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
50K
100K
150K
200K
Feb 2021
Jul 2022
Dec 2023
May 2025
Oct 2026
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
| Industry | Share | Websites |
|---|---|---|
| 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
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 5601 | thinknexttraining.com | 1.56/10 | - | - | Oct 2022 |
| 5602 | brewhardware.com | 1.56/10 | 2,800 | 3,121 | Apr 2021 |
| 5603 | faces.eg | 1.56/10 | - | - | Jul 2024 |
| 5604 | shework.in | 1.56/10 | - | - | Nov 2023 |
| 5605 | credenc.com | 1.56/10 | - | - | Jul 2022 |
| 5606 | spanishincadiz.com | 1.56/10 | - | - | Mar 2021 |
| 5607 | landersfh.com | 1.56/10 | - | - | Jun 2021 |
| 5608 | lifeextensioneurope.fr | 1.56/10 | - | - | Jan 2023 |
| 5609 | goquickride.com | 1.56/10 | - | - | Feb 2021 |
| 5610 | breakthroughguitar.com | 1.56/10 | 2,100 | 2,969 | Jan 2023 |
| 5611 | films.lk | 1.56/10 | - | - | Oct 2021 |
| 5612 | redbullmobile.sa | 1.56/10 | - | - | Apr 2023 |
| 5613 | mcfarlane-roberts.ca | 1.56/10 | - | - | Jul 2021 |
| 5614 | thebetterbath.in | 1.56/10 | - | - | Jun 2022 |
| 5615 | rodicar.es | 1.56/10 | - | - | Feb 2023 |
| 5616 | formelskin.com.br | 1.56/10 | - | - | Aug 2022 |
| 5617 | rspbk.or.id | 1.56/10 | - | - | Aug 2023 |
| 5618 | acrobatforeducation.com | 1.55/10 | 1,000 | 300 | Jan 2022 |
| 5619 | kristenlonie.com | 1.55/10 | - | - | Jan 2023 |
| 5620 | dokodemo-kerja.com | 1.55/10 | - | - | Feb 2021 |
| 5621 | yarmedexpert.ru | 1.55/10 | - | - | Aug 2021 |
| 5622 | merakianalytics.com.br | 1.55/10 | - | - | Aug 2022 |
| 5623 | grupoconsultorefe.com | 1.55/10 | - | - | Feb 2021 |
| 5624 | openwage.com | 1.55/10 | - | - | Mar 2022 |
| 5625 | seniorsam.dk | 1.55/10 | - | - | Mar 2022 |
| 5626 | getfirstperson.com | 1.55/10 | - | - | Jun 2022 |
| 5627 | tribecaspirits.com | 1.55/10 | - | - | Feb 2021 |
| 5628 | vectorvest.com.au | 1.55/10 | - | - | May 2023 |
| 5629 | hobbymaster.com | 1.55/10 | - | - | Jul 2021 |
| 5630 | yukithreads.com | 1.55/10 | - | - | Feb 2022 |
| 5631 | ecomedsupply.com | 1.55/10 | - | - | Oct 2026 |
| 5632 | lumaandleaf.com | 1.55/10 | - | - | Jul 2022 |
| 5633 | audi-martinique.fr | 1.55/10 | 7 | 19 | Aug 2023 |
| 5634 | clearscraps.com | 1.55/10 | 310 | 233 | Jun 2024 |
| 5635 | solarpowersupply.de | 1.55/10 | - | - | Oct 2022 |
| 5636 | sexchat.pink | 1.55/10 | - | - | Jun 2025 |
| 5637 | holomex.com.mx | 1.55/10 | - | - | Mar 2022 |
| 5638 | latestmalaysia.com | 1.55/10 | - | - | Apr 2023 |
| 5639 | theprudentspeculator.com | 1.55/10 | - | - | Nov 2021 |
| 5640 | aka-link.net | 1.55/10 | - | - | Apr 2021 |
| 5641 | zavaletas-guitarras.com | 1.55/10 | - | - | Feb 2023 |
| 5642 | allstarbasements.com | 1.55/10 | 290 | 206 | May 2023 |
| 5643 | sport1.vn | 1.55/10 | - | - | May 2021 |
| 5644 | alamos.es | 1.55/10 | - | 4 | Dec 2022 |
| 5645 | shredz.com | 1.55/10 | - | - | Jun 2022 |
| 5646 | standtall.se | 1.55/10 | - | - | Feb 2023 |
| 5647 | linuxmint.su | 1.55/10 | - | - | Apr 2023 |
| 5648 | buchan.com | 1.55/10 | 180 | 58 | Sep 2022 |
| 5649 | estacaodosgraos.com.br | 1.55/10 | - | - | Aug 2021 |
| 5650 | globaljurix.com | 1.55/10 | - | - | Mar 2021 |
| 5651 | seventyone.be | 1.55/10 | - | - | Jul 2021 |
| 5652 | revuedelatoile.fr | 1.55/10 | - | - | Feb 2021 |
| 5653 | easycpap.com.au | 1.55/10 | - | - | May 2022 |
| 5654 | cvsltd.co.uk | 1.55/10 | - | - | Feb 2021 |
| 5655 | cfieducation.in | 1.55/10 | 190 | 357 | Apr 2022 |
| 5656 | technobearing.by | 1.55/10 | - | - | Jun 2023 |
| 5657 | ranc-clinik.ru | 1.54/10 | - | - | Jul 2022 |
| 5658 | mulheresdeperformance.com.br | 1.54/10 | - | - | Nov 2022 |
| 5659 | betterbodyequipped.com | 1.54/10 | 1,100 | 1,181 | Jul 2022 |
| 5660 | helnor.no | 1.54/10 | - | - | Nov 2022 |
| 5661 | shiticoolers.com | 1.54/10 | - | - | Sep 2023 |
| 5662 | courtfiling.net | 1.54/10 | - | - | Feb 2021 |
| 5663 | diasporalaw.com | 1.54/10 | - | - | May 2021 |
| 5664 | ripongroundcare.com | 1.54/10 | - | - | Feb 2024 |
| 5665 | ihavethepower.net | 1.54/10 | - | - | Jun 2021 |
| 5666 | ingeniousacademy.in | 1.54/10 | - | - | Jul 2025 |
| 5667 | blackrockbicycles.com | 1.54/10 | 390 | 260 | Jun 2025 |
| 5668 | physicaltherapybiz.com | 1.54/10 | - | - | Sep 2021 |
| 5669 | recoverfit.co.uk | 1.54/10 | - | - | Sep 2023 |
| 5670 | agroeducacion.com | 1.54/10 | - | 7 | Mar 2023 |
| 5671 | stelladellangelo.com | 1.54/10 | - | - | Nov 2021 |
| 5672 | evergreendentistry.ca | 1.54/10 | - | - | Oct 2022 |
| 5673 | nukumori-batake.com | 1.54/10 | - | - | Nov 2021 |
| 5674 | vinconnect.com | 1.54/10 | - | - | Sep 2026 |
| 5675 | bfbhair.com | 1.54/10 | 1,800 | 1,169 | Mar 2021 |
| 5676 | punkcase.com | 1.54/10 | - | - | Feb 2022 |
| 5677 | pinkage.co.kr | 1.54/10 | - | - | Feb 2022 |
| 5678 | orthosupply.ca | 1.54/10 | - | - | Sep 2022 |
| 5679 | detlillehotel.no | 1.54/10 | - | - | Feb 2022 |
| 5680 | missionpestcontrol.com | 1.54/10 | - | - | Jul 2021 |
| 5681 | scheibenwischer.com | 1.54/10 | - | - | Oct 2021 |
| 5682 | euro-gold-berlin.de | 1.54/10 | - | - | Feb 2022 |
| 5683 | emie-saint-germain.fr | 1.54/10 | - | - | Nov 2021 |
| 5684 | winechips.com | 1.54/10 | - | - | Apr 2023 |
| 5685 | corporatecleanservices.com | 1.54/10 | - | - | Dec 2022 |
| 5686 | oliveoilandbeyond.com | 1.54/10 | - | - | May 2022 |
| 5687 | haloart.pl | 1.54/10 | - | - | Sep 2021 |
| 5688 | anytimeonline.com.cy | 1.54/10 | - | 1 | Aug 2022 |
| 5689 | aircorpsart.com | 1.54/10 | 2,000 | 822 | Feb 2021 |
| 5690 | kundkundtc.com | 1.54/10 | - | - | May 2022 |
| 5691 | beautystoponline.com | 1.54/10 | 1,700 | 4,144 | Sep 2024 |
| 5692 | sisenoritaforster.com.au | 1.54/10 | - | - | Jul 2022 |
| 5693 | borea.es | 1.54/10 | 95 | 208 | Dec 2022 |
| 5694 | gyopao.jp | 1.54/10 | - | - | Feb 2022 |
| 5695 | tromenzlearning.com | 1.54/10 | - | - | Oct 2022 |
| 5696 | younity.in | 1.54/10 | - | - | Aug 2022 |
| 5697 | rentabox.com.br | 1.54/10 | - | - | Nov 2022 |
| 5698 | fitrmedia.com | 1.53/10 | - | - | Jan 2023 |
| 5699 | forcearkacademy.com | 1.53/10 | - | - | Mar 2024 |
| 5700 | artistsjourney.com | 1.53/10 | 460 | 389 | 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.
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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