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Make a deal with Alex Xu
🔒 Paid proposals held safely in escrow — released only when the work's approved.
Followers
291.8K
Posts
5.2K
Following
588
Account age
16 yrs
💰 Suggested sponsorship rate
$1.6K – $2.7K / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor Alex Xu
Known for
2.9M views
Explaining 8 Popular Network Protocols in 1 Diagram. The method to download the high-resolution PDF is available at the end.
Network protocols are standard methods of transferring data between two computers in a network.
1. HTTP (HyperText Transfer Protocol)
HTTP is a protocol
1.1M views
How do companies ship code to production? The method to download the high-resolution PDF is available at the end.
The diagram below illustrates the typical workflow.
Step 1: The process starts with a product owner creating user stories based on requirements.
Step 2: The dev
889.5K views
/1 Why is a credit card called a “𝐜𝐫𝐞𝐝𝐢𝐭” card?
Why is a debit card called a “𝐝𝐞𝐛𝐢𝐭” card?
An example of a debit card payment is shown in the diagram below. 👇
827.7K views
/1 Want to know the secret to optimizing your SQL queries? Understanding the execution order is key.
📊 Post performance
724.5K
Avg views / post
2.5×
Reach vs followers
Jul 2010
On X since
🔥 Top post: Explaining 8 Popular Network Protocols in 1 Diagram. The method · 2.9M views
📊 Activity & format
Posting cadence
0.14 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly images
Recent: 4 video · 14 image · 0 text.
Follower / following
496×
Follows 588 back. A strong ratio — an audience that follows them, not a follow-for-follow network.
Verification
✓ X Premium
A paid X Premium (Blue) verified account.
Recent posts
View on X ↗▶
🔥 Top post
Explaining 8 Popular Network Protocols in 1 Diagram. The method to download the high-resolution PDF is available at the end.
Network protocols are standard methods of transferring data between two computers in a network.
1. HTTP (HyperText Transfer Protocol)
HTTP is a protocol
The 9 Algorithms That Dominate Our World
Explaining JSON Web Token (JWT) to a 10 year old Kid.
Imagine you have a special box called a JWT. Inside this box, there are three parts: a header, a payload, and a signature.
The header is like the label on the outside of the box. It t…
▶
How do companies ship code to production? The method to download the high-resolution PDF is available at the end.
The diagram below illustrates the typical workflow.
Step 1: The process starts with a product owner creating user stories b…
▶
My recommended materials for cracking your next technical interview:
Coding
- Leetcode
- Cracking the coding interview book
- Neetcode
System Design Interview
- System Design Interview book 1, 2 by Alex Xu
- Grokking the system design by…
Explaining JSON Web Token (JWT) to a 10 year old Kid.
Imagine you have a special box called a JWT. Inside this box, there are three parts: a header, a payload, and a signature.
The header is like the label on the outside of the box. It t…
/1 Want to know the secret to optimizing your SQL queries? Understanding the execution order is key.
▶
Really cool neovim plugin. I hope everyone takes a break from coding and has a great weekend.
Github repo: https://t.co/JgvqdJ6lOa
/1 Why is a credit card called a “𝐜𝐫𝐞𝐝𝐢𝐭” card?
Why is a debit card called a “𝐝𝐞𝐛𝐢𝐭” card?
An example of a debit card payment is shown in the diagram below. 👇
Twitter Architecture 2022 vs. 2012. What’s changed over the past 10 years?
Thank you, @elonmusk for the transparency.
{1/2}
/1 How will you design the Stack Overflow website? If your answer is on-premise servers and monolith (bottom), you would likely fail the interview, but that's how it is built in reality!
1/ The Unified Payments Interface (UPI) for real-time transactions in India is a good case study for other nations in the payment space.
💡 Facts
🗓️Joined X in 2010 — 16 years ago.
👁️Averages 724.5K views per post.
📤Posts about 0.1× per week.
💬4.13% engagement rate.
🏅Earned the 100K Followers for passing 100K followers.
🕵️ Fake follower check
Estimated83/100
Excellent
Credibility score
93%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 93% real, active audience · Low fake-follower risk.
- Strong engagement (~2.5× of followers engage each post) — an active, real audience.
- Organic base — far more followers than accounts it follows.
- Verified account.
- Established account (16+ years old).
- 4.13% engagement — below the ~14.4% typical for this size.
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Co-Founder of ByteByteGo | Author of the bestselling book series: ‘System Design Interview’ | YouTube: http://youtube.com/@ByteByteGo
📸 Gallery
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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