The open source plugin for productivity metrics, goals, leaderboards, and automatic time tracking.
The WakaTime plugin works with Google Chrome Browser and is open source on GitHub.
The Chrome extension shows the time you spend reading documentation, debugging a web app, and other browser based activity.
Install the Chrome Extension:
Login to WakaTime.
Use Chrome like normal and your time will be tracked automatically on your https://wakatime.com/dashboard.