IPB vs vBulletin
Head-to-head usage across the sites we track.
Top sites by authority
IPB · vBulletin · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
0
Open Page Rank 8+
25
6
Open Page Rank 7+
73
30
Open Page Rank 6+
139
58
Open Page Rank 5+
214
111
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
IPB · vBulletin · share of sites in each country using one or the other
United States
1,637
1,348
United Kingdom
1,122
802
Germany
1,052
838
Canada
861
668
Russia
967
529
France
797
519
Poland
792
437
Netherlands
722
489
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | IPB | vBulletin |
|---|---|---|
| LCP | 1.5 s | 1.4 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 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.