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Comscore vs Nielsen: who uses which
Comscore is on more sites: 7,891 against 1,864 for Nielsen, about 4.2 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 | Comscore | Nielsen |
|---|---|---|
| .com on .com | 5,769 | 659 |
| .it in Italy | 157 | 320 |
| .br in Brazil | 383 | 21 |
| .pe on .pe | 310 | 0 |
| .es in Spain | 119 | 93 |
| .in in India | 169 | 2 |
| .uk in the UK | 64 | 106 |
| .net on .net | 134 | 29 |
67 sites run both at once.
Questions
Which is more popular, Comscore or Nielsen?
Comscore is on more sites: 7,891 against 1,864 for Nielsen, about 4.2 times as many, across the sites StackGrep has indexed.
Do sites use Comscore and Nielsen together?
67 sites load both. That's often a switch in progress, or two teams picking different tools.
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