Guides
Short pieces on the things people arrive here asking about. Each one uses figures from our own crawl rather than general advice, and each is written to be read once.
- Why an extension you rely on suddenly stopped working The five reasons, in the order worth checking. The first accounts for most of it right now.
- Manifest V2, V3, and why your extension stopped working What the platform change was, when each part happened, and why a dead extension can still have a live store page.
- How to check what a Chrome extension can access Where to find the list, what is ordinary, and which combinations are worth a second look.
- How to judge an extension before you install it The checks that tell you something, and the ones that tell you less than you would think.
- How to remove an extension that will not go quietly For the ones that come back after you delete them, and what to fix afterwards.
- The words used about browser extensions Short definitions of the terms that appear on these pages and in Chrome itself.
- Why extensions slow Chrome down What actually costs you, how to find the one responsible, and why the count in your toolbar is the wrong thing to look at.