Opera browser required.
Right clicking a page allows you to validate the page using W3C NU Validator.
How to use:
1. Right click any page
2. Select 'Validate this page'
3. See the Validation results in a new tab.
- This extension can access your data on all websites.
Screenshot
About the extension
- Downloads
- 15,332
- Category
- Developer Tools
- Version
- 1.5.1
- Size
- 3.4 KB
- Last update
- 25 Aug 2015
- Licence
Related
-
PageSpeed Insights
This will take the URL of the current tab and send it to PageSpeed Insights for a web performance analysis.
Rating: Total number of ratings: 3
-
Web Developer
Adds a toolbar button with various web developer tools. The official port of the Web Developer extension for Firefox.
Rating: Total number of ratings: 125
-
Polypane helper
Open the current page or links in Polypane, the developer tool for responsive web development and design.
Rating: Total number of ratings: 1
-
CSS & JS Injector
Easily customize your browsing experience CSS & JS Injector is a tool for developers, designers, and power users. Apply custom CSS styles and JavaScript to specific websites effortlessly. Boost productivity and customize the look, feel, and functionality of websites without altering its source code.
Rating: Total number of ratings: 2
-
TestCase Studio
TestCase Studio record the user actions performed on a web application in English Sentences.
Rating: Total number of ratings: 3