FBTitle Fix

Replaces generic Facebook tab title with the actual page or group name

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         FBTitle Fix
// @namespace    https://github.com/2u841r/FBTitle-Fix
// @version      1.0.1
// @description  Replaces generic Facebook tab title with the actual page or group name
// @author       Zubair Ibn Zamir
// @license      MIT
// @match        *://*.facebook.com/*
// @grant        none
// @run-at       document-idle
// ==/UserScript==

(function () {
  'use strict';

  function getPageName() {
    // Primary: h1 button div (old page/group name header)
    const h1btn = document.querySelector('h1 div[role="button"]');
    if (h1btn) {
      const text = h1btn.childNodes[0]?.textContent?.trim();
      if (text) return text;
    }

    // Fallback: h1 text (groups: h1 > span). Skip hidden/junk h1s like the
    // visually-hidden "Facebook" logo heading.
    for (const h1 of document.querySelectorAll('h1')) {
      const text = h1.textContent?.trim();
      if (!text || text === 'Facebook') continue;
      if (h1.getBoundingClientRect().width === 0) continue;
      return text;
    }

    // Fallback: 2026-07 layout, page header has no h1 anymore.
    // Tail of the header container path; atomic class hashes may break on FB redesigns.
    const span = document.querySelector('div.x1cy8zhl.x1614ocl > div > div > span > div');
    if (span) {
      const text = span.textContent?.trim();
      if (text) return text;
    }

    // Last resort: structural walk, no classes. First short standalone text
    // block inside main content, above the fold (header area).
    const main = document.querySelector('div[role="main"]');
    if (main) {
      const candidates = main.querySelectorAll('span > div');
      for (const el of candidates) {
        if (el.children.length > 0) continue;
        if (el.getBoundingClientRect().top > 600) break;
        const text = el.textContent?.trim();
        if (text && text.length >= 2 && text.length <= 100) return text;
      }
    }

    return null;
  }

  function updateTitle() {
    const name = getPageName();
    if (name && !document.title.startsWith(name)) {
      document.title = name + ' | Facebook';
    }
  }

  const observer = new MutationObserver(() => updateTitle());
  observer.observe(document.body, { childList: true, subtree: true });

  const _pushState = history.pushState.bind(history);
  history.pushState = function (...args) {
    _pushState(...args);
    setTimeout(updateTitle, 500);
  };

  window.addEventListener('popstate', () => setTimeout(updateTitle, 500));

  updateTitle();
})();