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+
10
45
Open Page Rank 8+
47
403
Open Page Rank 7+
98
1,136
Open Page Rank 6+
120
1,901
Open Page Rank 5+
154
2,906
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
458
15,668
India
335
12,588
Germany
258
8,278
United Kingdom
237
7,106
Japan
309
6,694
France
209
6,615
Philippines
135
6,395
Italy
190
6,184
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 | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 900 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Three.js to Mermaid
| Domain | When |
|---|---|
| aion.xyz | Jul 2025 |