Home / Technologies / 33Across vs Prebid.js
33Across vs Prebid.js: who uses which
Prebid.js is on more sites: 2,485 against 965 for 33Across, about 2.6 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 | 33Across | Prebid.js |
|---|---|---|
| .com on .com | 361 | 1,296 |
| .jp in Japan | 0 | 219 |
| .biz on .biz | 0 | 148 |
| .uk in the UK | 105 | 11 |
| .net on .net | 12 | 102 |
| .es in Spain | 74 | 24 |
| .de in Germany | 59 | 25 |
| .br in Brazil | 20 | 46 |
2 sites run both at once.
Questions
Which is more popular, 33Across or Prebid.js?
Prebid.js is on more sites: 2,485 against 965 for 33Across, about 2.6 times as many, across the sites StackGrep has indexed.
Do sites use 33Across and Prebid.js together?
2 sites load both. That's often a switch in progress, or two teams picking different tools.
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