SSL Green lock not secure issue or mixed content issue.. Many of WordPress users and developers face this issue after installing and activating SSL Cert the SSL Secure green lock is not showing up. Most of the time the main cause of this issue is calling HTTP requests over HTTPS. to be sure that it’s a mixed content issue..
Right click and click on inspect element or crtl+shift+i to show up the developer tools, then select console and check the errors you have .. it should look like this
there is 2 ways to solve the Mixed content error and get the secure green lock ..
first way is to solve it manually you have to follow all the links showing up on the console and change http to https
second way is enabling the WordPress mixed content fixer hook and Auto replace mixed content, you can do that using “Really simple SSL” it is a great and useful plugin. after installing and activating the “Really simple plugin”.. Go ahead and click on activate SSL blue button.
after activating the SSL go to settings, be sure that both WordPress mixed content fixer hook and Auto replace mixed content are checked.
and now enjoy your website with SSL Secure green lock .