1
HLD: URL Shortener (like bit.ly)
像bit.ly一样的高性能短链接服务，MD5+Base62生成短码，读多写少场景下响应极快
Design a system that takes a long URL and returns a short URL, and redirects short URLs to their originals. 1️⃣ Clarify Requirements Functional Requir…
2
We Built a Referral Program Tool Inside Our URL Shortener. Here's Why.
把推荐计划直接嵌入URL缩短器，追踪转化并支持固定或比例奖励，省去多平台切换的麻烦。
This article was originally published on Jo4 Blog . Every SaaS founder eventually asks the same question: "How do I get my existing users to bring me …
3
10 Hacks Every DuckDuckGo User Should Know
DuckDuckGo不止隐私保护，这10个隐藏技巧让你用得更高效：匿名聊AI、过滤AI图、短链接一网打尽
If you use DuckDuckGo, you'll want to try these hacks.