B
Blue
66 sites detectedRetargeting · #2 of 12Updated October 2026
Companies using Blue
| # | Company | Industry | Location | First seen | Evidence |
|---|---|---|---|---|---|
| 1 | Hospitality & Travel | GB | Sept 2026 | page code | |
| 2 | Hospitality & Travel | GB | Oct 2026 | page code | |
| 3 | Education & Learning | – | Sept 2026 | page code | |
| 4 | Hospitality & Travel | – | Sept 2026 | page code | |
| 5 | E-commerce & Retail | – | Apr 2026 | page code | |
| 6 | E-commerce & Retail | Dereham, GB | Sept 2026 | page code | |
| 7 | E-commerce & Retail | DE | Sept 2026 | page code | |
| 8 | Marketing & Sales Tech | – | Apr 2026 | signature | |
| 9 | Education & Learning | – | Sept 2026 | page code | |
| 10 | E-commerce & Retail | – | Apr 2026 | page code |
See all 66 sites detected using Blue
Showing 10 of 66 sites detected. The customer list has every company, the new customers this month, filters and downloads.
Who uses Blue
New customers per week
Companies we saw start using it, from 21 September 2026.
21 SeptThis week, so far
By sector
29% of 52 sampled customers have a known sector.
E-commerce & Retail60%
Hospitality & Travel20%
Education & Learning13%
Marketing & Sales Tech7%
By country
Country is known for 12% of 52 sampled customers.
GB67%
DE17%
DK17%
Also used by these customers
Share of sampled Blue customers running each tool.
Retargeting: share by companies
Blue is #2 of 12, with 1% of companies running a tool in this category.
How we found them
Share of sampled customers by where the evidence was.
Website code100%
Every company in the list shows which kind of evidence we found and when. Data quality
Every company using Blue
The customer list shows who they are, the evidence for each one and who started this month.