov.sk 8.36/10 - - Jan 2019
1425 se.com 8.36/10 278,100 85,853 Jan 2019
1426 gulfnews.com 8.36/10 110,700 110,314 Sep 2019
1427 salvationarmy.org 8.36/10 40,500 53,939 Jun 2020
1428 dyndns.org 8.36/10 - - Oct 2018
1429 st-andrews.ac.uk 8.36/10 48,900 16,687 Mar 2023
1430 hubpages.com 8.36/10 91,600 121,187 Apr 2022
1431 stjude.org 8.36/10 198,900 67,593 Aug 2021
1432 tripadvisor.es 8.36/10 485,500 170,620 Apr 2022
1433 hgtv.com 8.36/10 1,202,000 585,010 Dec 2020
1434 futurism.com 8.36/10 98,600 84,594 Apr 2022
1435 infobae.com 8.36/10 411,800 675,940 Apr 2022
1436 health.com 8.36/10 3,081,100 935,853 Apr 2022
1437 baltimoresun.com 8.36/10 82,600 125,456 Oct 2018
1438 ks.gov 8.36/10 - - Jan 2019
1439 lanacion.com.ar 8.36/10 134,800 194,950 Nov 2021
1440 ua.edu 8.36/10 76,300 9,473 Oct 2018
1441 plannedparenthood.org 8.36/10 1,044,300 210,140 Nov 2018
1442 healthit.gov 8.36/10 120,200 8,628 Aug 2024
1443 unt.edu 8.36/10 188,400 26,607 Jan 2019
1444 ne.gov 8.36/10 71 79 Nov 2018
1445 uow.edu.au 8.36/10 22,800 15,138 Oct 2018
1446 audubon.org 8.36/10 1,177,200 146,667 Mar 2020
1447 uqam.ca 8.36/10 1,100 355 Oct 2018
1448 fukuoka.lg.jp 8.36/10 - - Aug 2022
1449 wroc.pl 8.36/10 - - Jan 2019
1450 ufmg.br 8.36/10 3,300 1,765 Oct 2018
1451 pref.aichi.jp 8.36/10 440 254 Aug 2022
1452 rmit.edu.au 8.36/10 10,700 16,187 Oct 2018
1453 nic.ru 8.35/10 650 418 Oct 2018
1454 cyberbullying.org 8.35/10 5,900 4,026 Feb 2019
1455 childhelp.org 8.35/10 570 936 Oct 2019
1456 affirm.com 8.35/10 127,400 44,590 Aug 2025
1457 maven.org 8.35/10 - 4 Mar 2022
1458 thebalancemoney.com 8.35/10 181,600 150,204 Jul 2023
1459 ecma-international.org 8.35/10 2,800 378 Feb 2021
1460 digicert.com 8.35/10 67,700 11,567 Apr 2022
1461 org.ru 8.35/10 - - Jan 2019
1462 here.com 8.35/10 15,600 9,212 Jun 2019
1463 infosecurity-magazine.com 8.35/10 9,400 10,975 Apr 2022
1464 darkreading.com 8.35/10 26,200 19,435 Oct 2018
1465 hurriyet.com.tr 8.35/10 17,800 24,779 Apr 2022
1466 kinsta.cloud 8.35/10 - - Mar 2022
1467 kew.org 8.35/10 180,000 35,250 Oct 2018
1468 metamask.io 8.35/10 215,700 16,722 Sep 2020
1469 sandiegouniontribune.com 8.35/10 305,000 252,469 Oct 2018
1470 philips.com 8.35/10 20,400 7,843 Jan 2019
1471 corporatefinanceinstitute.com 8.35/10 2,062,500 305,168 Oct 2018
1472 nspcc.org.uk 8.35/10 12,300 10,111 Jan 2022
1473 tripadvisor.de 8.35/10 20,500 17,116 Mar 2025
1474 tuwien.ac.at 8.35/10 - - Jan 2026
1475 chronicle.com 8.35/10 31,500 32,162 Apr 2022
1476 biography.com 8.35/10 3,311,700 354,493 Apr 2022
1477 artnet.com 8.35/10 391,400 65,393 Apr 2022
1478 uchile.cl 8.35/10 1,900 3,976 Oct 2018
1479 tau.ac.il 8.35/10 5,100 4,286 Jan 2019
1480 sagawa-exp.co.jp 8.35/10 1,100 384 Oct 2020
1481 suntimes.com 8.35/10 - - Oct 2018
1482 oregonlive.com 8.35/10 1,020,900 450,961 Oct 2018
1483 atpress.ne.jp 8.35/10 330 808 Mar 2024
1484 uclahealth.org 8.35/10 1,606,000 390,094 Apr 2020
1485 uni-leipzig.de 8.35/10 4,500 979 Aug 2019
1486 unimi.it 8.35/10 3,300 3,182 Jul 2019
1487 fiu.edu 8.35/10 117,900 27,551 Feb 2019
1488 tulane.edu 8.35/10 118,700 4,507 Oct 2018
1489 fes.de 8.35/10 3,200 884 Jan 2021
1490 chicago.gov 8.35/10 931,200 240,765 May 2021
1491 di.se 8.35/10 3,500 3,102 Jan 2019
1492 mq.edu.au 8.35/10 15,600 6,546 Oct 2018
1493 uv.es 8.35/10 19,100 19,126 Aug 2018
1494 langchain.com 8.34/10 8,000 7,672 Oct 2024
1495 afterpay.com 8.34/10 61,700 28,483 Jul 2019
1496 iz.ru 8.34/10 3,900 2,207 Jul 2024
1497 journaldunet.com 8.34/10 150 873 Feb 2020
1498 br.com 8.34/10 - - Jan 2019
1499 spectrumlocalnews.com 8.34/10 373,000 309,608 Jul 2022
1500 superoffice.com 8.34/10 13,300 4,077 Dec 2022

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) →

Compare reCAPTCHA

Related Security

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018