Alexey KorepovI developed from scratch the very useful plugin for Firefox, that apply background colors to tabs, based on it's hostname. This is very useful, when you must operate with many opened tabs, especially with similar websites (eg staging, developer and production version of website).
Project page on Mozilla website: TST Colored Tabs by Alexey Murz Korepov
Source code is on Github: MurzNN/TST-Colored-tabs
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