This guide walks through how to set up Vivaldi’s blocklists from the perspective of someone migrating from “big browser + extension” to “Vivaldi + built-in blocking,” with some extra notes for privacy-minded folks.
Bookmarks
The OpenSearch description format can be used to describe the web interface of a search engine. This allows a website to describe a search engine for itself, so that a browser or other client application can use that search engine. OpenSearch is supported by (at least) Firefox, Edge, Safari, and Chrome.
Use the chrome.sidePanel API to host content in the browser's side panel alongside the main content of a webpage.
I look left and right, and I'm the only one who still uses Firefox.
uBlock Origin will soon stop functioning in Chrome as Google transitions to new browser extension rules.
We’re pleased to announce that, as of version 23, the Puppeteer browser automation library now has first-class support for Firefox. This means that it’s now easy to write automation and perform end-to-end testing using Puppeteer, and run against both Chrome and Firefox.
Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol.
Some good simple instructions on how to get started when building a Chrome browser extension.