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
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- Claude Haiku 5.5 - 7th October 2026