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add-on 'Search by Image'

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After Firefox let me know it is working slow on my computer I let it clean automatically. Result: an add-on 'Search by Image' doesn't work anymore. A pop-up appears; 'Content scripts are not allowed on this page'. How can I fix this problem?

Best, Johan

After Firefox let me know it is working slow on my computer I let it clean automatically. Result: an add-on 'Search by Image' doesn't work anymore. A pop-up appears; 'Content scripts are not allowed on this page'. How can I fix this problem? Best, Johan

Chosen solution

Have you checked the posted AMO Homepage for that "Search by Image" extension?
https://addons.mozilla.org/en-US/firefox/addon/search_by_image/

"Homepage" as shown in that AMO page under More Information for that extension is:
https://github.com/dessant/search-by-image/issues

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If you are experiencing difficulty downloading or viewing images through Firefox, follow the troubleshooting instructions below.

This article applies to:

  • Still image file formats such as PNG, GIF, and JPG
  • Animated file formats like animated GIF

This article does not apply to the following formats:

  • Video, such as MPG, WMV, and AVI. For more information, see Fix common audio and video issues.
  • Animated content that is displayed through a plugin, such as the Flash plugin. Learn more in Flash Plugin - Keep it up to date and troubleshoot problems.

Note: If you're having trouble with a website, click the icon in the address bar to see if Firefox has blocked parts of the page that are not secure. See Mixed content blocking in Firefox for details.

https://support.mozilla.org/en-US/kb/fix-problems-images-not-show

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Chosen Solution

Have you checked the posted AMO Homepage for that "Search by Image" extension?
https://addons.mozilla.org/en-US/firefox/addon/search_by_image/

"Homepage" as shown in that AMO page under More Information for that extension is:
https://github.com/dessant/search-by-image/issues