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A/B Testing and Personalization in the wider sample
11 A/B Testing and Personalization tools counted across 8,291 company websites, a plain fetch separate from the group crawls. A/B Testing and Personalization in the groups.
Last updated 2026-10-15
- VWO runs on 0.9% of the 8,291 company websites crawled, the most of any A/B Testing and Personalization tool.
- VWO is most common at 51-200 employees, on 1.8% of sites in that band.
- VWO share is highest in Canada, at 1.0% of crawled sites there.
- In Artificial Intelligence (AI), VWO is the most used A/B Testing and Personalization tool, on 0.9% of crawled sites.
- In Financial Services, VWO is the most used A/B Testing and Personalization tool, on 0.9% of crawled sites.
- In Biotechnology, VWO is the most used A/B Testing and Personalization tool, on 0.2% of crawled sites.
- VWO, Google Optimize, Optimizely hold 86% of all A/B Testing and Personalization installs counted.
- Convert Experiences share is flat across employee bands, from 0.1% to 0.1%, a null result.
VWO runs on 0.9% of the 8,291 company websites crawled, the most of any A/B Testing and Personalization tool.
VWO was found on 74 sites. Google Optimize came second with 18. Shares are of the whole sample, and a site can run more than one tool, so the bars do not add up to 100. VWO leads A/B Testing and Personalization at 0.9%.
VWO is most common at 51-200 employees, on 1.8% of sites in that band.
37 of the 2,042 crawled sites with 51-200 employees run VWO. At 11-50 employees the share is 0.6%. VWO skews to 51-200 employee companies.
VWO share is highest in Canada, at 1.0% of crawled sites there.
5 of the 480 crawled Canada sites run VWO, against 0.9% across all countries. Countries with fewer than 150 crawled sites are not compared. VWO is strongest in Canada.
In Artificial Intelligence (AI), VWO is the most used A/B Testing and Personalization tool, on 0.9% of crawled sites.
1,631 crawled sites are labelled Artificial Intelligence (AI), and 15 of them run VWO. Google Optimize follows at 0.4%. VWO leads A/B Testing and Personalization in Artificial Intelligence (AI).
In Financial Services, VWO is the most used A/B Testing and Personalization tool, on 0.9% of crawled sites.
548 crawled sites are labelled Financial Services, and 5 of them run VWO. Optimizely follows at 0.2%. VWO leads A/B Testing and Personalization in Financial Services.
In Biotechnology, VWO is the most used A/B Testing and Personalization tool, on 0.2% of crawled sites.
521 crawled sites are labelled Biotechnology, and 1 of them run VWO. Google Optimize follows at 0.0%. VWO leads A/B Testing and Personalization in Biotechnology.
VWO, Google Optimize, Optimizely hold 86% of all A/B Testing and Personalization installs counted.
117 installs were counted across 11 A/B Testing and Personalization tools. This chart divides by that total, so the bars add up to 100. Three tools hold 86% of A/B Testing and Personalization.
Convert Experiences share is flat across employee bands, from 0.1% to 0.1%, a null result.
Company size does not separate Convert Experiences adoption in this sample. Size does not predict Convert Experiences use.
Attrition funnel
| Step | Count | Note |
|---|---|---|
| Domains selected for the sample | 30,000 | Company domains drawn from the source universe. |
| Homepage fetched | 9,129 | A response was returned for the request. |
| Fetch succeeded | 8,291 | A 200 response with a readable HTML body. |
| Firmographics joined | 8,291 | Industry, country and employee band all present. The base every share on this site is divided by. |
Named failures
| Reason | Count | Share of attempted |
|---|---|---|
| HTTP 502 | 256 | 2.8% |
| HTTP 403 | 251 | 2.8% |
| Connection timeout | 209 | 2.3% |
| SSL error | 55 | 0.6% |
| HTTP 429 (rate limited) | 21 | 0.2% |
| HTTP 503 | 11 | 0.1% |
| HTTP 500 | 9 | 0.1% |
| Connection refused or reset | 5 | 0.1% |
| Proxy error | 4 | 0.0% |
| HTTP 401 | 4 | 0.0% |
| HTTP 526 | 3 | 0.0% |
| HTTP 530 | 2 | 0.0% |
| HTTP 521 | 2 | 0.0% |
| HTTP 525 | 2 | 0.0% |
| Too many redirects | 2 | 0.0% |
| HTTP 523 | 1 | 0.0% |
| HTTP 520 | 1 | 0.0% |
Cite this
Installmap, A/B Testing and Personalization in the wider sample, crawl of 2026-09-03, https://installmap.com/stats/a-b-testing-personalization.