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Gemius vs Nielsen: who uses which
Gemius is on more sites: 6,473 against 1,864 for Nielsen, about 3.5 times as many. Here's how they compare across the websites we've indexed, and where each one does best.
Where each one is used
| Domain | Gemius | Nielsen |
|---|---|---|
| .pl in Poland | 1,527 | 24 |
| .hu in Hungary | 1,182 | 9 |
| .bg on .bg | 874 | 141 |
| .cz in Czechia | 913 | 14 |
| .com on .com | 241 | 659 |
| .sk in Slovakia | 632 | 4 |
| .it in Italy | 0 | 320 |
| .ua on .ua | 198 | 0 |
139 sites run both at once.
Questions
Which is more popular, Gemius or Nielsen?
Gemius is on more sites: 6,473 against 1,864 for Nielsen, about 3.5 times as many, across the sites StackGrep has indexed.
Do sites use Gemius and Nielsen together?
139 sites load both. That's often a switch in progress, or two teams picking different tools.
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