Criteo vs MainAd
Head-to-head usage across the sites we track.
Top sites by authority
Criteo · MainAd · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
40
1
Open Page Rank 8+
668
6
Open Page Rank 7+
2,747
21
Open Page Rank 6+
4,994
30
Open Page Rank 5+
7,858
63
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Criteo · MainAd · share of sites in each country using one or the other
United States
41,070
266
United Kingdom
23,599
287
Canada
22,368
161
Germany
19,382
218
India
17,749
175
France
17,018
216
Spain
15,932
224
Italy
15,643
205
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Criteo | MainAd |
|---|---|---|
| LCP | 2 s | 1.9 s |
| INP | 125 ms | 150 ms |
| CLS | 0.05 | 0 |
| TTFB | 800 ms | 700 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
MainAd to Criteo
| Domain | When |
|---|---|
| gazzetta.it | Jan 2026 |