How It Works
Every how it works post from Keystrokes — 4 articles.
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.
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 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.
How Cloudflare Decides You're a Bot (Without a CAPTCHA)
How Cloudflare detects bots without a CAPTCHA — TLS/JA4 fingerprinting, HTTP/2 signatures, headless-browser checks, behavioral analysis, and a 1–99 bot score, explained for developers and site owners.
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