DropInBlog vs Substack
Head-to-head usage across the sites we track.
Top sites by authority
DropInBlog · Substack · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
2
Open Page Rank 8+
3
12
Open Page Rank 7+
7
57
Open Page Rank 6+
10
134
Open Page Rank 5+
16
226
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
DropInBlog · Substack · share of sites in each country using one or the other
United States
322
2,503
United Kingdom
107
769
India
84
731
Canada
120
614
Australia
71
333
Germany
44
300
Spain
31
294
France
38
279
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | DropInBlog | Substack |
|---|---|---|
| LCP | 1.8 s | 1.6 s |
| INP | 75 ms | 100 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 500 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.