Substack vs Virgool
Head-to-head usage across the sites we track.
Top sites by authority
Substack · Virgool · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
0
Open Page Rank 8+
13
0
Open Page Rank 7+
58
1
Open Page Rank 6+
134
1
Open Page Rank 5+
226
1
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Substack · Virgool · share of sites in each country using one or the other
United States
2,503
11
United Kingdom
769
10
India
731
8
Canada
614
10
Australia
333
6
Germany
300
12
Spain
294
8
Brazil
284
8
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Substack | Virgool |
|---|---|---|
| LCP | 1.6 s | 2.6 s |
| INP | 100 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 800 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.