Hello,
Please read these articles: http://www.laplacef.com/2014/05/24/how-to-defer-parsing-javascript-in-wordpress/ http://www.elegantthemes.com/blog/tips-tricks/optimize-images-for-your-wordpress-website https://www.mvestormedia.com/leverage-browser-caching-w3-total-cache/ https://technumero.com/minify-javascript-and-css/
Regards
