Astra vs Twenty Thirteen
Head-to-head usage across the sites we track.
Top sites by authority
Astra · Twenty Thirteen · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
21
6
Open Page Rank 8+
298
58
Open Page Rank 7+
889
106
Open Page Rank 6+
1,677
140
Open Page Rank 5+
3,030
187
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Astra · Twenty Thirteen · share of sites in each country using one or the other
United States
54,700
1,064
India
40,848
650
Spain
19,785
284
Germany
17,658
563
Brazil
17,822
269
France
16,604
537
United Kingdom
16,239
439
Indonesia
14,649
252
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Astra | Twenty Thirteen |
|---|---|---|
| LCP | 2.4 s | 1.7 s |
| INP | 75 ms | 50 ms |
| CLS | 0 | 0 |
| TTFB | 1300 ms | 900 ms |
Median site's p75 values from the Chrome UX Report, Aug 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.
Twenty Thirteen to Astra
| Domain | When |
|---|---|
| pedelec-schmidt.de | May 2026 |
| vtcclaypotindia.com | May 2026 |
| aperos-musique-blesle.com | Apr 2026 |