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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 Yesterday
Avg Comments
0.7
Avg Likes
67.1
Engagement Rate
0.03%· ~68 likes + comments/post
(comments + likes) / subscribers
Typical for lists with 250K+ subscribers
Quality Score
Engagement vs Technology
0.03% engagement rate
Score Breakdown
Engagement Score
| Subscriber-only |
| Fine Tuning: A Deep Dive#171: The Fine-Tuning Guide That Will Change How You Build With LLMsAug 24, 2026 | Subscriber-only |
| How to Build AI Agents That Don’t Start Over When They Fail#170: The Infrastructure AI Agents Actually NeedAug 20, 2026 | Public |
| Prompt Engineering - A Deep Dive#169: From Tokens to Production-Ready AI SystemsAug 14, 2026 | Subscriber-only |
| How to Build an AI Research Agent#168: Part 5 - Generative AI MasterclassAug 10, 2026 | Subscriber-only |
| 10 System Design Solutions Explained in 15 Minutes#167: A practical guide to common system design challengesAug 5, 2026 | Subscriber-only |
| Vertical Small LLMs: A Deep Dive#166: How a fine-tuned 3-billion-parameter model beats today’s frontier models at one job, and how to build one this weekendAug 3, 2026 | Subscriber-only |
| What You Need to Master (And Avoid) to Build Fast, Reliable, and Scalable APIs#165: Nine Tips for High-Performance APIsJul 29, 2026 | Subscriber-only |
| I struggled with "microservices" until I learned these 22 patterns#164: A field guide to splitting systems, keeping data correct, and surviving failure in productionJul 23, 2026 | Subscriber-only |
10.6K paid
Weekly Growth
Stable
Paid Subscriber Retention
+1.6%
net growth
Track revenue changes over time
Start tracking — freeTrack CPM rates as they change
Start tracking — freevs 232 newsletters in Technology
250K places you in the top 10% of newsletters in this category.
Posts per Week
1.8
median: 0.9
Publishing Consistency
79/100
median: 64/100
Subscribers
250K
median: 1K
Subscriber counts are rounded by the platform — step changes may not reflect actual growth
Publishing Frequency
Weekly
Last published Aug 28, 2026
Usually publishes Mon, Thu
1.8 posts/week avg
Technology Pricing
$5/mo median
Premium tier
Monetization Readiness
Already monetizing
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250.0K subscribers, 0.03% engagement, and 1 detected sponsor — a strong profile for advertisers.
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