How to automate and throttle Relevanssi indexing on large websites

First of all, update Relevanssi to the latest version. This significantly increased indexing performance on my 80,000+ page website.

Next, I created the following hacky solution for a problem that shouldn’t exist; the fact that Relevanssi cannot silently index everything without hogging all server resources. First find out the number of pages Relevanssi can index in one go without overloading your server, say 500. Then use the following Tampermonkey script on the Relevanssi settings page. You need Chrome’s Tampermonkey extension. Here’s what the script does:

  1. It enables jQuery on the Relevanssi dashboard.
  2. It waits 15 seconds, then clicks the “Continue indexing” button. Once the indexing is done and the page reloads, it waits 15 seconds, then clicks it again, and so on.
  3. Leave this running in a tab until all pages are indexed, then turn the script off and close the tab.

Below is the code:

// ==UserScript==
// @name       Relevanssi Index Button Clicker
// @namespace  http://hawramani.com
// @version    0.1
// @description  Click click click
// @match      http://mywordpressite.com/wp-admin/options-general.php?page=relevanssi/relevanssi.php
// @copyright  2014 jQuery, Ikram Hawramani
// ==/UserScript==


(function () {
 
    function loadScript(url, callback) {
 
        var script = document.createElement("script")
        script.type = "text/javascript";
 
        if (script.readyState) { //IE
            script.onreadystatechange = function () {
                if (script.readyState == "loaded" || script.readyState == "complete") {
                    script.onreadystatechange = null;
                    callback();
                }
            };
        } else { //Others
            script.onload = function () {
                callback();
            };
        }
 
        script.src = url;
        document.getElementsByTagName("head")[0].appendChild(script);
    }
 
    loadScript("https://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js", function () {
 
         //jQuery loaded
         console.log('jquery loaded');

        setTimeout(function(){$('[name="index_extend"]').click();},15000);
 
    });
 
 
})();

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