Radix UI vs Semantic UI
Head-to-head usage across the sites we track.
Top sites by authority
Radix UI · Semantic UI · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
64
10
Open Page Rank 8+
813
105
Open Page Rank 7+
2,788
244
Open Page Rank 6+
5,011
371
Open Page Rank 5+
8,204
531
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Radix UI · Semantic UI · share of sites in each country using one or the other
United States
68,047
2,285
India
45,024
1,557
Brazil
35,199
2,238
United Kingdom
24,696
1,269
Germany
21,717
1,330
Canada
19,501
1,029
France
19,027
1,094
Indonesia
18,221
1,021
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Radix UI | Semantic UI |
|---|---|---|
| LCP | 2.4 s | 1.9 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 700 ms |
Median site's p75 values from the Chrome UX Report, Sep 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.
Semantic UI to Radix UI
| Domain | When |
|---|---|
| modhoster.com | Aug 2026 |
| aspirantmitraa.com | Apr 2026 |