Websites Powered by Google Optimize
133,646 websites tracked using Google Optimize (A/B Testing) · optimize.google.com
Google Optimize is a tool for running A/B and multivariate experiments to compare page variants. Its official site is optimize.google.com. PoweredBy tracks the websites that use Google Optimize 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
50K
100K
150K
200K
Feb 2021
Jun 2022
Oct 2023
Feb 2025
Jun 2026
Domains observed using Google Optimize in each month's HTTP Archive crawl,
Feb 2021 to Jun 2026 · peak 174,026 in Jan 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.1 s
INP 100 ms
CLS 0
TTFB 800 ms
Median site among 41,057 Google Optimize sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
22,776
India
13,736
United Kingdom
12,439
Canada
11,536
Germany
10,140
France
9,450
Brazil
8,989
Netherlands
8,660
Sites using Google Optimize by audience country, Chrome UX Report.
Top sites by authority
9+
5% · 18 of 372 sites
8+
2% · 130 of 7,677 sites
7+
<1% · 409 of 45,712 sites
6+
<1% · 723 of 110,136 sites
5+
<1% · 1,146 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Google Optimize in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Google Optimize
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 4701 | crossovermusicmagazine.com | 0.74/10 | - | - | May 2024 |
| 4702 | crossoversymmetry.com | 3.47/10 | - | - | Apr 2022 |
| 4703 | crowdcontrolstore.com | 1.65/10 | - | - | Feb 2021 |
| 4704 | crowdloan.jp | 5.43/10 | - | - | Jul 2021 |
| 4705 | crowellsfuneralhome.ca | 1.89/10 | - | - | Jul 2021 |
| 4706 | crownegarden.ph | 0.55/10 | - | - | Aug 2022 |
| 4707 | crownuniform.com | 1.80/10 | - | - | Sep 2022 |
| 4708 | crpmango.com.br | 3.53/10 | - | - | Dec 2021 |
| 4709 | crucerator.com | 0.64/10 | - | - | Feb 2021 |
| 4710 | cruisersyachts.com | 2.91/10 | - | - | May 2023 |
| 4711 | crumplepop.com | 3.34/10 | - | - | Feb 2022 |
| 4712 | cruovens.com | 0.81/10 | - | - | Oct 2023 |
| 4713 | cruworldwine.com | 1.91/10 | - | - | Mar 2021 |
| 4714 | cruzeirocolor.com.br | - | - | - | Feb 2023 |
| 4715 | crvftco.com | 1.56/10 | - | - | Dec 2022 |
| 4716 | crylink.com | 0.94/10 | - | - | May 2023 |
| 4717 | cryptomachan.com | - | - | - | Aug 2024 |
| 4718 | cryptotag.io | 3.60/10 | - | - | Mar 2022 |
| 4719 | csajokamotoron.hu | 1.82/10 | - | - | Feb 2021 |
| 4720 | cscart.biz | 0.88/10 | - | - | Jan 2023 |
| 4721 | csunitec.com | 2.96/10 | - | - | Jun 2021 |
| 4722 | cszindustrial.com | 2.83/10 | - | - | Feb 2021 |
| 4723 | ctaima.com | 2.74/10 | - | - | Oct 2022 |
| 4724 | ctalents.nl | 3.84/10 | - | - | Nov 2022 |
| 4725 | ctctech.com.br | 3.09/10 | - | - | Oct 2021 |
| 4726 | ctflearn.com | 3.99/10 | - | - | May 2021 |
| 4727 | ctpro.in | - | - | - | Jan 2026 |
| 4728 | cts-sct.ca | 4.62/10 | - | - | Feb 2022 |
| 4729 | cubeit.ca | 2.82/10 | - | - | Jun 2021 |
| 4730 | cubiclecurtainfactory.com | 1.52/10 | - | - | Feb 2021 |
| 4731 | cuboh.com | 4.53/10 | - | - | May 2021 |
| 4732 | cuddledown.co.uk | 2.05/10 | - | - | Aug 2023 |
| 4733 | cudlautosmart.com | 5.31/10 | 550 | 154 | May 2021 |
| 4734 | cuetpro.com | 1.40/10 | - | - | Feb 2025 |
| 4735 | cuidatusaludcondiane.com | 1.38/10 | - | - | Jul 2023 |
| 4736 | cuisinesdovy.fr | 1.21/10 | - | - | Jan 2023 |
| 4737 | cuissonarnhem.nl | 1.12/10 | - | - | Apr 2023 |
| 4738 | cullomeyecenter.com | 0.88/10 | - | - | Sep 2022 |
| 4739 | cultivatedculture.com | 5.35/10 | 39,200 | 10,038 | Nov 2022 |
| 4740 | cura-s.co.kr | 0.22/10 | - | - | Aug 2022 |
| 4741 | curaden-dentaldepot.ch | 4.12/10 | - | - | Feb 2021 |
| 4742 | curbio.com | 4.14/10 | - | - | May 2021 |
| 4743 | curble.co.kr | 0.42/10 | - | - | Aug 2022 |
| 4744 | curia.coop | 1.57/10 | - | - | May 2021 |
| 4745 | curiosityu.com | 2.22/10 | - | - | Feb 2024 |
| 4746 | curiouscity.in | - | - | - | Nov 2023 |
| 4747 | curiousuniverse.co.uk | 1.68/10 | - | - | Jul 2021 |
| 4748 | currentcomposites.com | 4.05/10 | - | - | Aug 2022 |
| 4749 | currentstateofbeauty.com | 0.97/10 | - | - | Jun 2023 |
| 4750 | cursocontadorindependente.com.br | - | - | - | Mar 2021 |
| 4751 | cursoh.com.br | 1.22/10 | - | - | Sep 2021 |
| 4752 | cursosalexandrerossi.com.br | 0.84/10 | - | - | Oct 2021 |
| 4753 | cursosbiomedicinapadrao.com.br | 0.70/10 | - | - | Jan 2022 |
| 4754 | cursosdz.com | - | - | - | Nov 2023 |
| 4755 | cursosholistico.com | 0.12/10 | - | - | Dec 2022 |
| 4756 | cursoterapeutafloral.com.br | 0.42/10 | - | - | Jun 2022 |
| 4757 | curtain-tracks.com | 2.51/10 | - | - | Feb 2023 |
| 4758 | curtainsdept.com.au | 2.10/10 | - | - | Apr 2023 |
| 4759 | customerglu.com | 3.16/10 | - | - | Jan 2022 |
| 4760 | customerx.cx | 1.75/10 | - | - | Jun 2022 |
| 4761 | customgardenrooms.com | 3.21/10 | - | - | Oct 2022 |
| 4762 | custominsoles.co.uk | 0.20/10 | - | - | Oct 2022 |
| 4763 | customwood.se | 2.34/10 | - | - | Jun 2023 |
| 4764 | cutestockfootage.com | 3.95/10 | - | - | Sep 2022 |
| 4765 | cutwoodshop.ru | 0.49/10 | - | - | Jun 2021 |
| 4766 | cvcheck.com | 3.45/10 | - | - | Feb 2021 |
| 4767 | cvert.ca | 1.86/10 | - | - | Apr 2024 |
| 4768 | cvguru.no | 1.77/10 | - | - | Jun 2021 |
| 4769 | cvketelactie.nl | - | - | - | Dec 2023 |
| 4770 | cvsltd.co.uk | 1.55/10 | - | - | Feb 2021 |
| 4771 | cwi-portal.com | 2.28/10 | - | - | Aug 2022 |
| 4772 | cwpanama.com | 2.97/10 | - | - | Jun 2021 |
| 4773 | cyanbirdmedia.com | 0.33/10 | - | - | Jan 2025 |
| 4774 | cyberambassador.co.in | 0.45/10 | - | - | Mar 2024 |
| 4775 | cyberclass.com.br | 1.74/10 | - | - | Dec 2021 |
| 4776 | cyberdating.net | 1.19/10 | - | - | Jul 2021 |
| 4777 | cyberevent.ro | 1.23/10 | - | - | Feb 2023 |
| 4778 | cybermetals.com | 2.09/10 | - | - | Nov 2022 |
| 4779 | cybersapiensedtech.com | - | - | - | Mar 2026 |
| 4780 | cybersecxperts.com | 0.10/10 | - | - | Jun 2026 |
| 4781 | cybertecsecurity.com | 2.89/10 | - | - | Jul 2022 |
| 4782 | cyclect.com | 1.16/10 | - | - | Jan 2023 |
| 4783 | cyclemasters.com | 1.72/10 | - | - | Jun 2021 |
| 4784 | cyclotricity.com | 1.43/10 | - | - | Aug 2023 |
| 4785 | cylinder-heads.com | 0.96/10 | - | - | Feb 2023 |
| 4786 | cynamed.com | 1.10/10 | - | - | Nov 2022 |
| 4787 | cyton.in | - | - | - | Jun 2025 |
| 4788 | d-seminar.ru | 2.37/10 | - | - | Dec 2021 |
| 4789 | daanik.com | 0.28/10 | - | - | Sep 2024 |
| 4790 | dacsanphuyen.info | 0.17/10 | - | - | Mar 2021 |
| 4791 | daehair.com | 2.79/10 | - | - | Dec 2022 |
| 4792 | daeryuk1.com | 0.11/10 | - | - | Feb 2021 |
| 4793 | dafideff.com | 0.77/10 | - | - | Feb 2021 |
| 4794 | daiko-seiki.co.jp | 1.22/10 | - | - | Mar 2024 |
| 4795 | daileyfuneralhome.com | 0.43/10 | - | - | Aug 2022 |
| 4796 | daily-living.dk | 2.44/10 | - | - | Feb 2021 |
| 4797 | daily-trial.com | 4.18/10 | - | - | Feb 2021 |
| 4798 | dailycodebuffer.in | 0.38/10 | - | - | Oct 2022 |
| 4799 | dailydrop.com | 3.67/10 | - | - | Nov 2024 |
| 4800 | dailyfiling.com | 1.47/10 | - | - | Jan 2023 |
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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