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+
20
2
Open Page Rank 8+
187
13
Open Page Rank 7+
535
26
Open Page Rank 6+
915
55
Open Page Rank 5+
1,485
93
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
73,082
86
United States
15,093
365
India
10,920
114
Brazil
9,291
62
Singapore
7,484
41
Türkiye
7,002
129
United Kingdom
6,420
208
Germany
6,209
418
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 | 800 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.