JSFiddle - React, Tailwind, and code Playground
by jakelauer
HTML
<div id='referrer'></div>
JavaScript
jQuery(function($){
$('#referrer').text("Referrer: " + document.referrer);
var referrerDomain = document.referrer.replace(/(http|https):\/\//,'').split("/")[0];
var myDomain = "jsfiddle.net"; //Your domain name goes here
if( referrerDomain == myDomain && !document.referrer.match("index.html") )
alert('You arrived at this page from your domain, but not from index.html!')
});