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+
11
1
Open Page Rank 8+
187
10
Open Page Rank 7+
731
16
Open Page Rank 6+
1,360
25
Open Page Rank 5+
2,426
36
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
17,846
110
Indonesia
13,132
85
United States
9,656
271
Brazil
5,910
70
United Kingdom
5,381
121
Türkiye
4,412
70
Germany
3,335
133
France
3,230
136
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, 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.