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
102
Open Page Rank 6+
39
167
Open Page Rank 5+
64
271
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
702
1,695
Germany
178
1,698
France
131
1,342
United Kingdom
169
1,183
Poland
81
1,120
Russia
107
1,070
Taiwan
884
259
Japan
671
423
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, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.