Websites Powered by Cloudflare
18,435,844 websites tracked using Cloudflare (CDN) · www.cloudflare.com
Cloudflare is a global content delivery network and security provider that sits in front of websites to speed up delivery and block malicious traffic. It offers caching, DDoS protection, a web application firewall, and DNS services. Cloudflare is one of the most widely used CDNs and is typically identified from its response headers.
Usage trend
2M
4M
6M
Apr 2018
May 2020
Jun 2022
Jul 2024
Aug 2026
Domains observed using Cloudflare in each month's HTTP Archive crawl,
Apr 2018 to Aug 2026 · peak 5,388,256 in Aug 2026. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.9 s
INP 75 ms
CLS 0
TTFB 700 ms
Median site among 4,905,191 Cloudflare sites with Chrome UX data, p75 values, Aug 2026.
Top countries
United States
1,438,078
India
566,121
United Kingdom
460,600
Brazil
429,245
Germany
354,073
Canada
336,601
Japan
335,818
France
321,551
Sites using Cloudflare by audience country, Chrome UX Report.
Top sites by authority
9+
65% · 242 of 372 sites
8+
69% · 5,321 of 7,677 sites
7+
62% · 28,566 of 45,712 sites
6+
57% · 63,175 of 110,136 sites
5+
49% · 122,061 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Cloudflare in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Cloudflare
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 501 | gizmodo.com | 8.82/10 | 789,000 | 513,208 | May 2020 |
| 502 | ey.com | 8.82/10 | 243,500 | 104,187 | Nov 2021 |
| 503 | youradchoices.ca | 8.82/10 | 63 | 78 | May 2022 |
| 504 | aarp.org | 8.82/10 | 1,984,100 | 653,556 | Aug 2018 |
| 505 | asu.edu | 8.82/10 | 144,700 | 4,208 | Apr 2018 |
| 506 | maryland.gov | 8.82/10 | 173,300 | 7,828 | Nov 2018 |
| 507 | cnrs.fr | 8.82/10 | 4,300 | 2,992 | May 2022 |
| 508 | virginia.gov | 8.82/10 | 339,900 | 20,933 | May 2022 |
| 509 | mass.gov | 8.82/10 | 3,564,100 | 1,351,010 | Jun 2019 |
| 510 | bitbucket.org | 8.81/10 | 19,400 | 2,274 | Sep 2024 |
| 511 | it.com | 8.81/10 | - | - | Jul 2021 |
| 512 | owasp.org | 8.81/10 | 69,200 | 29,196 | Apr 2020 |
| 513 | engadget.com | 8.81/10 | 626,600 | 409,586 | Dec 2023 |
| 514 | aol.com | 8.81/10 | 5,489,500 | 5,207,079 | Oct 2018 |
| 515 | perplexity.ai | 8.81/10 | 752,700 | 72,065 | Feb 2023 |
| 516 | lww.com | 8.81/10 | 12,200 | 1,642 | Aug 2020 |
| 517 | rollingstone.com | 8.81/10 | 3,889,800 | 1,225,881 | Dec 2020 |
| 518 | euronews.com | 8.81/10 | 349,500 | 218,199 | May 2022 |
| 519 | aljazeera.com | 8.81/10 | 2,602,600 | 601,305 | Oct 2021 |
| 520 | nber.org | 8.81/10 | 105,600 | 83,792 | Jan 2024 |
| 521 | mpg.de | 8.81/10 | 59,700 | 20,903 | Nov 2021 |
| 522 | undp.org | 8.81/10 | 220,100 | 57,922 | Aug 2018 |
| 523 | colorado.gov | 8.81/10 | 81,400 | 12,781 | Mar 2020 |
| 524 | ecfr.gov | 8.81/10 | 425,200 | 227,467 | Jun 2020 |
| 525 | hud.gov | 8.81/10 | 610,800 | 65,061 | May 2022 |
| 526 | ada.gov | 8.81/10 | 376,200 | 136,874 | Apr 2024 |
| 527 | nejm.org | 8.81/10 | 541,200 | 217,655 | Aug 2018 |
| 528 | stores.jp | 8.81/10 | 75 | 236 | Jan 2019 |
| 529 | utoronto.ca | 8.81/10 | 42,800 | 10,094 | Aug 2018 |
| 530 | zeit.de | 8.81/10 | 13,300 | 15,974 | May 2022 |
| 531 | soumu.go.jp | 8.81/10 | 1,000 | 724 | Mar 2023 |
| 532 | eia.gov | 8.81/10 | 1,059,200 | 193,687 | Mar 2026 |
| 533 | kakao.com | 8.80/10 | 51 | 39 | Aug 2022 |
| 534 | gumroad.com | 8.80/10 | 14,100 | 9,120 | Apr 2018 |
| 535 | squareup.com | 8.80/10 | 1,029,000 | 164,769 | Oct 2021 |
| 536 | ycombinator.com | 8.80/10 | 311,800 | 53,954 | Aug 2018 |
| 537 | forrester.com | 8.80/10 | 19,100 | 14,438 | Aug 2022 |
| 538 | fc2.com | 8.80/10 | 5,100 | 10 | Oct 2021 |
| 539 | dev.to | 8.80/10 | 426,400 | 504,610 | Apr 2018 |
| 540 | pcmag.com | 8.80/10 | 4,648,500 | 1,097,766 | Apr 2019 |
| 541 | oaic.gov.au | 8.80/10 | 4,700 | 3,485 | Oct 2021 |
| 542 | seznam.cz | 8.80/10 | 11,300 | 1,169 | Oct 2021 |
| 543 | slate.com | 8.80/10 | 1,036,100 | 429,509 | Jan 2021 |
| 544 | shrm.org | 8.80/10 | 338,100 | 114,977 | Sep 2020 |
| 545 | redcross.org | 8.80/10 | 2,363,400 | 433,255 | Feb 2022 |
| 546 | sfu.ca | 8.80/10 | 210,600 | 61,463 | May 2022 |
| 547 | utah.gov | 8.80/10 | 129,900 | 27,432 | Apr 2020 |
| 548 | in.gov | 8.80/10 | 3,076,000 | 1,001,546 | Aug 2018 |
| 549 | generatepress.com | 8.79/10 | 2,200 | 5,273 | Jun 2021 |
| 550 | bitly.com | 8.79/10 | 133,500 | 16,485 | Oct 2018 |
| 551 | ipsos.com | 8.79/10 | 23,800 | 18,825 | May 2021 |
| 552 | teamviewer.com | 8.79/10 | 251,100 | 26,876 | Jun 2018 |
| 553 | about.me | 8.79/10 | 81,200 | 59,807 | Dec 2020 |
| 554 | tally.so | 8.79/10 | 23,000 | 6,866 | May 2021 |
| 555 | nikkei.com | 8.79/10 | 1,900 | 2,469 | Sep 2020 |
| 556 | khanacademy.org | 8.79/10 | 10,214,400 | 2,037,764 | Oct 2020 |
| 557 | unfccc.int | 8.79/10 | 226,500 | 80,909 | Jul 2022 |
| 558 | hrw.org | 8.79/10 | 759,300 | 96,371 | Oct 2021 |
| 559 | fraunhofer.de | 8.79/10 | 2,900 | 3,059 | May 2022 |
| 560 | cancer.org | 8.79/10 | 1,616,500 | 291,235 | Aug 2018 |
| 561 | hopkinsmedicine.org | 8.79/10 | 9,812,100 | 1,276,317 | Nov 2021 |
| 562 | leparisien.fr | 8.79/10 | 20,200 | 35,048 | May 2022 |
| 563 | lesechos.fr | 8.79/10 | 8,900 | 14,217 | Oct 2021 |
| 564 | uzh.ch | 8.79/10 | 7,800 | 3,263 | Nov 2021 |
| 565 | nsf.gov | 8.79/10 | 351,800 | 109,183 | May 2022 |
| 566 | playstation.com | 8.78/10 | 5,277,700 | 668,998 | Oct 2021 |
| 567 | devowl.io | 8.78/10 | 170 | 641 | Mar 2021 |
| 568 | thinkwithgoogle.com | 8.78/10 | 22,200 | 10,001 | Aug 2022 |
| 569 | glassdoor.com | 8.78/10 | 7,266,400 | 4,330,902 | Jun 2018 |
| 570 | stackexchange.com | 8.78/10 | 3,500 | 711 | May 2022 |
| 571 | hp.com | 8.78/10 | 2,701,800 | 494,419 | Nov 2020 |
| 572 | t-online.de | 8.78/10 | 14,400 | 18,405 | Oct 2019 |
| 573 | itch.io | 8.78/10 | 600,200 | 201,556 | Apr 2018 |
| 574 | technologyreview.com | 8.78/10 | 78,000 | 70,427 | Feb 2022 |
| 575 | calameo.com | 8.78/10 | 8,700 | 28,770 | Oct 2018 |
| 576 | amazon.it | 8.78/10 | 17,000 | 44,909 | Nov 2024 |
| 577 | mn.gov | 8.78/10 | 964,200 | 281,325 | May 2022 |
| 578 | unep.org | 8.78/10 | 189,100 | 71,991 | Oct 2018 |
| 579 | georgetown.edu | 8.78/10 | 138,100 | 27,817 | Feb 2020 |
| 580 | pa.gov | 8.78/10 | 3,838,500 | 1,368,223 | May 2022 |
| 581 | msu.edu | 8.78/10 | 149,500 | 2,641 | Jan 2019 |
| 582 | michigan.gov | 8.78/10 | 3,521,000 | 1,176,642 | Oct 2021 |
| 583 | welt.de | 8.78/10 | 13,000 | 17,191 | May 2022 |
| 584 | mext.go.jp | 8.78/10 | 1,300 | 1,556 | Nov 2022 |
| 585 | odoo.com | 8.77/10 | 63,000 | 27,307 | Nov 2021 |
| 586 | sproutsocial.com | 8.77/10 | 356,500 | 79,831 | Oct 2018 |
| 587 | wpenginepowered.com | 8.77/10 | - | - | Aug 2022 |
| 588 | eu.com | 8.77/10 | - | - | Jun 2018 |
| 589 | adweek.com | 8.77/10 | 181,200 | 156,158 | May 2022 |
| 590 | kpmg.com | 8.77/10 | 125,800 | 81,369 | Nov 2021 |
| 591 | asana.com | 8.77/10 | 542,100 | 89,414 | Dec 2020 |
| 592 | uber.com | 8.77/10 | 2,357,500 | 481,915 | Dec 2020 |
| 593 | gitbook.io | 8.77/10 | - | - | Jan 2020 |
| 594 | smithsonianmag.com | 8.77/10 | 1,783,900 | 509,308 | Sep 2020 |
| 595 | unhcr.org | 8.77/10 | 178,800 | 55,400 | Dec 2018 |
| 596 | gouv.qc.ca | 8.77/10 | - | - | Aug 2018 |
| 597 | ourworldindata.org | 8.77/10 | 449,100 | 218,519 | Apr 2018 |
| 598 | bu.edu | 8.77/10 | 813,200 | 295,729 | Sep 2020 |
| 599 | usembassy.gov | 8.77/10 | 109,000 | 24,898 | Oct 2021 |
| 600 | dreamhost.com | 8.76/10 | 34,700 | 11,767 | Aug 2018 |
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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