$ cat /var/log/thoughts

Debugging + JavaScript + Web Dev

Posts matching all selected tags.

Filters3

Showing page 1 of 1 (1 total posts)

Stop Treating localStorage Like a Database (It Will Bite You in Production)

localStorage has a 5-10MB limit, throws QuotaExceededError silently, and vanishes in Safari private browsing. Here are the five ways it breaks in production and what to use instead.

TutorialsJavaScriptWeb DevDebuggingPerformance1 min read · Apr 11, 2026