CodeIgniter vs ZK
Head-to-head usage across the sites we track.
Top sites by authority
CodeIgniter · ZK · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
11
0
Open Page Rank 8+
187
8
Open Page Rank 7+
731
26
Open Page Rank 6+
1,360
45
Open Page Rank 5+
2,426
65
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
CodeIgniter · ZK · share of sites in each country using one or the other
India
17,846
77
Indonesia
13,132
79
United States
9,656
155
Brazil
5,910
95
United Kingdom
5,381
84
Türkiye
4,412
49
Germany
3,335
97
France
3,230
69
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CodeIgniter | ZK |
|---|---|---|
| LCP | 1.8 s | 1.9 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.