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Platform Portability
Uses Substack subdomain (systemdesignone.substack.com). Migrating would require subscribers to re-subscribe at a new address.
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Data updated Today
Avg Comments
0.5
Avg Likes
52.9
Engagement Rate
0.02%· ~53 likes + comments/post
(comments + likes) / subscribers
Typical for lists with 251K+ subscribers
Quality Score
Engagement vs Technology
0.02% engagement rate
Score Breakdown
Engagement Score
| Public |
| How to Scale an “AI App” to 1 Million Users in Production#189: Part 7 - Generative AI MasterclassOct 12, 2026 | Subscriber-only |
| Claude Code on Autopilot: Schedule It Once and Walk Away#188: Part 4 - Claude Code 24/7Oct 6, 2026 | Subscriber-only |
| 64 AI Concepts Every Software Engineer Should Know#187: Part 1 - Generative AI, RAG, AI Agents, and 14 others.Oct 5, 2026 | Subscriber-only |
| API design was HARD until I learned these 33 concepts#185: Part 2 - JWT, WebSockets, OpenAPI, and 13 others.Oct 3, 2026 | Subscriber-only |
| I struggled with "API design" until I learned these 33 concepts#184: Part 1 - REST, GraphQL, Authentication, and 14 others.Oct 2, 2026 | Subscriber-only |
| How to create a good LLM judge#183: Build a judge from expert examples and measure the mistakes it makesSep 30, 2026 | Public |
| Realtime AI Agent - A Deep Dive#182: Infrastructure layer behind realtime agentsSep 28, 2026 | Public |
| Spec Driven Development - A Deep Dive#181: How AI Agents Build Enterprise Software at ScaleSep 27, 2026 | Public |
10.7K paid
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Start tracking — freeTrack CPM rates as they change
Start tracking — freeSubscriber count is a platform estimate — actual growth not reflected in chart
vs 257 newsletters in Technology
251K places you in the top 10% of newsletters in this category.
Posts per Week
1.9
median: 0.8
Publishing Consistency
76/100
median: 66/100
Subscribers
251K
median: 1K
Here's what we know about this newsletter's activity:
Publishing Pace
~2x per week
Consistent
Category Rank
#2 of 497
in Technology
Engagement Trend
Consistent
based on recent posts
Publishing Frequency
~2x per week
Last published Oct 13, 2026
Usually publishes Mon, Thu
1.9 posts/week avg
Technology Pricing
$5/mo median
Premium tier
Monetization Readiness
Already monetizing
Unlock revenue estimates, CPM benchmarks, and detected sponsors
Start tracking — free251.0K subscribers, 0.02% engagement, and 1 detected sponsor — a strong profile for advertisers.
15marches
11K subs
Deep Fundamental Research
2K subs
Price Point
2K subs
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