スキップしてメインコンテンツに移動

These extensions and wallpapers are made for the Opera browser.

Download Opera browser with:

  • built-in ad blocker
  • battery saver
  • free VPN

These extensions and wallpapers are made for the Opera browser.

すべて表示
x
(X)HTML5 Checker 用のアイコン

(X)HTML5 Checker

4.0 / 5
  • あなたの評価
評価の総数: 2

プライバシーポリシー

The add-on uses the HTML validation service APIs available on this page - https://validator.w3.org/nu/. If you wish to receive more information on the validation of the html code offered by W3C you can find all the information on this page - https://validator.w3.org/nu/about.html

Back to (X)HTML5 Checker details