Websites Powered by Optimizely
64,980 websites tracked using Optimizely (A/B Testing) · www.optimizely.com
Optimizely is a tool for running A/B and multivariate experiments to compare page variants. Its official site is optimizely.com. PoweredBy tracks the websites that use Optimizely 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
10K
20K
30K
Apr 2018
May 2020
May 2022
Jun 2024
Jun 2026
Domains observed using Optimizely in each month's HTTP Archive crawl,
Apr 2018 to Jun 2026 · peak 29,730 in Sep 2024. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2 s
INP 100 ms
CLS 0.05
TTFB 800 ms
Median site among 31,931 Optimizely sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
28,637
Canada
7,019
India
5,573
United Kingdom
5,243
Australia
4,573
France
4,064
Germany
3,936
Spain
3,659
Sites using Optimizely by audience country, Chrome UX Report.
Top sites by authority
9+
8% · 31 of 372 sites
8+
5% · 400 of 7,677 sites
7+
3% · 1,147 of 45,712 sites
6+
2% · 1,808 of 110,136 sites
5+
1% · 2,607 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Optimizely in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Optimizely
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 5001 | b-list.co.nz | 0.80/10 | - | - | Jul 2025 |
| 5002 | babbittford.com | 0.74/10 | - | - | May 2024 |
| 5003 | babcockfuneralhome.com | 0.28/10 | - | - | Apr 2025 |
| 5004 | babsoncollaborative.org | 2.12/10 | - | - | Dec 2023 |
| 5005 | babydollpizza.com | 1.43/10 | - | - | Oct 2024 |
| 5006 | bac-us.com | 0.11/10 | - | - | May 2025 |
| 5007 | bacconashville.com | 1.48/10 | - | - | Apr 2026 |
| 5008 | bachafh.com | 1.07/10 | - | - | Mar 2023 |
| 5009 | bachelor-surber.com | 0.82/10 | - | - | Mar 2023 |
| 5010 | bachmanhebble.com | 1.25/10 | - | - | Mar 2023 |
| 5011 | bachyager.com | 0.92/10 | - | - | Mar 2023 |
| 5012 | backandneckpain.sg | 0.99/10 | - | - | Oct 2020 |
| 5013 | backbaysocial.com | 2.19/10 | - | - | Aug 2024 |
| 5014 | backdoordonuts.com | 3.20/10 | - | - | Aug 2024 |
| 5015 | backstopbarandgrill.com | 1.19/10 | - | - | Jun 2023 |
| 5016 | backyardburgers.com | 3.69/10 | - | - | Apr 2026 |
| 5017 | baconfh.com | 2.18/10 | - | - | Oct 2023 |
| 5018 | badderfuneralhomes.com | 0.40/10 | - | - | Mar 2023 |
| 5019 | badmaashla.com | 2.98/10 | - | - | Feb 2025 |
| 5020 | badoffroad.nz | - | - | - | Apr 2025 |
| 5021 | baelzna.com | 1.08/10 | - | - | Sep 2020 |
| 5022 | bagelmaster.com | 0.39/10 | - | - | Sep 2023 |
| 5023 | baggettmccall.com | 1.02/10 | - | - | May 2024 |
| 5024 | bagnatofuneralhome.com | 1.20/10 | - | - | Mar 2023 |
| 5025 | bahhurspreowned.com | 0.29/10 | - | - | Oct 2024 |
| 5026 | bahiabowls.com | 2.84/10 | - | - | Sep 2024 |
| 5027 | baierfuneralhome.com | 1.03/10 | - | - | Mar 2024 |
| 5028 | baierlacura.com | 1.04/10 | - | - | Sep 2024 |
| 5029 | baierlford.com | 0.81/10 | - | - | Jul 2024 |
| 5030 | baierlhonda.com | 0.94/10 | - | - | Sep 2024 |
| 5031 | baierlsubaru.com | 1.18/10 | - | - | May 2021 |
| 5032 | baileyautogroup.com | 0.57/10 | - | - | Jul 2024 |
| 5033 | baileyautoplaza.com | 0.60/10 | - | - | Jul 2025 |
| 5034 | baileybrosford.com | 0.39/10 | - | - | May 2024 |
| 5035 | baileycares.com | 0.78/10 | - | - | Apr 2025 |
| 5036 | baileyfuneral.com | 1.29/10 | - | - | Mar 2023 |
| 5037 | baileyfuneralhome.net | 2.78/10 | - | - | Jan 2019 |
| 5038 | baileyfunerals.org | 0.24/10 | - | - | Mar 2023 |
| 5039 | baileysmotor.net | 0.50/10 | - | - | Sep 2024 |
| 5040 | bairdfh.com | 0.29/10 | - | - | Mar 2023 |
| 5041 | bairdfuneralhomes.com | 1.60/10 | - | - | Mar 2023 |
| 5042 | bakemeacakecharlotte.com | 0.10/10 | - | - | May 2024 |
| 5043 | bakerautomotivegroup.com | 1.26/10 | - | - | Mar 2025 |
| 5044 | bakerbuickcoopersville.com | 0.29/10 | - | - | Jun 2026 |
| 5045 | bakerbuickgmchudsonville.com | 1.31/10 | - | - | Apr 2025 |
| 5046 | bakerbuickgmclowell.com | 1.30/10 | - | - | Apr 2025 |
| 5047 | bakerbuickgmcofcadillac.com | 1.30/10 | - | - | Mar 2025 |
| 5048 | bakercdjrofcadillac.com | 1.39/10 | - | - | Mar 2025 |
| 5049 | bakerchevroletofcadillac.com | 1.20/10 | - | - | Mar 2025 |
| 5050 | bakerchevyallegan.com | 1.30/10 | - | - | Apr 2025 |
| 5051 | bakerchevybuickcoopersville.com | 1.46/10 | - | - | Apr 2025 |
| 5052 | bakerchevygmcalma.com | 1.45/10 | - | - | Apr 2025 |
| 5053 | bakerchevygmcbigrapids.com | 0.95/10 | - | - | Apr 2025 |
| 5054 | bakerchevygmcsouthhaven.com | 1.46/10 | - | - | Apr 2025 |
| 5055 | bakerchevyithaca.com | 1.36/10 | - | - | Apr 2025 |
| 5056 | bakerchryslerdodgejeeprambigrapids.com | 1.16/10 | - | - | Mar 2025 |
| 5057 | bakerchryslerdodgejeepramcoopersville.com | 1.22/10 | - | - | Apr 2025 |
| 5058 | bakerchryslerdodgejeepramlowell.com | 0.47/10 | - | - | Apr 2025 |
| 5059 | bakercoopersvilleautoplaza.com | 0.26/10 | - | - | Apr 2025 |
| 5060 | bakerfordcoopersville.com | 1.26/10 | - | - | Apr 2025 |
| 5061 | bakerfordludington.com | 1.61/10 | - | - | Apr 2025 |
| 5062 | bakerfuneralberea.com | 1.09/10 | - | - | Mar 2023 |
| 5063 | bakerhazelsnider.com | 1.63/10 | - | - | Mar 2023 |
| 5064 | bakerpostfh.com | 0.71/10 | - | - | Mar 2023 |
| 5065 | bakerpreownedgrandrapids.com | 1.30/10 | - | - | Mar 2025 |
| 5066 | bakerroaddentalcare.com | 0.30/10 | - | - | Jul 2025 |
| 5067 | bakersandchefs.com.sg | 1.69/10 | - | - | Nov 2019 |
| 5068 | bakershausict.com | 0.29/10 | - | - | Oct 2024 |
| 5069 | bakerstevensparramore.com | 1.69/10 | - | - | Mar 2023 |
| 5070 | bakersvillefuneral.com | - | - | - | May 2026 |
| 5071 | baldhill.com | 0.28/10 | - | - | Sep 2024 |
| 5072 | baldhilldodgechrysler.net | 0.93/10 | - | - | Sep 2024 |
| 5073 | baldwinautomotivegroup.com | - | - | - | Aug 2024 |
| 5074 | baldwinbuickgmc.com | 0.47/10 | - | - | Sep 2024 |
| 5075 | baldwinford.com | 0.47/10 | - | - | May 2024 |
| 5076 | baldwinmotors.com | 0.73/10 | - | - | Jul 2024 |
| 5077 | baldwinsubaru.com | 1.72/10 | - | - | May 2021 |
| 5078 | balenciaga.blog | 0.26/10 | - | - | Jun 2026 |
| 5079 | balexmarine.com | 0.96/10 | - | - | Mar 2026 |
| 5080 | balisesubaru.com | 1.07/10 | - | - | Jun 2020 |
| 5081 | balisesubaruhadley.com | 0.89/10 | - | - | Jul 2025 |
| 5082 | ballaratdentalgroup.com.au | 0.78/10 | - | - | Aug 2022 |
| 5083 | ballardfamilymortuaryllc.com | 0.46/10 | - | - | Feb 2019 |
| 5084 | ballfc.com | 0.61/10 | - | - | Mar 2023 |
| 5085 | balloucdjr.com | 0.47/10 | - | - | Dec 2025 |
| 5086 | balloustotts.com | 1.31/10 | - | - | Mar 2023 |
| 5087 | baltimorechevyourisman.com | 1.15/10 | - | - | May 2024 |
| 5088 | bambinos.co.nz | 1.56/10 | - | - | Jul 2023 |
| 5089 | ban-indonesia.com | 2.78/10 | - | - | Apr 2020 |
| 5090 | bananaleafva.com | 0.10/10 | - | - | Dec 2025 |
| 5091 | bandcfuneral.com | 0.10/10 | - | - | Mar 2023 |
| 5092 | banden.nl | 0.50/10 | - | - | Jan 2019 |
| 5093 | bandmbbqlyndhurst.com | 0.11/10 | - | - | Mar 2024 |
| 5094 | bandyfuneralhome.com | 0.89/10 | - | - | Mar 2023 |
| 5095 | bangerrebellion.com | 0.38/10 | - | - | Jun 2024 |
| 5096 | bangkok.fr | 3.13/10 | - | - | Feb 2024 |
| 5097 | bangkokpeppers.com | 0.28/10 | - | - | Apr 2024 |
| 5098 | banhmitresbon.ca | 1.78/10 | - | - | Sep 2024 |
| 5099 | banksmemorial.com | 0.10/10 | - | - | Mar 2023 |
| 5100 | bankwebinars.com | 2.76/10 | - | - | Jun 2024 |
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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