Canonical version history - 4 versions
Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 1.3
Released 26 Mar 2025 - 13.92 kBWorks with firefox 58.0 and laterAdded a second check for websites that insert the canonical link lateSource code released under Public Domain
Download Firefox and get the extensionYou'll need Firefox to use this extensionOlder versions
Version 1.2
Released 7 Feb 2023 - 13.87 kBWorks with firefox 48.0 and later, android 48.0 to 68.*Added ability to right-click and copy canonical URL (thanks https://github.com/Cimbali)Source code released under Public Domain
Version 1.1
Released 16 Mar 2018 - 10.69 kBWorks with firefox 48.0 and later, android 48.0 to 68.*1.1 (Mar 16, 2018) — Added tooltip for canonical URL to icon (thanks https://github.com/Enyby)Source code released under Public Domain
Version 1.0
Released 24 Jan 2018 - 10.26 kBWorks with firefox 48.0 and later, android 48.0 to 68.*Source code released under Public Domain