Polymer vs React
Head-to-head usage across the sites we track.
Top sites by authority
Polymer · React · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
8
225
Open Page Rank 8+
36
3,854
Open Page Rank 7+
117
15,804
Open Page Rank 6+
149
30,256
Open Page Rank 5+
168
51,401
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Polymer · React · share of sites in each country using one or the other
United States
617
596,374
India
324
237,671
United Kingdom
374
191,623
Germany
391
162,924
Brazil
212
161,653
Canada
355
147,238
France
271
140,452
Australia
238
101,917
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Polymer | React |
|---|---|---|
| LCP | 1.7 s | 1.9 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 700 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Polymer to React
| Domain | When |
|---|---|
| fasching365.de | Jul 2026 |