W3C Validator Errors icon

W3C Validator Errors

by Joseph Michel

v1.0 Updated May 21, 2025 18.4KiB
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Description

Checking the web page HTML validity using the validator.w3.org validation api, Html validity is essential for web accessibility.
W3C Validator Errors screenshot 1

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Permissions (2)

Permissions

activeTab Can access the current tab when you click the extension scripting Can inject scripts into web pages

Details

Version 1.0
Updated May 21, 2025
Size 18.4KiB
First Seen Mar 22, 2026