Doofinder vs Fact Finder
Head-to-head usage across the sites we track.
Top sites by authority
Doofinder · Fact Finder · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
3
0
Open Page Rank 8+
13
0
Open Page Rank 7+
21
0
Open Page Rank 6+
41
0
Open Page Rank 5+
120
0
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Doofinder · Fact Finder · share of sites in each country using one or the other
Germany
4,292
6
France
4,055
9
Spain
3,242
5
United States
3,108
1
Italy
2,801
3
Belgium
2,144
7
United Kingdom
2,090
2
Austria
1,671
2
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Doofinder | Fact Finder |
|---|---|---|
| LCP | 1.9 s | 1.6 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 700 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.