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
5201 naturalchef.com 1.69/10 - - Dec 2021
5202 efile360.com 1.69/10 - - Mar 2021
5203 praiston.pl 1.69/10 - - Feb 2021
5204 lug-carrie.com 1.69/10 - - Jul 2021
5205 orquideasnoape.com.br 1.69/10 - - Feb 2021
5206 thejet.coach 1.69/10 - - Jan 2022
5207 attack.nl 1.69/10 - 3 Nov 2021
5208 doccit.se 1.69/10 - - May 2023
5209 kancelarska-zidle.cz 1.69/10 - - Mar 2022
5210 eliteextermination.com 1.69/10 - - Apr 2022
5211 dream-target.jp 1.69/10 - - Nov 2024
5212 vinci.com.br 1.69/10 - - Jul 2021
5213 bouwonline.com 1.69/10 1 14 May 2023
5214 mobelli.co.za 1.69/10 - - May 2021
5215 hitandhealth.nl 1.69/10 - - Feb 2023
5216 doogood.com.au 1.69/10 - - Aug 2022
5217 careerbuildingschool.com 1.68/10 - - Dec 2022
5218 deponti.com 1.68/10 - - Apr 2023
5219 hizume.com 1.68/10 - - Jan 2025
5220 curiousuniverse.co.uk 1.68/10 - - Jul 2021
5221 yofiit.com 1.68/10 - - Jun 2022
5222 abi-ame.com 1.68/10 97 89 Jul 2023
5223 ghenadiesontu.com 1.68/10 - - Feb 2021
5224 ambrava.be 1.68/10 - - Jul 2022
5225 zivotbezhranic.cz 1.68/10 - - Jul 2021
5226 halfourdeen.com 1.68/10 - - Oct 2021
5227 idermed.com 1.68/10 - - Feb 2021
5228 silvertowers.com 1.68/10 - - Nov 2022
5229 oofos.co.nz 1.68/10 - - Jun 2021
5230 cedarstore.com 1.68/10 - - Sep 2023
5231 coopeande1.com 1.68/10 - - Mar 2022
5232 bspol.ru 1.68/10 16 8 Sep 2021
5233 betterplaceweb.com 1.68/10 170 17 Mar 2021
5234 shoutout.vip 1.68/10 - - Feb 2021
5235 araluenestate.com.au 1.68/10 1 6 Nov 2023
5236 velocitytechsolutions.com 1.68/10 - - Feb 2021
5237 goodhabitskin.com 1.68/10 - - Oct 2021
5238 service-autoentrepreneur.fr 1.68/10 - - Sep 2021
5239 attirethestudio.com 1.68/10 10,000 286 Feb 2023
5240 imaginadigital.com 1.68/10 - - Feb 2023
5241 rockerskirack.com 1.68/10 - - Apr 2023
5242 novahouse.pl 1.68/10 - - Feb 2023
5243 opinionworld.in 1.68/10 - - Sep 2026
5244 nuganestate.com.au 1.68/10 - - Sep 2021
5245 madsenlaw.com.au 1.68/10 - - Oct 2022
5246 cupiddiaries.com 1.68/10 - - Feb 2025
5247 poojas.in 1.68/10 - - May 2026
5248 keepfy.com 1.67/10 - - Aug 2023
5249 darioconnect.com 1.67/10 - - Feb 2025
5250 fanberry.com 1.67/10 - - Dec 2022
5251 vitalreit.com 1.67/10 - - Apr 2026
5252 evolution.life 1.67/10 - - Feb 2023
5253 digloservicer.com 1.67/10 - - Aug 2022
5254 hochsitz-akademie.de 1.67/10 - - May 2021
5255 californiamediauae.com 1.67/10 - - Nov 2022
5256 maytag.mx 1.67/10 - - Oct 2022
5257 leadersmerchantservices.com 1.67/10 - - Jun 2022
5258 squawkboxes.com 1.67/10 - - Oct 2021
5259 matthewfuneralhome.com 1.67/10 - - Jun 2021
5260 miloe-sante.com 1.67/10 - - Mar 2022
5261 herbalifeuzbekistan.com 1.67/10 - - Feb 2021
5262 learhotel.co.il 1.67/10 - - Nov 2022
5263 forexcopier.com 1.67/10 - - May 2021
5264 forpay.cl 1.67/10 - - Sep 2023
5265 lancaster.com.vn 1.67/10 - - Sep 2026
5266 clipsandfasteners.com 1.67/10 - - Feb 2021
5267 trycloudy.com 1.67/10 - - Mar 2023
5268 buzzsneakers.ba 1.67/10 - - May 2023
5269 kdkanopy.com 1.67/10 - - Nov 2021
5270 moulinex.at 1.67/10 - - Feb 2021
5271 beds.co.uk 1.67/10 40 305 Jan 2025
5272 everythingattachments.com 1.67/10 - - Oct 2023
5273 empyreoffroad.com 1.67/10 - - Jun 2021
5274 komodosec.com 1.67/10 - - Feb 2022
5275 touticosmetics.com.br 1.67/10 - - Jun 2023
5276 mindsalive.ca 1.67/10 - - May 2023
5277 metallocherepica.kz 1.67/10 - - Jul 2021
5278 autopilotacademy.jp 1.67/10 - 1 Jul 2022
5279 uwtrouwringenspecialist.nl 1.67/10 - - Nov 2021
5280 tialili.com.br 1.67/10 - - Nov 2021
5281 aromaleap.com 1.66/10 320 822 Mar 2024
5282 chesscompass.com 1.66/10 - - Jan 2023
5283 vaidikgurukul.in 1.66/10 - - Mar 2024
5284 crmseguros.com.br 1.66/10 - - Feb 2024
5285 e-garderobe.com 1.66/10 - - Mar 2023
5286 nissanofauburn.com 1.66/10 - - May 2023
5287 mosimo.net 1.66/10 - - Feb 2021
5288 pandym2s.com 1.66/10 - - May 2023
5289 wiralcam.com 1.66/10 - - Jun 2021
5290 flyingpiggrooming.com 1.66/10 - - Mar 2021
5291 educonnex.education 1.66/10 - - Jul 2022
5292 kohama-tour.com 1.66/10 - - Mar 2022
5293 winefamly.se 1.66/10 - - May 2025
5294 gwestymarinehotel.co.uk 1.66/10 - - Jun 2022
5295 pinecrest-remembrance.com 1.66/10 - - Jul 2021
5296 gazebocreations.com 1.66/10 - - Sep 2023
5297 cropo.com 1.66/10 - - Sep 2021
5298 ptrco.com 1.66/10 - - Jun 2021
5299 oofos.mx 1.66/10 - - Jun 2024
5300 nyumi.com 1.66/10 - - Sep 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).

Compare Google Optimize

Related A/B Testing

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018