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
3
Open Page Rank 8+
0
31
Open Page Rank 7+
0
102
Open Page Rank 6+
0
167
Open Page Rank 5+
1
271
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
1,698
United States
2
1,695
France
2
1,342
United Kingdom
6
1,183
Poland
2
1,120
Russia
1
1,070
Spain
2
883
Italy
2
870
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Mattermost | phpBB |
|---|---|---|
| LCP | 2 s | 1.1 s |
| INP | 75 ms | 50 ms |
| CLS | 0.05 | 0 |
| TTFB | 900 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.