CodeIgniter vs Ruby on Rails
Head-to-head usage across the sites we track.
Top sites by authority
CodeIgniter · Ruby on Rails · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
CodeIgniter · Ruby on Rails · share of sites in each country using one or the other
United States
11,105
83,667
India
20,653
32,385
United Kingdom
6,135
33,120
Indonesia
15,938
17,612
Canada
3,664
29,524
France
4,024
26,676
Germany
3,826
26,112
Brazil
6,527
20,531
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CodeIgniter | Ruby on Rails |
|---|---|---|
| LCP | 1.9 s | 1.7 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 700 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
CodeIgniter to Ruby on Rails
| Domain | When |
|---|---|
| foremostedu.com | Feb 2026 |
| istiqaamatz.org | Nov 2025 |
| baby-mine.shop | Oct 2025 |
| repjabar.co.id | Jul 2025 |
| hikaru.com.tw | Jul 2025 |
Ruby on Rails to CodeIgniter
| Domain | When |
|---|---|
| achgut.com | Apr 2026 |
| muet.edu.pk | Feb 2026 |
| iba.ac.id | Dec 2025 |
| staialfalahbjb.ac.id | Dec 2025 |
| katerina.co.il | Jul 2025 |