"Published Date" uses around 40 different ways to try to find out when the web page you are visiting was published and when it was last edited / updated.
Therefore, there can be multiple possible (and even different) results.

Install

• License: MIT License
• Weekly downloads: 2
• Average daily users: 7
• Rating: 0/5 of 0 ratings
• Created: 2023-05-05 17:18:52
• Last updated: 2023-06-11 13:30:44
• Homepage: https://github.com/ndsvw/Published-Date
• Support site and email
• Orig: https://addons.mozilla.org/en-US/firefox/addon/published-date/
• API: {287bb418-58d1-4892-9f5d-688215203046}