Astra vs Lightning
Head-to-head usage across the sites we track.
Top sites by authority
Astra · Lightning · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
23
1
Open Page Rank 8+
287
45
Open Page Rank 7+
874
146
Open Page Rank 6+
1,655
234
Open Page Rank 5+
2,977
312
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Astra · Lightning · share of sites in each country using one or the other
United States
53,034
220
India
39,679
138
Japan
5,670
19,992
Spain
21,219
57
Germany
17,293
65
Brazil
16,961
54
France
16,546
67
United Kingdom
16,069
74
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Astra | Lightning |
|---|---|---|
| LCP | 2.5 s | 1.7 s |
| INP | 75 ms | 25 ms |
| CLS | 0 | 0 |
| TTFB | 1400 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.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Lightning to Astra
| Domain | When |
|---|---|
| microregistrar.com | Apr 2026 |