WordPress Plugins
WordPress Plugins – The best and most important WordPress plugins, plugin problems and solutions.
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![The request to the authentication proxy has failed with an error: site not found [SOLVED]](https://wordpressmojo.com/wp-content/uploads/2025/05/image.png)
The request to the authentication proxy has failed with an error: site not found [SOLVED]
Solution to fix this error for Google Site Kit Plugin.
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Akismet Error Code: 10003
Did you see “Akismet Error Code: 10003” on your WordPress blog? Find out how you can still use Akismet without purchasing subscription.
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WordPress Responsive YouTube Video
Tutorial explaining how to make YouTube videos responsive so that they are optimized for mobile and tablets.
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Advanced Custom Fields “Invalid Value”
Advanced Custom Fields plugin is broken, it doesn’t allow decimal values in the number field in Chrome browser.
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