Ace vs Editor.js
Head-to-head usage across the sites we track.
Top sites by authority
Ace · Editor.js · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
18
0
Open Page Rank 8+
197
1
Open Page Rank 7+
541
5
Open Page Rank 6+
833
6
Open Page Rank 5+
1,148
10
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Ace · Editor.js · share of sites in each country using one or the other
United States
4,508
42
India
2,769
27
United Kingdom
2,105
24
Canada
1,858
14
Germany
1,690
34
France
1,568
15
Brazil
1,531
16
Indonesia
1,339
13
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Ace | Editor.js |
|---|---|---|
| LCP | 2.1 s | 1.4 s |
| INP | 75 ms | 150 ms |
| CLS | 0 | 0 |
| TTFB | 700 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.