Greasy Fork is available in English.
Redirects to the page of the own language
// ==UserScript==
// @name last.fm language redirect
// @version 0.1.2
// @description Redirects to the page of the own language
// @author CennoxX
// @namespace https://greasyfork.org/users/21515
// @homepage https://github.com/CennoxX/userscripts
// @supportURL https://github.com/CennoxX/userscripts/issues/new?title=[Last.fm%20language%20redirect]%20
// @match https://www.last.fm/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=last.fm
// @run-at document-start
// @grant none
// @license MIT
// ==/UserScript==
/* jshint esversion: 10 */
/* eslint quotes: ["warn", "double", {"avoidEscape": true}] */
/* eslint curly: "off" */
(function() {
"use strict";
var userLang = navigator.language.split("-")[0];
var availableLangs = /\b(de|es|fr|it|ja|pl|pt|ru|sv|tr|zh|en)\b/;
if (availableLangs.test(userLang)){
var pageLang = document.URL.split('/')[3];
if (userLang!=pageLang)
{
window.location.replace("https://www.last.fm/" + userLang + document.URL.substr(availableLangs.test(pageLang)?22:19));
}
}
})();