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+
24
6
Open Page Rank 7+
71
31
Open Page Rank 6+
132
55
Open Page Rank 5+
203
105
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
1,604
1,336
United Kingdom
1,081
781
Germany
1,006
801
Russia
965
515
Canada
820
640
France
773
499
India
725
476
Poland
760
424
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, 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.