Astra vs Xtra
Head-to-head usage across the sites we track.
Top sites by authority
Astra · Xtra · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
23
0
Open Page Rank 8+
287
3
Open Page Rank 7+
874
7
Open Page Rank 6+
1,655
13
Open Page Rank 5+
2,977
19
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Astra · Xtra · share of sites in each country using one or the other
United States
53,034
254
India
39,679
206
Spain
21,219
84
Germany
17,293
236
Brazil
16,961
145
France
16,546
77
United Kingdom
16,069
132
Indonesia
14,339
105
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Astra | Xtra |
|---|---|---|
| LCP | 2.5 s | 3.1 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 1400 ms | 1600 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.
Astra to Xtra
| Domain | When |
|---|---|
| restaurant-mekan.de | Apr 2026 |
| visaguy.ae | Nov 2025 |
Xtra to Astra
| Domain | When |
|---|---|
| fastfixeg.org | Feb 2026 |