W3C Markup Validation Service

Related

• 

  Clear Cache

  Clear your cache and browsing data with a single click of a button.

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 1

• 

  Dev extensions reload

  Reload enabled development extensions

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 1

• 

  Web Developer

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

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 105

• 

  NoFollow

  Outline nofollow links, detect nofollow and noindex meta tags on webpages. Features website filtering and custom CSS outline styles.

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 15

• 

  Web Widgetizer

  Web Widgetizer is a extension offering a range of features to enhance browsing. It allows users to create separate Opera windows for specific websites, manage favorite links, customize window dimensions, toggle auto-start, and open links in popup tabs via button click or shortcut (Ctrl + Shift + A). This versatile tool optimizes browsing convenience and efficiency.

  คะแนน: จำนวนคะแนนรวมทั้งหมด: 2