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

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

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
4101 casavidrobrasil.com.br 0.70/10 - - Sep 2024
4102 cascadiacremation.com 0.40/10 - - Sep 2021
4103 caseworld.gr - - - Dec 2023
4104 caseyhalwighartle.com 0.45/10 - - Jun 2021
4105 cashgate.ch 3.22/10 - - Jul 2021
4106 cashier-pos.com 3.52/10 - - Aug 2022
4107 casinolobby.info 1.53/10 - - Nov 2021
4108 casiraghi.com.ar 0.26/10 - - Jul 2021
4109 caskata.com 3.14/10 - - Jan 2023
4110 caspianinsurance.co.uk 3.26/10 - - Feb 2021
4111 castle.co.uk 1.83/10 - - Feb 2022
4112 castleforbescollege.com 1.36/10 - - Feb 2021
4113 castordoc.com 4.50/10 - - Aug 2023
4114 casualdreamydates.com - - - May 2023
4115 casualfreedates.com - - - Oct 2022
4116 casule.com 0.84/10 - - Mar 2022
4117 casushi.com 2.71/10 - - Feb 2022
4118 cataraquicemetery.ca 1.87/10 - - Jun 2022
4119 catboxclassics.com 1.11/10 - - Nov 2022
4120 catcat.bet 0.26/10 - - Sep 2024
4121 catchitenglish.com 1.32/10 - - Jul 2021
4122 catconverterprotection.com 0.29/10 - - Oct 2022
4123 caterway.nz 0.24/10 - - Aug 2022
4124 catholink.ph 0.79/10 - - Aug 2022
4125 catricalafuneralhome.com 1.65/10 - - Jul 2021
4126 cattletags.com 2.62/10 - - May 2021
4127 catusharmakkar.com 1.19/10 - - Mar 2024
4128 cauverybusiness.in - - - Oct 2024
4129 cbdoazis.hu 0.98/10 - - Jun 2021
4130 cbdthinker.com 2.00/10 - - Oct 2021
4131 cblshopjm.com - - - Feb 2023
4132 cbsacademycarolacarino.com 0.11/10 - - Nov 2022
4133 cbtis236.edu.mx 0.45/10 - - Mar 2023
4134 ccbtechnology.com 3.17/10 - - Feb 2021
4135 ccd-thailand.org 1.00/10 - - Mar 2021
4136 ccmoveisparasalao.com.br 0.38/10 - - Sep 2022
4137 ccozarks.org 3.43/10 - - Oct 2021
4138 ccrofficial.org 0.23/10 - - Mar 2024
4139 ccxcloud.io 2.60/10 - - May 2023
4140 cdagarbage.com 0.77/10 - - Jul 2021
4141 cdgtraining.com 1.90/10 - - Mar 2024
4142 cdn-tera.co.jp 3.21/10 - - Dec 2021
4143 cdslogistics.com 0.74/10 - - May 2023
4144 cedarcreek.bc.ca 4.30/10 - - Dec 2021
4145 cedarcreeklodges.com.au 3.15/10 - - Aug 2023
4146 cedarstore.com 1.68/10 - - Sep 2023
4147 cedesa.com.mx 1.46/10 - - Nov 2021
4148 ceduca.com.br 1.44/10 - - Oct 2022
4149 ceeacademy.in 1.16/10 - - Feb 2025
4150 cefad.pt 2.06/10 - - Aug 2022
4151 cefaly.com 4.38/10 - - Jun 2021
4152 cekmeceonline.com 0.10/10 - - Oct 2022
4153 celcius.no 0.93/10 - - Jun 2021
4154 celebrityborns.com 0.83/10 - - Mar 2023
4155 celgonindustria.com.br 0.71/10 - - Nov 2023
4156 celikkasa-parakasasi.com 0.62/10 - - Aug 2022
4157 celladix.jp 0.47/10 - - May 2026
4158 celladix.sg - - - Sep 2024
4159 celladix.us 0.32/10 - - Mar 2024
4160 cellarvinhos.com 1.19/10 - - Sep 2021
4161 celticdawn.co.uk 0.36/10 - - Apr 2022
4162 cembra.ch 5.58/10 120 148 Feb 2021
4163 cemsacademy.org 0.24/10 - - Oct 2024
4164 cen-wealth.com 0.75/10 - - Jun 2022
4165 centenarypoolmart.com.au 0.40/10 - - Nov 2023
4166 centracorp.co.uk 0.80/10 - - Mar 2026
4167 centraldofreezer.com.br 0.38/10 - - Oct 2022
4168 centralheating.co.nz 2.10/10 - - Feb 2021
4169 centralohiogaragedoor.com 0.46/10 - - Aug 2022
4170 centralpark.cat 0.64/10 - - Sep 2021
4171 centralstatesco.com 3.53/10 - - Aug 2025
4172 centralveterinaria.com.br 0.38/10 - - Aug 2021
4173 centroaudiologico.it 0.32/10 - - Mar 2021
4174 centroclinicobetanzos60.es 1.78/10 - - Feb 2021
4175 centrodeartecanario.com 1.00/10 - - Oct 2022
4176 centroedilesrl.com 0.10/10 - - Feb 2022
4177 centroesculapio.it 0.34/10 - - Feb 2021
4178 centrolafarga.com 1.75/10 - - Oct 2023
4179 centrum.com.hk 1.60/10 - - Oct 2024
4180 cepa21.com 3.19/10 - - Mar 2022
4181 cerave.com.sg 3.22/10 - - Apr 2024
4182 cerave.com.vn 3.41/10 - - Dec 2022
4183 ceravemy.com 2.86/10 - - Apr 2024
4184 cerealestate.com.np 0.27/10 - - Feb 2023
4185 certaintyproperty.com.au 1.26/10 - - Nov 2021
4186 certegy.com 3.50/10 - - Nov 2021
4187 certifiedtranslationeg.com 0.14/10 - - Mar 2023
4188 certiway.com.br - - - Aug 2022
4189 certo-card.ch 3.18/10 - - Sep 2022
4190 cesalsas.com.co 0.25/10 - - Aug 2022
4191 cetakkilat.com 0.28/10 - - Jan 2023
4192 cfdating.com 0.10/10 - - Mar 2022
4193 cfieducation.in 1.55/10 - - Apr 2022
4194 cfo360.co.za 1.27/10 - - Feb 2021
4195 chadwickmemorialhome.com 0.98/10 - - Jan 2022
4196 chakray.com 2.92/10 - - Jul 2021
4197 chalkola.co.uk 0.40/10 - - Jan 2023
4198 chalkola.com 2.96/10 - - Feb 2021
4199 challengeu.com 1.59/10 - - Aug 2023
4200 chambersandgrubbs.com 1.83/10 - - Jul 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.

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