Hello,
My name is Sergey. I am Freelancer from Saint Petersburg, Russia.
I can help you as an experienced WordPress programmer to fix issue about "not secure" and make your site HTTPS based, actually use installed SSL certificate.
2000+ successfully completed projects, including 300+ WordPress projects, speak for me. Links and reviews from my past clients available in my profile.
I am an individual, I am not a company in any meaning.
I need FTP or SSH access to start right now. And login/password into "wp-admin" Dashboard.
I can communicate via Freelancer.com.
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Sergey aka Takereal