I inserted the following code in a WordPress plugin:
wp_deregister_script(\'jquery\'); wp_register_script(\'jquery\', \"http://ajax.go
Probably one of wordpress plugins is using CloudFlare.
CloudFlare
https://support.cloudflare.com/hc/en-us/articles/200168056-What-does-Rocket-Loader-do-
Try disabling all the plugins and re-enabling them one by one to find out which one is causing this issue. It's not a problem actually.