AMP vs Polymer
Head-to-head usage across the sites we track.
Top sites by authority
AMP · Polymer · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
23
8
Open Page Rank 8+
190
34
Open Page Rank 7+
534
118
Open Page Rank 6+
884
150
Open Page Rank 5+
1,410
169
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
AMP · Polymer · share of sites in each country using one or the other
Indonesia
70,740
198
United States
13,389
603
India
9,882
314
Brazil
8,300
212
United Kingdom
5,796
371
Türkiye
5,993
152
Germany
5,405
377
France
5,120
270
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | AMP | Polymer |
|---|---|---|
| LCP | 2.1 s | 1.7 s |
| INP | 150 ms | 100 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.