Mermaid vs Raphael
Head-to-head usage across the sites we track.
Top sites by authority
Mermaid · Raphael · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
9
14
Open Page Rank 8+
45
172
Open Page Rank 7+
88
513
Open Page Rank 6+
110
875
Open Page Rank 5+
140
1,309
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Mermaid · Raphael · share of sites in each country using one or the other
United States
392
5,895
Japan
257
4,335
France
171
3,777
India
290
3,584
Spain
153
3,507
Italy
161
3,069
Germany
213
2,769
United Kingdom
192
2,646
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Mermaid | Raphael |
|---|---|---|
| LCP | 1.9 s | 1.9 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 800 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.