Websites Powered by Clerk
16,170 websites tracked using Clerk (Authentication) · clerk.dev
Clerk is a authentication and identity service for signing users in. Its official site is clerk.dev. PoweredBy tracks the websites that use Clerk across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the authentication ecosystem.
Usage trend
2K
4K
6K
8K
Dec 2022
Nov 2023
Nov 2024
Oct 2025
Sep 2026
Domains observed using Clerk in each month's HTTP Archive crawl,
Dec 2022 to Sep 2026 · peak 7,363 in Sep 2026. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.5 s
INP 125 ms
CLS 0
TTFB 700 ms
Median site among 6,194 Clerk sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
2,962
India
1,955
United Kingdom
1,020
Canada
851
Brazil
836
Indonesia
710
Germany
678
France
638
Sites using Clerk by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Software and apps | 1.30% | 1,511 |
| Games | 0.35% | 17 |
| Education | 0.27% | 135 |
| Sports and fitness | 0.13% | 22 |
| Finance and insurance | 0.12% | 20 |
| Non-profit and religious | 0.10% | 8 |
| Real estate | 0.09% | 66 |
| Professional services | 0.08% | 32 |
| News and media | 0.06% | 27 |
| Arts and entertainment | 0.05% | 21 |
| Government | 0.05% | 4 |
| Legal | 0.04% | 10 |
Share of each industry's websites with a detected stack that use Clerk; industries come from what sites declare in their own structured data.
Top sites by authority
9+
<1% · 2 of 372 sites
8+
<1% · 17 of 7,677 sites
7+
<1% · 77 of 45,712 sites
6+
<1% · 132 of 110,136 sites
5+
<1% · 218 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Clerk in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Clerk
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 101 | zoosk.com | 6.53/10 | 18,700 | 16,299 | Jul 2026 |
| 102 | ijr.com | 6.52/10 | 620 | 1,114 | Jul 2026 |
| 103 | reqres.in | 6.50/10 | 1,300 | 1,151 | Aug 2025 |
| 104 | qzz.io | 6.47/10 | - | - | Jul 2026 |
| 105 | zonos.com | 6.41/10 | 8,800 | 2,898 | Jun 2024 |
| 106 | unavatar.io | 6.41/10 | 2 | 1 | Apr 2026 |
| 107 | azurecontainerapps.io | 6.40/10 | - | - | Jul 2026 |
| 108 | theblueground.com | 6.34/10 | 44,200 | 36,810 | Jun 2025 |
| 109 | goblin.tools | 6.33/10 | 7,200 | 3,321 | Sep 2026 |
| 110 | hellotars.com | 6.32/10 | 14,600 | 1,023 | Aug 2026 |
| 111 | instantdomainsearch.com | 6.31/10 | 16,700 | 2,621 | Aug 2026 |
| 112 | aisensy.com | 6.30/10 | 400 | 794 | Jul 2026 |
| 113 | howl.link | 6.27/10 | 240 | 413 | Jul 2024 |
| 114 | averi.ai | 6.26/10 | 68 | 169 | Feb 2026 |
| 115 | caredge.com | 6.25/10 | 261,000 | 150,653 | Feb 2023 |
| 116 | folderly.com | 6.24/10 | 950 | 1,014 | Oct 2025 |
| 117 | inngest.com | 6.23/10 | 1,500 | 607 | May 2025 |
| 118 | pickleheads.com | 6.23/10 | 226,900 | 37,679 | Dec 2022 |
| 119 | encore.dev | 6.21/10 | 570 | 729 | Jul 2026 |
| 120 | evolve.com | 6.19/10 | 82,500 | 81,959 | Jul 2025 |
| 121 | baggu.com | 6.15/10 | 173,600 | 22,480 | Dec 2023 |
| 122 | dutch.com | 6.11/10 | 99,200 | 42,378 | Aug 2026 |
| 123 | dash0.com | 6.10/10 | 930 | 1,406 | May 2024 |
| 124 | cerebralvalley.ai | 6.09/10 | 410 | 543 | Apr 2025 |
| 125 | dewesoft.com | 6.08/10 | 19,400 | 6,157 | May 2023 |
| 126 | tinfoil.sh | 6.07/10 | 1,100 | 9 | Jun 2025 |
| 127 | finalroundai.com | 6.02/10 | 79,500 | 28,064 | Nov 2023 |
| 128 | socialplug.io | 6.02/10 | 23,700 | 6,456 | Sep 2026 |
| 129 | checkthat.ai | 6.01/10 | - | 1 | Jan 2026 |
| 130 | recovery.com | 6.01/10 | 88,000 | 42,990 | Apr 2026 |
| 131 | calcpa.org | 6.01/10 | 16,500 | 4,193 | Mar 2026 |
| 132 | tribexr.com | 6.00/10 | 270 | 43 | Feb 2026 |
| 133 | trueup.io | 5.99/10 | 24,700 | 10,535 | Jul 2026 |
| 134 | bonjovi.com | 5.99/10 | 31,400 | 7,751 | Feb 2024 |
| 135 | cloudbet.com | 5.97/10 | 7,900 | 909 | Aug 2026 |
| 136 | passionfroot.me | 5.96/10 | 640 | 337 | Sep 2025 |
| 137 | durable.com | 5.93/10 | - | - | Feb 2026 |
| 138 | 21st.dev | 5.93/10 | 1,500 | 496 | Jan 2025 |
| 139 | copilotkit.ai | 5.90/10 | 170 | 544 | Aug 2024 |
| 140 | tembo.io | 5.87/10 | 110 | 117 | Nov 2023 |
| 141 | novu.co | 5.87/10 | 590 | 746 | Sep 2024 |
| 142 | cousinsmainelobster.com | 5.87/10 | 50,200 | 17,550 | Sep 2025 |
| 143 | nasp.com | 5.87/10 | 12,800 | 5,083 | Sep 2026 |
| 144 | diffit.me | 5.87/10 | - | - | Jun 2023 |
| 145 | namespace.so | 5.86/10 | 520 | 69 | Dec 2022 |
| 146 | yomu.ai | 5.86/10 | 7,400 | 5,757 | Dec 2023 |
| 147 | varden.se | 5.84/10 | 12 | 142 | Nov 2025 |
| 148 | flora.ai | 5.83/10 | - | - | Feb 2026 |
| 149 | stockcake.com | 5.80/10 | 21,900 | 54,237 | Feb 2024 |
| 150 | vercel.sh | 5.78/10 | - | - | Sep 2026 |
| 151 | tyrens.se | 5.77/10 | 3 | 5 | Jun 2026 |
| 152 | ballysports.com | 5.76/10 | 13,800 | 7,609 | Apr 2025 |
| 153 | spur.us | 5.71/10 | 830 | 191 | Feb 2025 |
| 154 | businessfightspoverty.org | 5.68/10 | 420 | 711 | Sep 2026 |
| 155 | reka.ai | 5.65/10 | 180 | 265 | Jan 2025 |
| 156 | ev.energy | 5.65/10 | 2,800 | 434 | Aug 2026 |
| 157 | regulationasia.com | 5.63/10 | 190 | 80 | Jul 2025 |
| 158 | usti.cz | 5.63/10 | 20 | 25 | Aug 2026 |
| 159 | genei.io | 5.63/10 | 170 | 394 | Dec 2022 |
| 160 | boatsetter.com | 5.62/10 | 67,000 | 31,300 | Mar 2025 |
| 161 | mercor.com | 5.62/10 | 1,300 | 1,822 | Feb 2026 |
| 162 | possiblefinance.com | 5.61/10 | 11,800 | 3,317 | Aug 2026 |
| 163 | hunt.io | 5.60/10 | 1,200 | 577 | Aug 2026 |
| 164 | blinx.biz | 5.60/10 | 14 | 46 | Sep 2024 |
| 165 | americanmary.com | 5.59/10 | 33,500 | 751 | Mar 2023 |
| 166 | acquisition.com | 5.57/10 | 4,200 | 833 | Oct 2025 |
| 167 | vrai.com | 5.56/10 | 42,000 | 20,629 | Mar 2024 |
| 168 | zff.com | 5.56/10 | 470 | 296 | Jun 2026 |
| 169 | therighthairstyles.com | 5.53/10 | 513,900 | 111,388 | May 2024 |
| 170 | stickerit.co | 5.51/10 | 13,700 | 5,664 | Jul 2026 |
| 171 | everykidsports.org | 5.46/10 | 600 | 910 | Jul 2026 |
| 172 | draftbit.com | 5.44/10 | 400 | 345 | Feb 2026 |
| 173 | lepetitchef.com | 5.43/10 | 11,400 | 7,251 | Sep 2026 |
| 174 | un-page.org | 5.42/10 | 490 | 185 | Jun 2023 |
| 175 | alltherooms.com | 5.42/10 | 720 | 464 | May 2024 |
| 176 | sb-index.com | 5.38/10 | 110 | 12 | Dec 2025 |
| 177 | bennetts.co.uk | 5.37/10 | 37,100 | 29,254 | Jan 2024 |
| 178 | lottie.org | 5.37/10 | 1,100 | 1,666 | Aug 2025 |
| 179 | landingsite.ai | 5.36/10 | 1,400 | 1,178 | Sep 2026 |
| 180 | smartkarma.com | 5.34/10 | 38,200 | 10,669 | Aug 2026 |
| 181 | visitpembrokeshire.com | 5.33/10 | 2,600 | 559 | Mar 2025 |
| 182 | candor.co | 5.33/10 | 5,100 | 3,866 | Dec 2022 |
| 183 | dealmachine.com | 5.32/10 | 3,400 | 3,049 | Aug 2026 |
| 184 | gptgirlfriend.online | 5.32/10 | 220 | 413 | Jul 2023 |
| 185 | nordicvisitor.com | 5.32/10 | 119,200 | 23,596 | Jul 2026 |
| 186 | schematichq.com | 5.31/10 | 17 | 44 | Mar 2025 |
| 187 | campfirewriting.com | 5.31/10 | 42,600 | 6,413 | Jan 2026 |
| 188 | somedia.ch | 5.31/10 | 2 | 3 | May 2026 |
| 189 | superlaun.ch | 5.31/10 | 3 | 2 | Jul 2025 |
| 190 | moonandstars.ch | 5.31/10 | 77 | 55 | Feb 2026 |
| 191 | tolt.com | 5.30/10 | 410 | 22 | Apr 2026 |
| 192 | uploadthing.com | 5.30/10 | 75 | 302 | Jun 2023 |
| 193 | renderatl.com | 5.30/10 | 100 | 88 | Sep 2026 |
| 194 | morphllm.com | 5.30/10 | 17 | 22 | Jun 2025 |
| 195 | vinovest.co | 5.30/10 | 20,400 | 18,937 | Oct 2025 |
| 196 | chatplayground.ai | 5.29/10 | 140 | 106 | Apr 2025 |
| 197 | flux1.ai | 5.29/10 | 2,300 | 3,258 | Sep 2024 |
| 198 | cgcookie.com | 5.29/10 | 8,400 | 5,874 | Sep 2026 |
| 199 | doctronic.ai | 5.29/10 | 33,900 | 20,744 | Dec 2024 |
| 200 | chatprd.ai | 5.28/10 | 820 | 1,163 | May 2024 |
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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