Improve Security with
Really Simple SSL Pro

    Submit your site to the HSTS preload list
    Easy implementable security headers: X-Content-Type-Options, X-XSS-Protection, X-Frame-Options, Expect-CT, Certificate Transparency, No Referrer When Downgrade header, Content Security Policy, Upgrade Insecure requests. Read the security headers article for more info
    Mixed content fixer for the back-end