You can add the html in your website for single click is opening for two target pop-up window. Usually, only one pop-up window will appear for a single click in html. Just add the below script in your <a href=""> code. Higlighted in yellow color. It would not work in chrome. But it will work in firefox and Internet Explorer.
Just copy and paste it in your html editor and click the URL.
<a href="http://techyvicky.blogspot.com" target="_blank" onclick="window.open ("https://www.facebook.com/Techpillsorganization/likes");">http://techyvicky.blogspot.com</a>