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
- 15,039
- Category
- Developer Tools
- Version
- 1.5.1
- Size
- 3.4 KB
- Last update
- 25 Aug 2015
- Licence
Related
-
Custom Style Script
Add Custom JavaScript (JS) Code or Styles (CSS) to any page.
Rating: Total number of ratings: 14
-
FullScreen for Opera
Fullscreen, #1 Zoom and Dark Mode more options will get in one
Rating: Total number of ratings: 3
-
Open in Waterfox
Open current page, link, or all tabs in the Waterfox browser.
Rating: Total number of ratings: 1
-
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: 152
-
Website Links Checker
This tool helps you check all links from a page you are currently viewing.
Rating: Total number of ratings: 2