#browser internals
Posts tagged browser internals — 3 articles.
How It Works
How It Works · 19 min
Chrome Deletes the Last Manifest V2 Extensions on August 31: What Actually Happens
The 'your extensions die on August 31' headlines are a year late: Manifest V2 stopped running back in July 2025. The date everyone's panicking about is just a Web Store cleanup.
How It Works
How It Works · 22 min
Inside Chrome's Memory Management: Why Your Browser Eats 8GB of RAM
Chrome isn't leaking. Site Isolation, V8's heap, and hidden caches explain why Chrome uses so much RAM — and why your task manager can't name the guilty tab.
How It Works
How It Works · 15 min
How Chrome Extensions Actually Run Your Code
How Chrome extensions execute code: content scripts, isolated vs main worlds, the MV3 service-worker lifecycle, and message passing — with real code examples.
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