ByteByteGo Newsletter
Investor Due Diligence Report
by Alex Xu
substackTechnology
Explain complex systems with simple terms, from the authors of the best-selling system design book series. Join over 1,000,000 friendly readers.
Investor Due Diligence Report
by Alex Xu
Explain complex systems with simple terms, from the authors of the best-selling system design book series. Join over 1,000,000 friendly readers.
1M
37.5K paid
~0%
Subscriber count is a platform estimate
-0.0%
net churn
Pricing
$15/mo
$150/yr annual option
$447K
37.5K paid subs
$313K/mo – $581K/mo(±30%)
3.6
255.4
0.03%
(comments + likes) / subscribers
~4x per week
4.0 posts/week
82/100
Very Consistent (~1.8d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| The System Design Newsletter | 229K | +0.7% | $17.5/mo | substack |
| [ Center for Humane Technology ] | 178K | +0.8% | Free | substack |
| The Software Engineer Weekly | 30K | N/A | $10/mo | substack |
| The Micromobility Newsletter | 20K | N/A | $25/mo | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 1M | $447,187.5 | — |
| Mar 2026 | 1M | $447,187.5 | ~0% |
| Apr 2026 | 1M | $447,187.5 | ~0% |
Platform Dependency
Operates on custom domain (blog.bytebytego.com)
Publishing Consistency
Regular publishing schedule
Key Person
Single-author publication — key-person dependency
Audience Concentration
Consistent engagement across posts
Subscriber threshold
1M subscribers — above the 2K category median for first paid tier
Has paid tier
Active paid subscription offering
Pricing position
$15/mo vs $12.09/mo category average (892 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Jan 2026 | $15 | $150 |
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 54/100 | 30% |
| Paid Subscriber Ratio | 100/100 | 25% |
| Publishing Consistency | 86/100 | 10% |
| Learn Analytics Engineering | 15K | N/A | $11/mo | substack |
Revenue Model
Active paid subscription tier