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Related

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  W3C Markup Validation Service

  This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.

  評分: 評分的總次數: 9

• 

  Webmaster menu

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

  評分: 評分的總次數: 4

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  Open in Pale Moon

  Open current page, link, or all tabs in the Pale Moon browser.

  評分: 評分的總次數: 2

• 

  Web Developer

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

  評分: 評分的總次數: 154

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  SelectorsHub Pro

  xPath plugin to auto generate, write and verify xpath & cssSelector.

  評分: 評分的總次數: 0