A/B testing market share in the Netherlands

Experiments and feature flags.

#	Technology	Global	Netherlands	United Kingdom	Italy	Spain	Japan	Latin America
1	VWO	1.6%	2.2%	1.5%	0.3%	1%	0.4%	0.9%
2	Convert	0.3%	1.4%	0.8%	0.2%	0.2%	<0.1%	0.2%
3	Google Optimize (retired)	0.3%	0.4%	0.3%	0.2%	0.4%	0.4%	0.3%
4	Kameleoon	0.3%	0.3%	0.1%	0.2%	0.2%	<0.1%	<0.1%
5	Optimizely	0.6%	0.3%	0.5%	0.2%	0.4%	0.1%	<0.1%
6	AB Tasty	0.3%	0.2%	0.6%	0.3%	0.5%	0.1%	0.1%
7	Adobe Target	0.3%	<0.1%	<0.1%	0.1%	0.1%	<0.1%	<0.1%
8	GrowthBook	<0.1%	<0.1%	<0.1%	<0.1%	<0.1%	0%	<0.1%
9	LaunchDarkly	<0.1%	<0.1%	<0.1%	0%	<0.1%	0%	<0.1%
10	Statsig	<0.1%	<0.1%	0%	0%	0%	0%	0%

By site popularity

Share of measured sites in each Tranco popularity band that use the technology: the top 1,000, 10,000 and 100,000 sites and the whole top million.

#	Technology	Top 10K	Top 100K	Top 1M
1	VWO	0%	3.5%	2.2%
2	Convert	0%	1.8%	1.4%
3	Google Optimize (retired)	0%	0.2%	0.4%
4	Kameleoon	0%	1.1%	0.3%
5	Optimizely	0%	0.5%	0.3%
6	AB Tasty	0%	0.4%	0.2%
	Sites measured	33	567	8,580

Popular sites vs local business websites

Popular: sites of Netherlands from the Tranco top million. Local business: websites of companies with 1–20 locations in the country, taken from a business places directory (platforms, marketplaces and aggregators excluded).

#	Technology	Popular sites	Local business	Difference, pp
	Any A/B testing	4.7%	0.5%	−4.2
1	VWO	2.2%	0.3%	−1.9
2	Convert	1.4%	<0.1%	−1.3
3	Google Optimize (retired)	0.4%	<0.1%	−0.4
4	AB Tasty	0.2%	<0.1%	−0.1
5	Optimizely	0.3%	<0.1%	−0.3
6	Kameleoon	0.3%	0%	−0.3
	Sites measured	8,580	22,067

Our crawler: 8,580 sites · Netherlands · updated 23 Oct 2026 · Methodology