Chrome Extension

7 prompts: the extension's basic setup and popup window → the part that reads or changes the page you're on → the part that runs in the background → packaging it for the Chrome Web Store.

Chrome's current extension platform, its built-in storage, and the Chrome Web Store submission dashboard — and what not to reach for.

5 checks: is it asking for more browser access than it needs, can a malicious page attack it, can messages to it be faked, is it accidentally loading code from elsewhere, are any secret keys exposed.