A side-by-side comparison of two a/b testing & experimentation tools, based on the 21,296 A/B Testing sites tracked by Site Stats Database.
Last updated
| Metric | Varify | Webtrends Optimize |
|---|---|---|
| Websites | 136 | 118 |
| Market share | 0.64% | 0.55% |
| Share of top 10K sites | 0.01% | 0.04% |
| Share of top 100K sites |
|---|
| 0.02% |
| 0.02% |
| Rank | #17 | #20 |
|---|
| Median DR | 54 | 54 |
|---|
| Average DR | 53 | 54 |
|---|
| Median keywords | 909 | 2,905 |
|---|
| Median referring domains | 1,380 | 1,618 |
|---|
| Median domain age | 18 yrs | 22 yrs |
|---|
| Average domain age | 18 yrs | 21 yrs |
|---|
| Average monthly traffic | 50,741 | 413,332 |
|---|
| Combined monthly traffic | 6,900,776 | 48,773,160 |
|---|
Monthly snapshots of each segment, 2026-06 to 2026-07. Website counts move when our catalog grows; the share of tracked sites is normalized, so it only moves when real prevalence changes.
Websites
Share of tracked sites
Combined monthly traffic
136 websites · rank #17
Top industries
Top markets
118 websites · rank #20
Top industries
Top markets
Varify is used by more websites in our catalog: 136 use Varify and 118 use Webtrends Optimize.
Varify sites have the higher median Ahrefs Domain Rating (Varify: 54, Webtrends Optimize: 54).
Between 2026-06 and 2026-07, Varify went from 0.02% to 0.02% of all tracked sites, while Webtrends Optimize went from 0.02% to 0.01%. Varify is gaining ground faster in our index.
4 websites in our catalog use both Varify and Webtrends Optimize.
Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.
Citation
Site Stats Database. "Varify vs Webtrends Optimize." Site Stats Database, July 1, 2026. https://sitestatsdb.com/technologies/ab-testing/compare/varify-vs-webtrends-optimize
Site Stats Database tracks 136 websites using Varify and 118 using Webtrends Optimize, each enriched with full monthly traffic history, authority, keywords, referring domains, and the complete detected tech stack. We detect every A/B testing tool by crawling each site's HTML, response headers, and DNS; traffic and SEO metrics come from DataForSEO and Ahrefs. Everything refreshes at least monthly.
See plans & pricing| English |
| 74 |
| 78,188 |
| 11,560 |
| 12 yrs |
| 652,002 |
| Varify |
| seobility.net | English | 79 | 17,498 | 7,972 | 14 yrs | 558,731 | Varify |
| aquaphorus.com | English | 59 | 11,325 | 1,571 | 11 yrs | 464,016 | Varify |
| kyivindependent.com | English | 78 | 31,712 | 24,172 | 4 yrs | 444,749 | Varify |
| polkaudio.com | English | 69 | 30,504 | 4,999 | 30 yrs | 429,498 | Varify |
| denon.com | English | 76 | 12,905 | 11,598 | 34 yrs | 301,149 | Varify |
| medmastery.com | English | 49 | 17,901 | 1,731 | 13 yrs | 281,897 | Varify |
| bowerswilkins.com | English | 74 | 8,632 | 8,612 | 25 yrs | 214,962 | Varify |
| smithbrothersfarms.com | English | 48 | 17,876 | 875 | 26 yrs | 207,440 | Varify |
| English |
| 73 |
| 154,405 |
| 6,687 |
| 23 yrs |
| 1,863,039 |
| Webtrends Optimize |
| belkin.com | English | 78 | 47,534 | 23,519 | 30 yrs | 1,101,381 | Webtrends Optimize |
| aardy.com | English | 44 | 15,552 | 571 | 14 yrs | 1,069,542 | Webtrends Optimize |
| nationalrail.co.uk | English | 85 | 24,127 | 22,198 | 29 yrs | 466,015 | Webtrends Optimize |
| mytutor.co.uk | English | 66 | 73,341 | 3,767 | 16 yrs | 429,396 | Webtrends Optimize |
| exploreworldwide.com | English | 46 | 15,158 | 1,350 | 29 yrs | 341,222 | Webtrends Optimize |
| anpost.com | English | 79 | 11,580 | 4,276 | 27 yrs | 322,266 | Webtrends Optimize |
| nextcare.com | English | 50 | 39,582 | 3,358 | 25 yrs | 294,561 | Webtrends Optimize |
| welcome.ufcfightpass.com | English | 68 | 3,439 | 1,708 | 12 yrs | 252,046 | Webtrends Optimize |