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I have a wordpress site where thumbnails are HTTP and full size images are HTTPS. The thumbnails are causing mixed content warnings. Clicking the thumbnail opens the full image.
I noticed the issue after the SSL certificate was updated. I didn’t notice any issues before the update but wasn’t looking for any so cannot 100% confirm there weren’t any.
Is this a common issue and is there a simple fix?
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It sounds like you might need to update the URLs of your thumbnails to HTTPS. One way to fix this is by using a plugin like “Really Simple SSL” or “Better Search Replace” to update all the HTTP URLs to HTTPS.