23rd December 2025
Research
Browser URL Size Limits Investigation
— Major browser engines demonstrate significant differences in how they enforce URL length limits. Chromium sets a 2 MB cap at its inter-process communication boundary, rejecting longer URLs when crossing processes. Firefox relies on user-configurable preferences, employing a 1 MB "standard" limit but permitting up to 512 MB in absolute terms, with stricter limits (2,000 characters) for history and bookmarks.
Recent articles
- Highlights from my conversation about agentic engineering on Lenny's Podcast - 2nd April 2026
- Mr. Chatterbox is a (weak) Victorian-era ethically trained model you can run on your own computer - 30th March 2026
- Vibe coding SwiftUI apps is a lot of fun - 27th March 2026