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+
12
0
Open Page Rank 8+
174
8
Open Page Rank 7+
715
24
Open Page Rank 6+
1,338
42
Open Page Rank 5+
2,374
62
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
17,612
73
Indonesia
13,224
76
United States
9,446
159
Brazil
5,775
95
United Kingdom
5,362
81
Türkiye
4,354
51
Germany
3,213
90
Japan
3,199
43
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 | 650 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.