CodeMirror vs Microsoft Excel
Head-to-head usage across the sites we track.
Top sites by authority
CodeMirror · Microsoft Excel · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
29
4
Open Page Rank 8+
253
7
Open Page Rank 7+
601
8
Open Page Rank 6+
912
11
Open Page Rank 5+
1,283
17
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
CodeMirror · Microsoft Excel · share of sites in each country using one or the other
United States
12,427
49
India
3,272
28
United Kingdom
2,872
23
Canada
2,693
20
Germany
2,317
25
Brazil
2,153
22
France
2,062
22
Spain
1,998
24
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CodeMirror | Microsoft Excel |
|---|---|---|
| LCP | 2.2 s | 1.2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 500 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.