Personalization in the UK: market share ranking

Recommendations and on-site personalization.

#	Technology	United Kingdom	Global	Netherlands	Italy	Spain	Japan	Latin America
1	Nosto	0.4%	<0.1%	<0.1%	<0.1%	0.1%	<0.1%	<0.1%
2	Bloomreach	0.4%	0.2%	0.2%	<0.1%	<0.1%	0%	<0.1%
3	Insider	<0.1%	0.2%	<0.1%	<0.1%	<0.1%	<0.1%	0.6%
4	Algonomy (Richrelevance)	<0.1%	<0.1%	<0.1%	0%	<0.1%	<0.1%	<0.1%
5	Dynamic Yield	<0.1%	<0.1%	0%	<0.1%	<0.1%	0%	<0.1%
6	KARTE	0%	<0.1%	0%	0%	0%	0.5%	0%
7	Rtoaster	0%	<0.1%	0%	0%	0%	0.2%	0%
8	Repro	0%	<0.1%	0%	0%	0%	<0.1%	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	Nosto	0%	0.2%	0.4%
2	Bloomreach	0%	1.1%	0.4%
3	Insider	0%	0.1%	<0.1%
4	Algonomy (Richrelevance)	0%	0.1%	<0.1%
	Sites measured	66	931	11,909

Popular sites vs local business websites

Popular: sites of United Kingdom 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 Personalization	0.8%	<0.1%	−0.8
1	Insider	<0.1%	<0.1%	−0.1
2	Bloomreach	0.4%	<0.1%	−0.3
3	Nosto	0.4%	0%	−0.4
4	Algonomy (Richrelevance)	<0.1%	0%	0
	Sites measured	11,909	21,114

Our crawler: 11,909 sites · United Kingdom · updated 23 Oct 2026 · Methodology