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+
20
6
Open Page Rank 8+
187
85
Open Page Rank 7+
535
271
Open Page Rank 6+
915
456
Open Page Rank 5+
1,485
639
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
73,082
1,010
United States
15,093
2,619
India
10,920
1,313
Brazil
9,291
1,196
Singapore
7,484
596
Germany
6,209
1,631
Türkiye
7,002
764
United Kingdom
6,420
1,313
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 | 600 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.