Troubleshooting & Errors

Fix broken or missing images, connection errors, and every error message explained.

5 articles

Why did an image fail to optimize?Look up any error message shown on a single image in the Media Library or bulk queue.Why did restoring an image fail?What the restore and backup error messages mean and how to fix them.How do I fix an invalid or revoked API key?What the invalid-key warning means and how to reconnect so optimizing resumes.Why can't SlashImage connect to the optimization service?A connection error means your site could not reach api.slashimage.com. Here is what each message means and what to check.What do the web compressor tool errors mean?Look up any error from the drag-and-drop compressor tool at slashimage.com — these are separate from the WordPress plugin.