FluxBB vs XenForo
Head-to-head usage across the sites we track.
Top sites by authority
FluxBB · XenForo · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
1
Open Page Rank 8+
1
23
Open Page Rank 7+
3
84
Open Page Rank 6+
5
204
Open Page Rank 5+
7
414
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
FluxBB · XenForo · share of sites in each country using one or the other
United States
21
3,918
United Kingdom
13
2,224
Canada
14
2,006
Germany
13
1,970
Australia
10
1,496
Russia
10
1,473
France
23
1,328
India
11
1,290
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | FluxBB | XenForo |
|---|---|---|
| LCP | 1.2 s | 1.3 s |
| INP | 25 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 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.