AMP vs ExtJS
Head-to-head usage across the sites we track.
Top sites by authority
AMP · ExtJS · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
23
5
Open Page Rank 8+
190
84
Open Page Rank 7+
534
268
Open Page Rank 6+
884
435
Open Page Rank 5+
1,410
615
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
AMP · ExtJS · share of sites in each country using one or the other
Indonesia
70,740
870
United States
13,389
2,365
India
9,882
1,161
Brazil
8,300
1,101
United Kingdom
5,796
1,181
Germany
5,405
1,462
Türkiye
5,993
673
France
5,120
1,124
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | AMP | ExtJS |
|---|---|---|
| LCP | 2.1 s | 1.8 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.
ExtJS to AMP
| Domain | When |
|---|---|
| termoidraulicatrombetta.it | Jul 2026 |