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+
27
4
Open Page Rank 8+
234
7
Open Page Rank 7+
561
9
Open Page Rank 6+
855
11
Open Page Rank 5+
1,244
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
11,668
44
India
2,941
28
United Kingdom
2,594
21
Canada
2,406
15
Germany
1,988
22
Brazil
1,935
18
Spain
1,794
22
France
1,777
19
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 | 500 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.