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Developer tools · #firefox
Learn how Firefox’s Enhanced Tracking Protection Strict mode blocks known trackers early in the request pipeline, improves privacy, and what trade‑offs to expect.
Stop juggling browser profiles. Learn how to use Firefox Multi-Account Containers to isolate cookies and storage for multiple accounts and improved privacy.
Learn how to turn on Firefox’s cache‑partitioning feature, verify it works, and handle potential performance or extension issues. Follow our concise, practical guide to boost privacy without breaking your browsing experience.
Learn how to identify and fix why Firefox’s Enhanced Tracking Protection isn’t blocking trackers or breaks sites. Follow a clear diagnostic flow, verify with built‑in tools, and apply targeted fixes.
Learn how to install, create, and use Firefox Multi‑Account Containers to keep work, personal, and banking sessions isolated. Follow a step‑by‑step guide, verify cookie separation, and troubleshoot common issues.
Learn how to shift AV1 video decode from CPU to GPU in Firefox on Linux using VA‑API, with step‑by‑step enablement, verification, and limits.
Decide whether to enable Firefox’s Total Cookie Protection. Compare privacy, functionality, and performance in a clear table, then walk through enabling the feature and validating cookie isolation with Developer Tools.
Firefox’s WebAssembly engine turns compiled C/C++/Rust code into near‑native speed, letting CPU‑intensive image filters run 4–5× faster than JavaScript. Learn how to compile, load, and measure a Wasm module in Firefox, and see the trade‑offs in practice.
Firefox’s Multi‑Account Containers let you keep multiple logins in one window. This post walks through enabling the feature, installing the add‑on, a step‑by‑step example, and the trade‑offs you need to know.
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