Newsletter Insights — advertising rates and audience data for 21K+ newsletters
Browse all →Advertisers are viewing this page. Claim it
Platform Portability
Uses Substack subdomain (dennismccarthy.substack.com). Migrating would require subscribers to re-subscribe at a new address.
Custom domains let newsletters switch platforms without losing their audience.
Are you a newsletter creator? Get verified insights →
Using rational analyses and the latest, earth-shaking discoveries to explore the still unresolved questions in science, history, and Shakespeare.
Data updated 1 week ago
Single-Cell World
1K subs
Anthrocurious
1K subs
Hustling Housewife
1K subs
Weekly Growth
N/A
N/A
This is a free newsletter — no revenue data available
$20–$46
See detailed CPM analysis
Category benchmarks and audience-size adjusted rates
Create free accountUsed by thousands of newsletter operators and advertisers
Tracking started recently for All The Mysteries That Remain (1 days ago). A growth trend will appear once we have more data points.
Avg Comments
10.5
Avg Likes
9.5
Engagement Rate
2.00%· ~20 likes + comments/post
(comments + likes) / subscribers
Quality Score
Engagement vs Science
2.00% engagement rate
See All The Mysteries That Remain's score breakdown & category ranking
Quality sub-scores, category percentile, and engagement benchmarks
See full analysis freeUsed by thousands of newsletter operators and advertisers
Sign up for a free account to unlock All The Mysteries That Remain's percentile rankings in Science
Sign up free| Public |
| Remember the Ides of March! And remember Thomas North--not Shakespeare--wrote that line (and much of the rest of "Julius Caesar") first:Mar 16, 2026 | Public |
Publishing Frequency
~2x per week
Last published Mar 21, 2026
2.0 posts/week avg
Science Pricing
$9.56/mo avg
Your newsletter: Free
Monetization Readiness
Science newsletters typically start charging at ~2K subscribers
50% of typical monetisation threshold
100% of similar-size Science newsletters have paid tiers
Sign up for a free account to unlock monetization & ad rate insights
Sign up free