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+
10
223
Open Page Rank 8+
39
3,802
Open Page Rank 7+
119
15,708
Open Page Rank 6+
153
30,122
Open Page Rank 5+
173
51,158
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
685
651,665
India
368
252,538
United Kingdom
425
210,954
Germany
429
176,161
Brazil
234
168,763
Canada
411
164,079
France
319
159,876
Australia
282
111,932
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Polymer | React |
|---|---|---|
| LCP | 1.8 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, 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.
React to Polymer
| Domain | When |
|---|---|
| floridasadventurecoast.com | Jul 2025 |