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  Ecosia 31 Dec 14

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  WOT (Web of Trust) for Firefox 20 Sep 15

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  HTTP Header 16 Apr 15

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  Fasterfox Lite 11 Apr 15

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  Simple Adblock 16 Apr 15

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  Optimal Access 7 Apr 16

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  iMacros for Firefox 23 Jan 15

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  New Tab Plus 21 Jan 15