Ace vs Monaco Editor
Head-to-head usage across the sites we track.
Top sites by authority
Ace · Monaco Editor · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
18
28
Open Page Rank 8+
169
309
Open Page Rank 7+
461
699
Open Page Rank 6+
723
1,025
Open Page Rank 5+
994
1,355
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Ace · Monaco Editor · share of sites in each country using one or the other
United States
4,011
3,365
India
2,462
2,902
United Kingdom
1,832
2,167
Germany
1,448
2,290
France
1,319
2,017
Canada
1,613
1,669
Brazil
1,365
1,813
Spain
1,213
1,675
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Ace | Monaco Editor |
|---|---|---|
| LCP | 2 s | 1.8 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Ace to Monaco Editor
| Domain | When |
|---|---|
| pima.gov | Oct 2026 |
| encode64.com | Jan 2026 |