Doofinder vs VuFind
Head-to-head usage across the sites we track.
Top sites by authority
Doofinder · VuFind · 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+
14
32
Open Page Rank 7+
22
84
Open Page Rank 6+
43
116
Open Page Rank 5+
122
139
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Doofinder · VuFind · share of sites in each country using one or the other
Germany
3,946
151
France
3,575
79
Spain
2,949
111
United States
2,680
186
Italy
2,531
84
United Kingdom
1,954
97
Belgium
1,930
28
Austria
1,563
60
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Doofinder | VuFind |
|---|---|---|
| LCP | 1.8 s | 1.4 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 700 ms |
Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.