Engineering12 August 2026
Why a redirect belongs on the CDN, not your app server
A short link is a cache entry with a database behind it. Once we treated it that way, the interesting work stopped being the lookup and started being invalidation.
Infrastructure decisions, campaign measurement, and what we got wrong first.
A short link is a cache entry with a database behind it. Once we treated it that way, the interesting work stopped being the lookup and started being invalidation.