AMP vs BEM
Head-to-head usage across the sites we track.
Top sites by authority
AMP · BEM · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
23
1
Open Page Rank 8+
202
12
Open Page Rank 7+
569
24
Open Page Rank 6+
945
51
Open Page Rank 5+
1,511
88
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
AMP · BEM · share of sites in each country using one or the other
Indonesia
72,741
66
United States
13,441
251
India
9,842
89
Brazil
8,577
58
Türkiye
6,172
109
United Kingdom
5,698
187
Germany
5,352
317
France
5,143
133
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | AMP | BEM |
|---|---|---|
| LCP | 2.1 s | 1.7 s |
| INP | 150 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.