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+
1
0
Open Page Rank 8+
29
7
Open Page Rank 7+
80
37
Open Page Rank 6+
150
70
Open Page Rank 5+
225
131
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
1,902
1,547
United Kingdom
1,306
933
Germany
1,200
1,011
Canada
990
782
Russia
1,073
613
France
960
658
Netherlands
823
609
Poland
900
530
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | IPB | vBulletin |
|---|---|---|
| LCP | 1.6 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, 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.