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+
17
30
Open Page Rank 8+
189
297
Open Page Rank 7+
532
686
Open Page Rank 6+
831
1,012
Open Page Rank 5+
1,149
1,321
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
3,994
3,220
India
2,485
2,865
United Kingdom
1,802
2,087
Germany
1,448
2,292
France
1,278
1,909
Canada
1,574
1,598
Brazil
1,363
1,806
Netherlands
1,144
1,546
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Ace | Monaco Editor |
|---|---|---|
| LCP | 2.1 s | 1.9 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 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.
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 |
|---|---|
| encode64.com | Jan 2026 |