WordWhippet is a free optmisation plugin with multiple options to speed up your WordPress site & improve your site’s search engine rankings & PageSpeed Insights scores. Options included: Minify site source code Enable Cache Control Headers Async Javascript Defer Javascript Enable Gzip Compression Remove Query Strings Disable hotlinking Disable Emoticons Disable Comment Scripts Disable Auto Embedding Disable Jquery Migrate Disable Really Simple Discovery Disable Shortlinks Disable XML_RPC Remove WLManifest Link Disable self-pingback Disable heartbeat api Disable Dashicons on the front-end Disable or limit post revisions Hide WordPress/WooCommerce Version tags