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+
20
0
Open Page Rank 8+
187
12
Open Page Rank 7+
535
33
Open Page Rank 6+
915
40
Open Page Rank 5+
1,485
71
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
73,082
65
United States
15,093
141
India
10,920
119
Brazil
9,291
90
Singapore
7,484
58
Türkiye
7,002
90
United Kingdom
6,420
106
Germany
6,209
199
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, 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.