Firefox add-on with keyword - usage

Add the full URL or hostname of the current web page to the window title. Designed to help other applications identify the current window. Helps KeePass (http://www.keepass.info) to identify the current URL for auto-type.

Adds real-time memory usage monitoring to your browser.

Displays Night Time Data on SLT usage meter.

Adds real-time CPU usage monitoring to your browser.

Extension to monitor SaaS Usage for the Diminish app

Read out loud the current web-page article with one click. Supports 40+ languages.

Advance details for SLT Usage meter

This addon supposed to detect how much a site takes mobile data / quota, and display it from popup.

A sidebar based RSS feed reader like the good ol' Sage add-on, may the gods avenge his untimely death.

Track the resource usage of your active tabs including memory and CPU usage.

usagi's bunny theme from sailor moon

Easily save and organize batches of tabs as bookmarks. Clear your tabs, clear your mind. Only for Firefox.

This tool helps you debug your SAML based SSO/SLO implementations. It runs in the background, collecting SAML messages as they are sent and received by the browser.

A very lightweight tab suspender to suspend inactive tabs that reduces an overall memory usage of Firefox, uses a Firefox native discard API

Increase browser speed and reduce memory load and when you have numerous open tabs.

Analytics to help you understand and control your website usage, leading to less distractions and enhanced productivity

Monitor and display your web usage statistics.

Monitors postMessage usage (url, domain and stack) both by logging using CORS and also visually as an extension-icon. All credit goes to Frans Rosén.

Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!

Blur messages in chat preview

Access to Chat - Android Messages on Desktop Computer. Google Messages for Web. Send SMS, view contacts. RCS.

LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.

Click on anywhere of the SLT Usage website to get extended usage information

Allows you to quickly snip recipes from the web and save them directly into your RecipeSage account.

Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.