Mermaid vs Three.js
Head-to-head usage across the sites we track.
Top sites by authority
Mermaid · Three.js · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
9
49
Open Page Rank 8+
45
402
Open Page Rank 7+
88
1,117
Open Page Rank 6+
110
1,863
Open Page Rank 5+
140
2,890
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Mermaid · Three.js · share of sites in each country using one or the other
United States
392
14,651
India
290
12,049
Germany
213
7,569
Philippines
133
7,023
United Kingdom
192
6,357
Japan
257
6,009
France
171
5,842
Brazil
203
5,679
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Mermaid | Three.js |
|---|---|---|
| LCP | 1.9 s | 2.5 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 900 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.