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
30
Open Page Rank 7+
22
90
Open Page Rank 6+
42
122
Open Page Rank 5+
120
143
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
3,905
151
France
3,520
93
Spain
2,957
128
United States
2,639
202
Italy
2,598
98
United Kingdom
1,890
103
Belgium
1,919
29
Austria
1,575
61
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, 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.