vBulletin vs YaBB
Head-to-head usage across the sites we track.
Top sites by authority
vBulletin · YaBB · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 8+
7
0
Open Page Rank 7+
37
0
Open Page Rank 6+
70
0
Open Page Rank 5+
131
0
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
vBulletin · YaBB · share of sites in each country using one or the other
United States
1,547
11
Germany
1,011
4
United Kingdom
933
4
Canada
782
0
France
658
2
Russia
613
1
Netherlands
609
0
Italy
571
0
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | vBulletin | YaBB |
|---|---|---|
| LCP | 1.4 s | 1.4 s |
| INP | 75 ms | 25 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 900 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.