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+
106
29
Open Page Rank 6+
182
44
Open Page Rank 5+
297
77
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
1,940
636
Germany
1,989
420
France
1,581
258
United Kingdom
1,317
343
Poland
1,271
256
Russia
1,175
309
Spain
992
248
Netherlands
979
224
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | phpBB | Simple Machines Forum |
|---|---|---|
| LCP | 1.1 s | 1.2 s |
| INP | 50 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 500 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.