Astro vs Saber
Head-to-head usage across the sites we track.
Top sites by authority
Astro · Saber · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
44
0
Open Page Rank 8+
368
0
Open Page Rank 7+
1,085
0
Open Page Rank 6+
1,816
0
Open Page Rank 5+
2,821
0
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Astro · Saber · share of sites in each country using one or the other
United States
16,861
4
India
10,589
2
Brazil
7,861
2
France
6,765
2
Germany
6,682
2
United Kingdom
6,556
2
Spain
6,523
2
Japan
5,408
2
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Astro | Saber |
|---|---|---|
| LCP | 1.5 s | 2.3 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 950 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.