W3C Markup Validation Service

Related

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  DomainUserAgent

  This extension changes the UserAgent sent by your browser on a per-domain base. You can set up a different UserAgent for a specific domain, but still use the default one otherwise.

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 7

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  Shuffle Extension Toolbar

  Customize the sequence of extension icons as you like

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 15

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  Web Developer

  Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 129

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  CryptoPro Extension for CAdES Browser Plug-in

  Расширение позволяет использовать КриптоПро ЭЦП Browser plug-in в браузере. Для работы требует установленного ЭЦП Browser plug-in.

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 186

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  Webmaster menu

  Adds new items to browser context menu that open various analyzes of browsed web pages and sites.

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 4