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Compare · product analytics experimentation

Optimizely VS VWO

As of 30 October 2026, VWO is named by 140 companies and Optimizely by 275; Optimizely skews to companies under 200 people (35% vs 42%), VWO to companies over 1,000 (23% vs 32%).

As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Optimizely's script and mail records show on hundreds of thousands of small sites, VWO rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.

Optimizely: 2–200 employees
35%
VWO: 2–200 employees
42%
Optimizely: 1,000+ employees
32%
VWO: 1,000+ employees
23%
Postings per company, 90 days
2.0 · 1.7
Website or DNS footprint
241 · 0
275companies name Optimizely
140companies name VWO
135name both
557 · 239postings in 90 days, Optimizely · VWO
02Side by side

Who chooses which

Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.

By company size
SegmentOptimizelyshareVWOshareLeans
Self-employed52%54%even
2-10 employees187%86%even
11-50 employees2710%2115%VWO
51-200 employees5219%3021%VWO
201-500 employees4817%2820%VWO
501-1000 employees3613%1611%even
1001-5000 employees4617%2316%even
5001-10000 employees114%32%even
10,001+ employees3212%64%Optimizely
By industry
SegmentOptimizelyshareVWOshareLeans
Technology & software8129%5136%VWO
Business & finance services7327%4230%VWO
Commerce & trade259%86%Optimizely
Manufacturing & industry249%86%Optimizely
Health care145%64%even
Consumer services & leisure114%64%even
Media & content114%32%even
Hospitality & travel104%64%even
Public, community & associations83%32%even
Automotive62%21%even
Property & construction62%32%even
Utilities & infrastructure41%21%even
By country
SegmentOptimizelyshareVWOshareLeans
United States17865%8561%Optimizely
United Kingdom187%86%even
Australia93%––outside top 12
Canada93%54%even
Germany83%54%even
Sweden83%––outside top 12
Netherlands73%86%VWO
Belgium52%32%even
India41%32%even
Denmark31%––outside top 12
Switzerland21%––outside top 12
Czechia21%––outside top 12
France––64%outside top 12
Singapore––32%outside top 12
Brazil––21%outside top 12
United Arab Emirates––11%outside top 12
Austria––11%outside top 12
Postings by team (share of each tool's postings)
SegmentOptimizelyshareVWOshareLeans
Marketing & communications19326%12339%VWO
Software engineering15921%299%Optimizely
Product, program & project management618%103%Optimizely
IT operations & business systems416%––outside top 12
Data & AI405%113%even
Sales385%52%Optimizely
Design & UX274%103%even
Business development & strategy111%52%even
General management & consulting71%––outside top 12
Customer service & success51%72%even
Human resources51%––outside top 12
Arts media and entertainment30%––outside top 12
Construction and civil––113%outside top 12
Legal, compliance & risk––93%outside top 12
Education & training––31%outside top 12
Finance & accounting––31%outside top 12
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

VWO is named by 140 companies in job postings and Optimizely by 275; 135 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/optimizely-vs-vwo)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
  • Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
  • SegmentsCountry, size and industry from the company profile built from its website.
  • Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
FAQ

Optimizely vs VWO: questions

Which is more used, Optimizely or VWO?

By companies naming it in their own job postings, Optimizely (275) over VWO (140). By website-and-DNS footprint, Optimizely (241 vs 0), because its scripts and mail records sit on many small company sites.

Who chooses Optimizely?

35% of Optimizely companies have 2 to 200 employees, against 42% for VWO. 32% of Optimizely companies have over 1,000 employees, against 23% for VWO.

Do companies run both?

135 companies name both in their postings, usually Optimizely in marketing and VWO in sales, or during a migration.

Where do these numbers come from?

From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.

Companies and people

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Every company on either tool,
with the person who owns it

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