Sometimes it is necessary to exclude a certain URL from the mixed content fixer. For those who don’t know already: the mixed content fixer in Really Simple SSL changes all URLs from http to https, except for hyperlinks to other domains. This can be easily
Really Simple SSL adds a HTML comment to the source of your website. Since 2.4 this is a data attribute. This makes it easy to check if the Mixed content fixer is active. This is necessary because sometimes other plugins block the Mixed content fixer.
What is mixed content and how to fix it.