CodeMirror vs WebSite X5
Head-to-head usage across the sites we track.
Top sites by authority
CodeMirror · WebSite X5 · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
29
1
Open Page Rank 8+
253
19
Open Page Rank 7+
601
41
Open Page Rank 6+
912
50
Open Page Rank 5+
1,283
62
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
CodeMirror · WebSite X5 · share of sites in each country using one or the other
United States
12,427
238
Italy
1,778
1,926
Germany
2,317
1,317
India
3,272
110
United Kingdom
2,872
154
Canada
2,693
82
France
2,062
324
Brazil
2,153
187
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CodeMirror | WebSite X5 |
|---|---|---|
| LCP | 2.2 s | 1.3 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 300 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.