CodeMirror vs WEBDEV
Head-to-head usage across the sites we track.
Top sites by authority
CodeMirror · WEBDEV · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
29
0
Open Page Rank 8+
253
4
Open Page Rank 7+
601
7
Open Page Rank 6+
912
16
Open Page Rank 5+
1,283
35
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
CodeMirror · WEBDEV · share of sites in each country using one or the other
United States
12,427
50
India
3,272
29
United Kingdom
2,872
39
France
2,062
755
Canada
2,693
60
Germany
2,317
47
Brazil
2,153
41
Spain
1,998
64
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CodeMirror | WEBDEV |
|---|---|---|
| LCP | 2.2 s | 1.5 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 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.