W3C Markup Validation Service

Related

• 

  Web Developer

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

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 114

• 

  Open in Pale Moon

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

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 2

• 

  Font Finder

  An easy-to-use font inspector to get CSS styles of the selected element

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 20

• 

  Sheets2JSON - Convert Google Sheets

  Convert public Google Sheets into clean JSON or CSV. Sheet2JSON is a lightweight extractor that reads Google Sheets and outputs structured data formats that are ready to use in websites, apps, and scripts.

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 0

• 

  SelectorsHub

  Locators Plugin to Auto Generate and Verify Playwright Locators, XPath & CSS Selectors.

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 10