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+
21
0
Open Page Rank 8+
298
4
Open Page Rank 7+
889
10
Open Page Rank 6+
1,677
15
Open Page Rank 5+
3,030
21
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
54,700
278
India
40,848
215
Spain
19,785
82
Brazil
17,822
154
Germany
17,658
254
France
16,604
77
United Kingdom
16,239
150
Indonesia
14,649
114
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Astra | Xtra |
|---|---|---|
| LCP | 2.4 s | 3.2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 1300 ms | 1600 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.
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 |
| edarah.sa | Sep 2025 |