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
3
Open Page Rank 8+
3
14
Open Page Rank 7+
5
60
Open Page Rank 6+
7
137
Open Page Rank 5+
12
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
356
2,725
United Kingdom
109
862
India
92
805
Canada
132
669
Australia
75
369
Germany
55
332
Spain
33
336
France
47
303
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | DropInBlog | Substack |
|---|---|---|
| LCP | 1.8 s | 1.9 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 600 ms | 500 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.