Web Now Playing Companion Extension
The extension to go along with the WebNowPlaying plugin for Rainmeter
Source code and downloads for the Rainmeter plugin can be found here
The extension can be found in both the Chrome Web Store and the Firefox Addons Store.
Other browsers will be supported as requested. Please feel free to report any bugs are found when using these, even on 'unsupported' browsers that can use Chrome/Firefox extensions.