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+
13
29
Open Page Rank 7+
21
82
Open Page Rank 6+
41
117
Open Page Rank 5+
120
141
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
4,292
166
France
4,055
114
Spain
3,242
137
United States
3,108
202
Italy
2,801
107
United Kingdom
2,090
115
Belgium
2,144
36
Netherlands
1,643
101
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Doofinder | VuFind |
|---|---|---|
| LCP | 1.9 s | 1.4 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 600 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.