Checking vibed PRD for feature building. see how it goes.
Neil 
@neildev
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Welcome to my software development journey. Things I code, things I learn, and sharing it to people in the internet! ⌨️
Happy Friday and now vibe coding time 😍 #vibecoding #ai
And for answering "how do you generate the short url" I'd say, generate a unique, time-ordered Snowflake ID per URL, then Base62-encode it into a 7-character URL-safe string.
Just checking out some common system design questions out there.
Here's my "build a URL shortener" design system. The image could be improved, but I tried answering it in one shot.
This system doesn't consider the analytics side, and the system is covering the creation of a short URL and the visiting of the short URL. #systemdesign
TL;DR for rate limiting algo.
Fixed window - simple needs and predictable window resets
Sliding window - traffic smoothing at high volume
Token bucket - burst support and memory efficient. Can be difficult to tune out
Now, one you picked best to a certain scenario, choose a sensible keys.
Visitor(aka unauth) - IP address, device fingerprint, uniq installation ID
Apps - key on userID
API - key on API key