Discuz! X vs vBulletin
Head-to-head usage across the sites we track.
Top sites by authority
Discuz! X · 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+
7
7
Open Page Rank 7+
18
37
Open Page Rank 6+
40
70
Open Page Rank 5+
66
131
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Discuz! X · vBulletin · share of sites in each country using one or the other
United States
808
1,547
Taiwan
1,105
215
Germany
200
1,011
Hong Kong SAR China
990
191
Japan
813
342
United Kingdom
192
933
Canada
239
782
China
798
103
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Discuz! X | vBulletin |
|---|---|---|
| LCP | 1.2 s | 1.4 s |
| INP | 25 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 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.