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+
14
0
Open Page Rank 8+
189
8
Open Page Rank 7+
731
27
Open Page Rank 6+
1,372
47
Open Page Rank 5+
2,456
66
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
20,653
86
Indonesia
15,938
90
United States
11,105
161
Brazil
6,527
111
United Kingdom
6,135
88
Türkiye
5,263
60
France
4,024
86
Germany
3,826
107
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CodeIgniter | ZK |
|---|---|---|
| LCP | 1.9 s | 2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 600 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.