WordPress Speed Up Service | WordPress Website Maintenance Packages Is Installing an SSL certificate inside wordpress possible., by manicx100 I have a site served over http. I have generated SSL certifcates using Let’s Encrypt uploaded to public directory via FTP. Installed Really simple ssl plugin Activated ssl It is using the wrong invalid certificate. I assume the certificate is not installed and this needs to be handled by my hosting provider but they do not offer FREE installations of custom SSL certificates. Can I force this in wordpress? Is Installing an SSL certificate inside wordpress possible.