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Platform Portability
Uses Substack subdomain (3blue1brown.substack.com). Migrating would require subscribers to re-subscribe at a new address.
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Data updated Today
Avg Comments
10.0
Avg Likes
229.5
Engagement Rate
0.35%· ~240 likes + comments/post
(comments + likes) / subscribers
System Design Classroom
Quality Score
Engagement vs Education
0.35% engagement rate
Score Breakdown
Engagement Score
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vs 90 newsletters in Education
69K places you in the top 10% of newsletters in this category.
Engagement Rate
0.35%
median: 0.00%
Posts per Week
0.4
median: 1.0
Publishing Consistency
75/100
median: 64/100
Subscribers
69K
median: 1K
Weekly Growth
+2.3%
Track CPM rates as they change
Start tracking — freeSubscriber counts are rounded by the platform — step changes may not reflect actual growth
System Design Classroom
57K subs
++1.0%/wk
The Shit No One Tells You About Writing
84K subs
All About Psychology
104K subs
++1.1%/wk
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Publishing Frequency
Monthly
Last published Mar 22, 2026
0.4 posts/week avg
Education Pricing
$5/mo median
Your newsletter: Free
Monetization Readiness
Education newsletters typically start charging at ~1K subscribers
Above the typical threshold
100% of similar-size Education newsletters have paid tiers
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69.0K subscribers and 0.35% engagement — past the threshold where Education newsletters typically attract sponsors.