Websites Powered by SiteSpect
3,439 websites tracked using SiteSpect (A/B Testing) · www.sitespect.com
SiteSpect is a tool for running A/B and multivariate experiments to compare page variants. Its official site is sitespect.com. PoweredBy tracks the websites that use SiteSpect 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
1K
2K
3K
Apr 2021
Sep 2022
Jan 2024
Jun 2025
Oct 2026
Domains observed using SiteSpect in each month's HTTP Archive crawl,
Apr 2021 to Oct 2026 · peak 2,794 in Mar 2025. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.3 s
INP 100 ms
CLS 0.05
TTFB 500 ms
Median site among 990 SiteSpect sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
876
Canada
129
United Kingdom
59
India
59
Italy
53
Spain
51
Germany
49
France
49
Sites using SiteSpect by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Retail | 0.19% | 684 |
| Restaurants and food | <0.01% | 1 |
Share of each industry's websites with a detected stack that use SiteSpect; industries come from what sites declare in their own structured data.
Top sites by authority
9+
0% · 0 of 372 sites
8+
<1% · 4 of 7,677 sites
7+
<1% · 7 of 45,712 sites
6+
<1% · 13 of 110,136 sites
5+
<1% · 18 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running SiteSpect in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using SiteSpect
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | kaiserpermanente.org | 8.37/10 | 41,900 | 449 | Mar 2024 |
| 2 | bhphotovideo.com | 8.33/10 | 1,397,700 | 425,380 | Apr 2021 |
| 3 | fitchratings.com | 8.17/10 | 180,900 | 67,164 | Aug 2022 |
| 4 | anthropologie.com | 8.06/10 | 1,340,900 | 571,799 | May 2021 |
| 5 | urbanoutfitters.com | 7.92/10 | 532,900 | 319,796 | May 2021 |
| 6 | plus.nl | 7.33/10 | 180 | 605 | Apr 2022 |
| 7 | debijenkorf.nl | 7.27/10 | 2,300 | 3,456 | Oct 2021 |
| 8 | corendon.nl | 6.99/10 | 1,800 | 3,727 | May 2021 |
| 9 | unionplus.org | 6.87/10 | 58,400 | 19,572 | Aug 2025 |
| 10 | simyo.nl | 6.70/10 | 550 | 434 | Sep 2022 |
| 11 | videoland.com | 6.67/10 | 750 | 115 | Jun 2021 |
| 12 | teleflora.com | 6.20/10 | 234,900 | 33,860 | Apr 2021 |
| 13 | devere.co.uk | 6.06/10 | 750 | 1,396 | Jul 2021 |
| 14 | shopterrain.com | 5.92/10 | 126,500 | 40,127 | Jul 2026 |
| 15 | onlinelabels.com | 5.59/10 | 78,700 | 16,943 | May 2021 |
| 16 | iberiaexpress.com | 5.29/10 | 3,900 | 1,343 | May 2021 |
| 17 | maxima.com | 5.28/10 | 450 | 1,036 | Aug 2022 |
| 18 | thriftyfoods.com | 5.10/10 | 3,200 | 5,019 | May 2021 |
| 19 | dropshippingxl.com | 4.05/10 | - | - | Dec 2024 |
| 20 | starbrightnyc.com | 3.63/10 | - | - | May 2021 |
| 21 | winstonflowers.com | 3.46/10 | - | - | May 2021 |
| 22 | corendon.be | 3.42/10 | - | - | Sep 2025 |
| 23 | englishgardens.com | 3.28/10 | - | - | May 2021 |
| 24 | dropxl.com | 3.13/10 | - | - | Aug 2025 |
| 25 | findaflorist.com | 2.57/10 | - | - | Apr 2021 |
| 26 | drdelphinium.com | 2.46/10 | - | - | May 2021 |
| 27 | starclaireflorist.com | 2.12/10 | - | - | May 2023 |
| 28 | fallonsflowers.com | 2.05/10 | - | - | May 2021 |
| 29 | lamppuexpress.com | 2.03/10 | - | - | Aug 2021 |
| 30 | newberrybrothers.com | 2.03/10 | - | - | Sep 2022 |
| 31 | youngfloral.com | 2.03/10 | - | - | May 2023 |
| 32 | sedonamountainhighflowers.com | 2.02/10 | - | - | Jul 2021 |
| 33 | cactusflower.com | 1.95/10 | - | - | Apr 2021 |
| 34 | familyflowers.com | 1.94/10 | - | - | Jun 2021 |
| 35 | ashaddflorist.com | 1.92/10 | 1,100 | 700 | Jul 2025 |
| 36 | petalswithstyle.com | 1.90/10 | - | - | May 2021 |
| 37 | thinkflowers.com | 1.87/10 | - | - | May 2021 |
| 38 | palmerflowers.com | 1.85/10 | - | - | May 2021 |
| 39 | hollidayflowers.com | 1.82/10 | - | - | Jun 2023 |
| 40 | watsonsflowers.com | 1.79/10 | - | - | May 2021 |
| 41 | bellefioriflorist.com | 1.78/10 | 360 | 346 | Jul 2026 |
| 42 | cittisflorist.com | 1.72/10 | - | - | May 2021 |
| 43 | exoticflowers.com | 1.71/10 | - | - | May 2021 |
| 44 | valleyforgeflowers.com | 1.69/10 | - | - | Sep 2022 |
| 45 | floracouture.com | 1.67/10 | - | - | Jun 2021 |
| 46 | norfolkflorist.com | 1.67/10 | - | - | May 2021 |
| 47 | blitzflorist.com | 1.66/10 | - | - | May 2021 |
| 48 | inbloomflowers.com | 1.66/10 | - | - | May 2021 |
| 49 | tigerlilyflorist.com | 1.66/10 | - | - | Apr 2021 |
| 50 | paulwoodflorist.com | 1.62/10 | - | - | May 2021 |
| 51 | kingflorist.com | 1.61/10 | - | - | Oct 2022 |
| 52 | pflorist.com | 1.56/10 | - | - | May 2021 |
| 53 | aceflowershouston.com | 1.54/10 | 4,500 | 1,050 | May 2021 |
| 54 | mcardles.com | 1.54/10 | - | - | Nov 2024 |
| 55 | chestersflowers.com | 1.53/10 | - | - | May 2021 |
| 56 | sturtzandcopeland.com | 1.53/10 | - | - | May 2021 |
| 57 | avillageofflowers.net | 1.52/10 | 420 | 358 | May 2021 |
| 58 | jacobmaarse.com | 1.51/10 | - | - | Sep 2024 |
| 59 | rotheflorists.com | 1.49/10 | - | - | Jun 2022 |
| 60 | mcshanflorist.com | 1.49/10 | - | - | May 2021 |
| 61 | georgethomasflorist.com | 1.49/10 | - | - | May 2021 |
| 62 | richardsonsflowersandgifts.com | 1.48/10 | - | - | May 2021 |
| 63 | phoebefloral.com | 1.48/10 | - | - | May 2021 |
| 64 | cugini.com | 1.47/10 | - | - | May 2021 |
| 65 | creechsfloristinc.com | 1.46/10 | - | - | May 2021 |
| 66 | wellingtonflorist.com | 1.45/10 | - | - | Jun 2021 |
| 67 | northraleighfloristinc.com | 1.43/10 | - | - | Apr 2021 |
| 68 | jennies.com | 1.43/10 | - | - | May 2021 |
| 69 | aebersoldflorist.com | 1.42/10 | 94 | 160 | Jun 2023 |
| 70 | enchantedflorist.com | 1.40/10 | - | - | Aug 2022 |
| 71 | daisyflowers.ca | 1.39/10 | - | - | Apr 2021 |
| 72 | berylsbloomers.ca | 1.39/10 | 22 | 28 | Jul 2021 |
| 73 | felthousensflorist.com | 1.39/10 | - | - | May 2021 |
| 74 | raimondisflorist.com | 1.39/10 | - | - | Apr 2021 |
| 75 | mitchellsfloral.com | 1.38/10 | - | - | Apr 2021 |
| 76 | brownsflorist.net | 1.37/10 | - | - | May 2021 |
| 77 | myflorist.com | 1.36/10 | - | - | Apr 2021 |
| 78 | empark.pl | 1.35/10 | - | - | Jan 2025 |
| 79 | yourdowntownflorist.com | 1.34/10 | - | - | May 2021 |
| 80 | stems4flowers.com | 1.34/10 | - | - | Jun 2021 |
| 81 | brownfloral.net | 1.34/10 | - | - | May 2021 |
| 82 | fursttheflorist.com | 1.33/10 | - | - | Apr 2021 |
| 83 | stevesflowers.com | 1.32/10 | - | - | May 2021 |
| 84 | bigappleflorist.com | 1.32/10 | 72 | 139 | Nov 2021 |
| 85 | hayesflorist.net | 1.32/10 | - | - | May 2021 |
| 86 | abbottfloristmiami.com | 1.31/10 | - | - | Aug 2022 |
| 87 | thesecretgardenjamestown.com | 1.31/10 | - | - | Aug 2022 |
| 88 | ashleysflowers.com | 1.31/10 | 530 | 197 | Aug 2022 |
| 89 | simplyrosesflorist.com | 1.29/10 | - | - | May 2021 |
| 90 | sfbuds.com | 1.28/10 | - | - | May 2021 |
| 91 | villeresflowers.com | 1.28/10 | - | - | May 2021 |
| 92 | capitolhillflorist.com | 1.28/10 | - | - | May 2021 |
| 93 | mccandlessfloralinc.com | 1.27/10 | - | - | Apr 2021 |
| 94 | theflowergarden.ca | 1.27/10 | - | - | May 2021 |
| 95 | 99nurseryflorist.com | 1.26/10 | 170 | 21 | May 2021 |
| 96 | angiesflowersofelpaso.com | 1.26/10 | 4,900 | 1,238 | May 2021 |
| 97 | razzledazzleflowers.com | 1.25/10 | - | - | May 2021 |
| 98 | flowersbyjennielynne.com | 1.25/10 | - | - | May 2021 |
| 99 | fmflorist.com | 1.24/10 | - | - | Apr 2021 |
| 100 | mahersflorist.com | 1.24/10 | - | - | Nov 2022 |
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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