just browse any webpage and if the webpage is missing X-Frame-Options header which mean that it is vulnerable to click-jacking

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• License: GNU General Public License v3.0 or later
• Weekly downloads: 10
• Average daily users: 92
• Rating: 5/5 of 2 ratings
• Created: 2019-07-12 14:14:55
• Last updated: 2019-07-13 14:20:10
• Homepage:
• Support site and email
• Orig: https://addons.mozilla.org/en-US/firefox/addon/click-jacking/
• API: {ea6626f7-a9a6-49ef-9b92-b124cd3a83ef}