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+
28
4
Open Page Rank 8+
236
7
Open Page Rank 7+
554
8
Open Page Rank 6+
848
11
Open Page Rank 5+
1,231
16
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
11,605
43
India
2,977
27
United Kingdom
2,501
20
Canada
2,325
15
Germany
1,980
23
Brazil
1,954
18
France
1,686
20
Spain
1,646
18
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | CodeMirror | Microsoft Excel |
|---|---|---|
| LCP | 2.1 s | 1.3 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 600 ms |
Median site's p75 values from the Chrome UX Report, Aug 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.