Speed control feature in video player

I am following this link (https://wplms.io/support/knowledge-base/compatibility-with-fv-flowplayer-plugin/) and its still giving me error. This is the error that I am getting while trying to load the video : I'm sorry, your JavaScript appears to be broken. Please use "Check template" in plugin settings, read our troubleshooting guide, troubleshooting guide for programmers or order our pro support and we will get it fixed for you. When I click on check template in fv player settings, this is what i get : You are using W3 Total Cache with JS Minify enabled. The template check might not be accurate. Please check your videos manually. html5.js not found in your template! Videos might not play in old browsers, like Internet Explorer 6-8. Read our instrutions here. It appears there are no Flowplayer scripts on your site, your videos might not be playing, please check. Check your template's header.php file if it contains wp_head() function call and footer.php should contain wp_footer()! It appears there are no jQuery library on your site, your videos might not be playing, please check.