// ==UserScript==
// @name         Hide offline presence dot on old reddit
// @namespace    https://mathemaniac.org
// @version      1.0.2
// @description  Hides the offline presence dot from old reddit. Only hides offline presence, so you notice if you're displayed as online. https://old.reddit.com/r/changelog/comments/lx08r2/announcing_online_presence_indicators/
// @author       Sebastian Paaske Tørholm
// @match        https://old.reddit.com/*
// @icon         https://www.google.com/s2/favicons?domain=reddit.com
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function() {
    'use strict';

    function removeDot() {
        if (! document.head) {
            setTimeout(removeDot, 50);
            return;
        }

        document.head.insertAdjacentHTML('beforeend', `
<style>#header-bottom-right .presence_circle.offline { display: none !important; }</style>
        `);
    }

    removeDot();
})();

// ==UserScript==
// @name         Hide offline presence dot on old reddit
// @namespace    https://mathemaniac.org
// @version      1.0.1
// @description  Hides the offline presence dot from old reddit. Only hides offline presence, so you notice if you're displayed as online. https://old.reddit.com/r/changelog/comments/lx08r2/announcing_online_presence_indicators/
// @author       Sebastian Paaske Tørholm
// @match        https://old.reddit.com/*
// @icon         https://www.google.com/s2/favicons?domain=reddit.com
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function() {
    'use strict';

    document.head.insertAdjacentHTML('beforeend', `
<style>#header-bottom-right .presence_circle.offline { display: none !important; }</style>
    `);
})();

--- 
+++ 
@@ -1,7 +1,7 @@
 // ==UserScript==
 // @name         Hide offline presence dot on old reddit
 // @namespace    https://mathemaniac.org
-// @version      1.0.1
+// @version      1.0.2
 // @description  Hides the offline presence dot from old reddit. Only hides offline presence, so you notice if you're displayed as online. https://old.reddit.com/r/changelog/comments/lx08r2/announcing_online_presence_indicators/
 // @author       Sebastian Paaske Tørholm
 // @match        https://old.reddit.com/*
@@ -13,7 +13,16 @@
 (function() {
     'use strict';
 
-    document.head.insertAdjacentHTML('beforeend', `
+    function removeDot() {
+        if (! document.head) {
+            setTimeout(removeDot, 50);
+            return;
+        }
+
+        document.head.insertAdjacentHTML('beforeend', `
 <style>#header-bottom-right .presence_circle.offline { display: none !important; }</style>
-    `);
+        `);
+    }
+
+    removeDot();
 })();
Handle document.head not being ready yet.
