CodeIgniter vs Fat-Free Framework
Head-to-head usage across the sites we track.
Top sites by authority
CodeIgniter · Fat-Free Framework · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
12
1
Open Page Rank 8+
174
8
Open Page Rank 7+
715
14
Open Page Rank 6+
1,338
24
Open Page Rank 5+
2,374
35
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
CodeIgniter · Fat-Free Framework · share of sites in each country using one or the other
India
17,612
107
Indonesia
13,224
80
United States
9,446
263
Brazil
5,775
66
United Kingdom
5,362
121
Türkiye
4,354
71
Germany
3,213
134
France
3,145
141
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CodeIgniter | Fat-Free Framework |
|---|---|---|
| LCP | 1.8 s | 1.5 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 700 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.