Error 404 Wayback Machine by Didier Lafleur
Checks every 404 pages. If an archive exists in archive.org, a banner is displayed to open this archive.
You'll need Firefox to use this extension
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About this extension
Error 404 Wayback Machine detects error codes 404, 408, 410, 451, 500, 502, 503, 504, 509, 520, 521, 523, 524, 525, and 526 and checks to see if archived versions of the URLs requested are available. If they are, a message will be displayed offering the opportunity to view the archived version.
To test this try going to: https://www.whitehouse.gov/the-record/climate
To test this try going to: https://www.whitehouse.gov/the-record/climate
Developer comments
To test this try going to: https://www.whitehouse.gov/the-record/climate
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This add-on needs to:
- Access your data for all websites
More information
- Add-on Links
- Version
- 1.3resigned1
- Size
- 268.38 KB
- Last updated
- 8 months ago (Apr 25, 2024)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
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