AMP vs OpenUI5
Head-to-head usage across the sites we track.
Top sites by authority
AMP · OpenUI5 · 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
15
Open Page Rank 7+
569
34
Open Page Rank 6+
945
41
Open Page Rank 5+
1,511
70
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
AMP · OpenUI5 · share of sites in each country using one or the other
Indonesia
72,741
60
United States
13,441
126
India
9,842
114
Brazil
8,577
81
Türkiye
6,172
78
United Kingdom
5,698
93
Germany
5,352
184
France
5,143
100
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | AMP | OpenUI5 |
|---|---|---|
| LCP | 2.1 s | 2.1 s |
| INP | 150 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 700 ms | 600 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.