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+
24
1
Open Page Rank 8+
199
13
Open Page Rank 7+
553
26
Open Page Rank 6+
917
53
Open Page Rank 5+
1,458
90
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
70,740
67
United States
13,389
244
India
9,882
101
Brazil
8,300
61
Türkiye
5,993
116
United Kingdom
5,796
212
Germany
5,405
305
France
5,120
162
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, 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
AMP to BEM
| Domain | When |
|---|---|
| beautyeditmayfair.com | Aug 2026 |