Websites Powered by AB Tasty
5,414 websites tracked using AB Tasty (A/B Testing) · www.abtasty.com
AB Tasty is a tool for running A/B and multivariate experiments to compare page variants. Its official site is abtasty.com. PoweredBy tracks the websites that use AB Tasty across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the a/b testing ecosystem.
Usage trend
1K
2K
3K
4K
Feb 2021
Jun 2022
Oct 2023
Feb 2025
Jun 2026
Domains observed using AB Tasty in each month's HTTP Archive crawl,
Feb 2021 to Jun 2026 · peak 3,447 in Mar 2026. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2 s
INP 125 ms
CLS 0
TTFB 800 ms
Median site among 3,547 AB Tasty sites with Chrome UX data, p75 values, Jun 2026.
Top countries
France
2,078
United States
2,041
United Kingdom
1,901
Germany
1,643
Spain
1,604
Canada
1,557
Netherlands
1,413
India
1,406
Sites using AB Tasty by audience country, Chrome UX Report.
Top sites by authority
9+
2% · 7 of 372 sites
8+
1% · 97 of 7,677 sites
7+
<1% · 299 of 45,712 sites
6+
<1% · 551 of 110,136 sites
5+
<1% · 863 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running AB Tasty in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using AB Tasty
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | blogspot.com | 9.39/10 | - | - | Mar 2021 |
| 2 | ca.gov | 9.23/10 | 1,457,100 | 28,722 | Oct 2025 |
| 3 | mit.edu | 9.18/10 | 161,200 | 27,360 | Apr 2022 |
| 4 | myshopify.com | 9.12/10 | - | - | Feb 2021 |
| 5 | zendesk.com | 9.10/10 | 416,900 | 60,938 | Mar 2021 |
| 6 | telegraph.co.uk | 9.04/10 | 700,500 | 680,508 | Feb 2025 |
| 7 | gartner.com | 9.02/10 | 521,600 | 122,476 | Feb 2024 |
| 8 | booking.com | 8.95/10 | 13,584,300 | 2,384,931 | Mar 2024 |
| 9 | lefigaro.fr | 8.95/10 | 18,400 | 38,648 | Feb 2021 |
| 10 | brevo.com | 8.84/10 | 36,700 | 8,656 | Jul 2025 |
| 11 | ouest-france.fr | 8.84/10 | 53,500 | 79,938 | Aug 2022 |
| 12 | leparisien.fr | 8.79/10 | 20,200 | 35,048 | Feb 2021 |
| 13 | lesechos.fr | 8.79/10 | 8,900 | 14,217 | Feb 2021 |
| 14 | osu.edu | 8.76/10 | 163,600 | 14,045 | Sep 2023 |
| 15 | nielsen.com | 8.75/10 | 89,300 | 35,566 | Feb 2025 |
| 16 | smugmug.com | 8.73/10 | 5,100 | 2,968 | Feb 2026 |
| 17 | softbank.jp | 8.72/10 | 812,900 | 156,175 | Sep 2023 |
| 18 | docomo.ne.jp | 8.71/10 | 4,100 | 2,896 | Aug 2023 |
| 19 | metmuseum.org | 8.68/10 | 1,968,500 | 358,584 | Jul 2025 |
| 20 | overheid.nl | 8.68/10 | 690 | 96 | Apr 2025 |
| 21 | belastingdienst.nl | 8.66/10 | 8,000 | 4,693 | Mar 2021 |
| 22 | finra.org | 8.65/10 | 719,000 | 188,731 | May 2024 |
| 23 | newscientist.com | 8.65/10 | 337,300 | 175,181 | May 2021 |
| 24 | uq.edu.au | 8.65/10 | 9,700 | 1,554 | Nov 2023 |
| 25 | travail-emploi.gouv.fr | 8.64/10 | 1,700 | 1,841 | Jun 2024 |
| 26 | acast.com | 8.62/10 | 650 | 212 | Jan 2023 |
| 27 | teamtailor.com | 8.59/10 | 360 | 380 | Apr 2026 |
| 28 | meltwater.com | 8.59/10 | 53,200 | 18,365 | Dec 2022 |
| 29 | krakow.pl | 8.59/10 | 690 | 649 | Apr 2026 |
| 30 | sa.com | 8.58/10 | - | - | Sep 2022 |
| 31 | prestashop.com | 8.58/10 | 1,300 | 2,024 | Feb 2021 |
| 32 | service-public.gouv.fr | 8.57/10 | 27,100 | 10,448 | Nov 2025 |
| 33 | sudouest.fr | 8.57/10 | 12,100 | 26,518 | Jan 2025 |
| 34 | accor.com | 8.55/10 | - | - | Apr 2025 |
| 35 | fullstory.com | 8.54/10 | 41,100 | 5,665 | Jan 2024 |
| 36 | ubisoft.com | 8.53/10 | 983,500 | 199,233 | Apr 2022 |
| 37 | nrdc.org | 8.53/10 | 239,700 | 90,905 | Nov 2023 |
| 38 | vwo.com | 8.51/10 | 18,200 | 5,434 | Jun 2026 |
| 39 | nzherald.co.nz | 8.51/10 | 214,600 | 228,829 | Sep 2023 |
| 40 | latribune.fr | 8.51/10 | 1,600 | 3,943 | Jun 2025 |
| 41 | lexisnexis.com | 8.50/10 | 76,100 | 28,115 | Nov 2024 |
| 42 | auone.jp | 8.49/10 | - | - | Aug 2023 |
| 43 | franceinfo.fr | 8.49/10 | 22,100 | 14,185 | Jun 2025 |
| 44 | tno.nl | 8.48/10 | 4,400 | 2,178 | Sep 2023 |
| 45 | patagonia.com | 8.47/10 | 1,257,300 | 310,910 | Oct 2023 |
| 46 | leprogres.fr | 8.47/10 | 2,800 | 8,672 | Feb 2021 |
| 47 | logitech.com | 8.45/10 | 690,100 | 162,287 | Jan 2025 |
| 48 | laposte.fr | 8.44/10 | 16,300 | 4,767 | Feb 2021 |
| 49 | tate.org.uk | 8.44/10 | 721,100 | 81,293 | Feb 2021 |
| 50 | sky.it | 8.38/10 | 750 | 789 | Mar 2026 |
| 51 | newsday.com | 8.37/10 | 318,900 | 272,478 | Feb 2021 |
| 52 | plannedparenthood.org | 8.36/10 | 1,044,300 | 210,140 | Feb 2021 |
| 53 | tf1.fr | 8.36/10 | 38,600 | 11,800 | Feb 2021 |
| 54 | tf1info.fr | 8.35/10 | 13,300 | 21,045 | Aug 2022 |
| 55 | suntimes.com | 8.35/10 | - | - | Jun 2024 |
| 56 | moncompteformation.gouv.fr | 8.31/10 | 430 | 446 | Jun 2022 |
| 57 | alamy.com | 8.30/10 | 2,323,200 | 3,353,709 | Feb 2024 |
| 58 | exeter.ac.uk | 8.30/10 | 19,000 | 11,669 | Feb 2021 |
| 59 | goto.com | 8.29/10 | 100,300 | 21,324 | Aug 2023 |
| 60 | habitat.org | 8.29/10 | 919,300 | 205,219 | Feb 2024 |
| 61 | dmm.com | 8.28/10 | 130 | 101 | Jul 2024 |
| 62 | metricool.com | 8.27/10 | 47,100 | 38,377 | Dec 2025 |
| 63 | americanaddictioncenters.org | 8.27/10 | 440,600 | 121,130 | Feb 2021 |
| 64 | amnh.org | 8.27/10 | 1,096,500 | 135,384 | Sep 2023 |
| 65 | suse.com | 8.26/10 | 8,100 | 6,755 | Feb 2021 |
| 66 | earthlink.net | 8.26/10 | 135,700 | 29,705 | Jan 2024 |
| 67 | abtasty.com | 8.25/10 | 11,400 | 2,405 | Feb 2021 |
| 68 | confluent.io | 8.25/10 | 78,000 | 5,981 | May 2025 |
| 69 | croix-rouge.fr | 8.24/10 | 830 | 769 | Feb 2021 |
| 70 | seagate.com | 8.23/10 | 153,400 | 53,537 | Jul 2025 |
| 71 | beatport.com | 8.21/10 | 65,100 | 56,557 | Feb 2025 |
| 72 | topuniversities.com | 8.20/10 | 1,276,000 | 138,678 | Feb 2025 |
| 73 | skift.com | 8.18/10 | 45,700 | 30,828 | May 2024 |
| 74 | wwf.org.uk | 8.16/10 | 272,500 | 41,647 | Sep 2023 |
| 75 | wfu.edu | 8.16/10 | 12,200 | 7,427 | Dec 2025 |
| 76 | doctissimo.fr | 8.16/10 | 3,100 | 7,178 | Jun 2022 |
| 77 | au.com | 8.15/10 | 3,100 | 1,693 | Jan 2024 |
| 78 | postnl.nl | 8.15/10 | 3,700 | 5,018 | May 2023 |
| 79 | corsair.com | 8.14/10 | 651,200 | 134,644 | Apr 2026 |
| 80 | telefonica.com | 8.14/10 | 36,300 | 15,597 | Jan 2024 |
| 81 | imd.org | 8.13/10 | 72,300 | 30,194 | Apr 2024 |
| 82 | tvn24.pl | 8.12/10 | 6,700 | 6,494 | Jun 2023 |
| 83 | la-croix.com | 8.11/10 | 3,100 | 7,560 | Feb 2021 |
| 84 | leetchi.com | 8.07/10 | 180 | 221 | Feb 2021 |
| 85 | mybigcommerce.com | 8.06/10 | - | - | Oct 2022 |
| 86 | seetickets.com | 8.06/10 | 13,100 | 9,815 | Mar 2024 |
| 87 | puma.com | 8.06/10 | - | - | Sep 2023 |
| 88 | freee.co.jp | 8.06/10 | 5 | 17 | Dec 2023 |
| 89 | eurosport.fr | 8.05/10 | 5,500 | 8,660 | Feb 2021 |
| 90 | estrepublicain.fr | 8.05/10 | 3,400 | 7,585 | Feb 2021 |
| 91 | moneysavingexpert.com | 8.04/10 | 96,700 | 89,689 | May 2026 |
| 92 | ledger.com | 8.03/10 | 91,300 | 15,850 | Jun 2023 |
| 93 | openvpn.net | 8.02/10 | 37,100 | 27,844 | Sep 2023 |
| 94 | razer.com | 8.01/10 | 463,900 | 129,934 | Oct 2022 |
| 95 | gupy.io | 8.01/10 | 1,100 | 512 | Apr 2021 |
| 96 | hulu.jp | 8.01/10 | 10,800 | 732 | Nov 2023 |
| 97 | caissedesdepots.fr | 8.00/10 | 440 | 194 | Mar 2021 |
| 98 | mews.com | 7.98/10 | 17,200 | 6,951 | Mar 2025 |
| 99 | gobankingrates.com | 7.98/10 | 332,000 | 213,980 | Apr 2022 |
| 100 | dpd.com | 7.97/10 | 15,800 | 7,660 | Feb 2021 |
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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