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+
10
17
Open Page Rank 8+
47
196
Open Page Rank 7+
98
557
Open Page Rank 6+
120
929
Open Page Rank 5+
154
1,381
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
458
6,767
Japan
309
4,906
France
209
4,623
India
335
4,057
Spain
173
4,134
Italy
190
3,679
Germany
258
3,199
United Kingdom
237
3,001
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 | 50 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 800 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.