Websites Powered by Google Optimize

133,089 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

Domains observed using Google Optimize in each month's HTTP Archive crawl, Feb 2021 to Oct 2026 · peak 174,026 in Jan 2023. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 2 s INP 100 ms CLS 0 TTFB 800 ms

Median site among 39,283 Google Optimize sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 19,616
India 11,660
United Kingdom 10,689
Canada 9,812
Germany 8,571
Brazil 7,844
France 7,579
Spain 7,482

Sites using Google Optimize by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Finance and insurance 0.25% 52
Education 0.24% 151
Non-profit and religious 0.14% 15
News and media 0.14% 68
Blogs and publishing 0.13% 39
Professional services 0.12% 64
Retail 0.11% 406
Beauty and wellness 0.08% 24
Real estate 0.08% 62
Home and construction 0.08% 46
Healthcare 0.07% 93
Software and apps 0.07% 105

Share of each industry's websites with a detected stack that use Google Optimize; industries come from what sites declare in their own structured data.

Top sites by authority

9+ 4% · 15 of 372 sites
8+ 1% · 112 of 7,677 sites
7+ <1% · 356 of 45,712 sites
6+ <1% · 620 of 110,136 sites
5+ <1% · 982 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

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
5501 enricogamba.org 1.60/10 - - Dec 2021
5502 covidreliefmt.org 1.60/10 - - Feb 2021
5503 formorrow.nl 1.60/10 - - Jul 2022
5504 condofy.com.br 1.60/10 - - Apr 2021
5505 arttowngifts.com 1.60/10 27 115 May 2021
5506 ontariomould.ca 1.60/10 - - Aug 2022
5507 swia.com.au 1.60/10 - - Nov 2022
5508 eluxuryhome.com.au 1.60/10 - - Aug 2022
5509 alpha1999.jp 1.60/10 - - Feb 2021
5510 nyrelle.com 1.59/10 - - Aug 2022
5511 estrellatupete.com 1.59/10 - - Oct 2022
5512 creativebenefits.co.uk 1.59/10 - - Feb 2022
5513 abrsesta.com 1.59/10 120 10 Nov 2021
5514 raqtan.com 1.59/10 - - Feb 2021
5515 laxtons.com 1.59/10 - - Apr 2022
5516 officedepot.com.hn 1.59/10 - - Aug 2021
5517 coens.io 1.59/10 - - Jun 2022
5518 getringo.com 1.59/10 - - Jul 2023
5519 biznexus.com 1.59/10 7 26 Mar 2022
5520 brombal.ca 1.59/10 77 89 Aug 2023
5521 copen-college.com 1.59/10 - - Jun 2021
5522 kobra.red 1.59/10 - - Jun 2023
5523 thannal.com 1.59/10 - - Mar 2024
5524 kowality.com 1.59/10 - - Jul 2022
5525 innocentistrings.com 1.59/10 - - Jul 2022
5526 slamt1d.org 1.59/10 - - Oct 2022
5527 condolux.net 1.59/10 - - Feb 2021
5528 jjffh.com 1.59/10 - - Jun 2021
5529 sampel.com.br 1.59/10 - - Jan 2022
5530 dualdraw.com 1.59/10 - - Mar 2022
5531 gatewaywoods.org 1.59/10 - - Aug 2022
5532 yuigon.jp 1.59/10 - - May 2021
5533 interiomobili.pl 1.59/10 - - Oct 2021
5534 franklinhotelrome.it 1.59/10 - - Aug 2022
5535 ajnext.com 1.58/10 - - Jul 2022
5536 lieblingsfliese.de 1.58/10 - - Feb 2021
5537 hogstaridsport.com 1.58/10 - - Jun 2022
5538 wittmore.com 1.58/10 - - Apr 2022
5539 bhnextras.co.uk 1.58/10 27 46 Jul 2026
5540 abs-rz.de 1.58/10 - - Jun 2025
5541 intertronix.com 1.58/10 - - Jul 2023
5542 reboot01.com 1.58/10 - - Feb 2023
5543 miskakarmy.pl 1.58/10 - - Dec 2022
5544 weezmo.com 1.58/10 - - Mar 2023
5545 bilis.com 1.58/10 10 53 Jun 2022
5546 parceiropetz.com.br 1.58/10 - - Oct 2021
5547 nugo.cz 1.58/10 - - Jul 2021
5548 bikebling.com 1.58/10 5,500 6,918 Oct 2026
5549 cabotshores.com 1.58/10 250 252 Jun 2023
5550 xn--gab-sna.se 1.58/10 - - Dec 2022
5551 ecogloves.co 1.58/10 - - Feb 2021
5552 teachers-i.org 1.58/10 - - Feb 2021
5553 apspersoneel.nl 1.58/10 - - Mar 2022
5554 restock.com.au 1.58/10 - - Sep 2022
5555 izybaby.fr 1.58/10 - - Jan 2023
5556 uzusado.jp 1.58/10 - - Jan 2023
5557 odzyskajkindergeld.pl 1.58/10 - - Jun 2021
5558 fmatitude.com.br 1.58/10 - - Aug 2023
5559 osteogen.com 1.57/10 - - Oct 2026
5560 jet-partners.ru 1.57/10 - - Jul 2021
5561 melnykoff.com 1.57/10 - - Jan 2022
5562 recoveryshop.com 1.57/10 - - Feb 2021
5563 airsnore.fr 1.57/10 - 2 Jan 2023
5564 augusteetlouiscondos.com 1.57/10 - 3 Sep 2022
5565 driftmotion.com 1.57/10 - - Oct 2026
5566 officedepot.com.pa 1.57/10 - - Sep 2021
5567 thebearcanread.com 1.57/10 - - Apr 2023
5568 samuel.associates 1.57/10 - - Aug 2022
5569 yally.be 1.57/10 - - Nov 2022
5570 prosolutionsdirect.com 1.57/10 - - Feb 2021
5571 synergieskin.nl 1.57/10 - - Jun 2023
5572 getpublish.org 1.57/10 - - Feb 2021
5573 investarindia.com 1.57/10 - - Oct 2022
5574 seniorsalg.dk 1.57/10 - - Mar 2022
5575 camsex.life 1.57/10 - - Apr 2022
5576 curia.coop 1.57/10 - - May 2021
5577 insulcon.nl 1.57/10 - - Aug 2022
5578 topfitsuikervrij.nl 1.57/10 - - May 2022
5579 theyarnattic.com 1.57/10 - - Jul 2023
5580 eletricista24hs.com.br 1.57/10 - - Feb 2021
5581 artemidaspatanews.gr 1.57/10 - 2 Oct 2024
5582 tsumagashima-mujinto.jp 1.57/10 - - May 2023
5583 hdmoviesource.com 1.57/10 - - Oct 2021
5584 kershkicks.co.uk 1.57/10 - - Apr 2023
5585 develgendokter.nl 1.57/10 - - Feb 2022
5586 mandyslaundry.com 1.56/10 - - Nov 2022
5587 learnlikenastya.com 1.56/10 - - Aug 2022
5588 marriageduniya.com 1.56/10 - - Sep 2022
5589 tosouyasan12.net 1.56/10 - - Apr 2023
5590 crvftco.com 1.56/10 - - Dec 2022
5591 paulabressann.com.br 1.56/10 - - Feb 2021
5592 olifefood.com 1.56/10 - - Aug 2022
5593 nizacars.com 1.56/10 - - Oct 2022
5594 sculpto.dk 1.56/10 - - Apr 2026
5595 danglerfuneralhomes.com 1.56/10 - - Aug 2021
5596 lownes.com 1.56/10 - - Jun 2021
5597 comiru.co 1.56/10 - - Jul 2025
5598 nestwellpropertymanagement.com 1.56/10 - - Feb 2021
5599 klinkerszoetwaren.shop 1.56/10 - - Dec 2022
5600 sensaria.com 1.56/10 - - Dec 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) →

Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).

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