Astro vs Phenomic
Head-to-head usage across the sites we track.
Top sites by authority
Astro · Phenomic · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
41
0
Open Page Rank 8+
340
0
Open Page Rank 7+
990
0
Open Page Rank 6+
1,648
0
Open Page Rank 5+
2,556
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 · Phenomic · share of sites in each country using one or the other
United States
16,861
7
India
10,589
5
Brazil
7,861
3
France
6,765
2
Germany
6,682
3
United Kingdom
6,556
4
Spain
6,523
2
Japan
5,408
3
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Astro | Phenomic |
|---|---|---|
| LCP | 1.5 s | 2 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 900 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.