Mattermost vs phpBB
Head-to-head usage across the sites we track.
Top sites by authority
Mattermost · phpBB · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
4
Open Page Rank 8+
0
30
Open Page Rank 7+
0
99
Open Page Rank 6+
0
159
Open Page Rank 5+
0
256
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Mattermost · phpBB · share of sites in each country using one or the other
Germany
2
1,630
United States
2
1,626
France
2
1,308
United Kingdom
4
1,151
Poland
2
1,112
Russia
1
1,067
Spain
2
905
Italy
2
872
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Mattermost | phpBB |
|---|---|---|
| LCP | 2.2 s | 1.1 s |
| INP | 125 ms | 50 ms |
| CLS | 0.05 | 0 |
| TTFB | 1500 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.