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+
24
1
Open Page Rank 8+
199
14
Open Page Rank 7+
553
33
Open Page Rank 6+
917
40
Open Page Rank 5+
1,458
67
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
70,740
58
United States
13,389
125
India
9,882
113
Brazil
8,300
82
Türkiye
5,993
81
United Kingdom
5,796
98
Germany
5,405
182
France
5,120
98
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | AMP | OpenUI5 |
|---|---|---|
| LCP | 2.1 s | 2 s |
| INP | 150 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 800 ms | 600 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.