phpBB vs Simple Machines Forum
Head-to-head usage across the sites we track.
Top sites by authority
phpBB · Simple Machines Forum · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
4
0
Open Page Rank 8+
30
7
Open Page Rank 7+
99
25
Open Page Rank 6+
159
39
Open Page Rank 5+
256
67
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
phpBB · Simple Machines Forum · share of sites in each country using one or the other
United States
1,626
522
Germany
1,630
343
France
1,308
204
United Kingdom
1,151
296
Russia
1,067
275
Poland
1,112
213
Spain
905
211
Italy
872
181
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | phpBB | Simple Machines Forum |
|---|---|---|
| LCP | 1.1 s | 1.1 s |
| INP | 50 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 500 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.