Astra vs ThemeGrill Flash
Head-to-head usage across the sites we track.
Top sites by authority
Astra · ThemeGrill Flash · 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
18
Open Page Rank 7+
915
37
Open Page Rank 6+
1,690
55
Open Page Rank 5+
3,081
70
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Astra · ThemeGrill Flash · share of sites in each country using one or the other
United States
61,862
255
India
47,125
207
Spain
22,977
166
Brazil
19,843
176
France
19,758
169
Germany
19,508
201
United Kingdom
18,404
127
Indonesia
17,425
247
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Astra | ThemeGrill Flash |
|---|---|---|
| LCP | 2.5 s | 2.2 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 1300 ms | 1300 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.
ThemeGrill Flash to Astra
| Domain | When |
|---|---|
| tapasbar-malaga.de | May 2026 |
| viihdeohjelmat.fi | Apr 2026 |
| fiscameroun.org | Jul 2025 |