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+
21
1
Open Page Rank 8+
312
47
Open Page Rank 7+
915
151
Open Page Rank 6+
1,690
241
Open Page Rank 5+
3,081
320
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
61,862
232
India
47,125
144
Japan
6,644
23,422
Spain
22,977
70
Brazil
19,843
65
France
19,758
76
Germany
19,508
85
United Kingdom
18,404
94
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 | 1300 ms | 900 ms |
Median site's p75 values from the Chrome UX Report, Jun 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 |