Discuz! X vs phpBB
Head-to-head usage across the sites we track.
Top sites by authority
Discuz! X · phpBB · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
3
Open Page Rank 8+
7
31
Open Page Rank 7+
20
101
Open Page Rank 6+
38
162
Open Page Rank 5+
63
262
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 · phpBB · share of sites in each country using one or the other
United States
667
1,626
Germany
162
1,630
France
129
1,308
United Kingdom
167
1,151
Poland
87
1,112
Russia
117
1,067
China
945
161
Taiwan
834
253
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Discuz! X | phpBB |
|---|---|---|
| LCP | 1.2 s | 1.1 s |
| INP | 25 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 500 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.