Stealth URL Cleaner

Silently cleans URLs by removing tracking parameters and other clutter.

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

You will need to install an extension such as Tampermonkey 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        Stealth URL Cleaner
// @description Silently cleans URLs by removing tracking parameters and other clutter.
// @license     BSD 3-Clause
// @author      ZerSKYi
// @namespace   zsk-url-cleaner
// @run-at      document-start
// @version     1.0
// @match       *://*/*
// @grant       none
// ==/UserScript==

(function() {
    'use strict';

    const specificRules = [
        {
            regex: /^(https?:\/\/(?:[a-z0-9-]+\.)*aliexpress\.(?:[a-zA-Z.]{2,15})\/(?:item|store\/product))(\/[0-9_]+\.html)/,
            clean: (groups) => groups[1] + groups[2]
        },
        {
            regex: /^(https?:\/\/(?:www\.)?amazon\.(?:[a-zA-Z.]{2,15})\/(?:(?:[a-z]{2}(?:-[A-Z]{2})?\/)?(?:[^/]+\/))?dp\/)([A-Z0-9]{10})/,
            clean: (groups) => groups[1] + groups[2]
        },
        {
            regex: /^(https?:\/\/(?:www\.)?temu\.com\/)((?:[a-z]{2}(?:-[a-zA-Z]{2,4})?\/)?(?:[\w\-.%]+-g-\d+)\.html)/,
            clean: (groups) => groups[1] + groups[2]
        },
        {
            regex: /^(https?:\/\/(?:www\.)?temu\.com\/)((?:[a-z]{2}(?:-[a-zA-Z]{2,4})?\/)?search_result\.html\?search_key=[^&]+)/,
            clean: (groups) => groups[1] + groups[2]
        }
    ];

    const genericTrackingParamStrings = new Set([
        'utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content', 'utm_id',
        'utm_source_platform', 'utm_creative_format', 'utm_marketing_tactic',
        'fbclid', 'fb_action_ids', 'fb_action_types', 'fb_source',
        'gclid', 'gclsrc', 'dclid', '_gl',
        'msclkid', 'ocid',
        '_hsenc', '_hsmi', 'hsctatracking',
        'mc_cid', 'mc_eid',
        'mkt_tok',
        'yclid', '_openstat',
        's_kwcid', 'ef_id',
        'igshid', 'igsh', 'si', 'spm', 'epik',
        'pk_campaign', 'pk_kwd', 'pk_source', 'pk_medium',
        'piwik_campaign', 'piwik_kwd', 'piwik_source', 'piwik_medium',
        'mtm_campaign', 'mtm_kwd', 'mtm_source', 'mtm_medium', 'mtm_content',
        'mtm_cid', 'mtm_group', 'mtm_placement',
        '_x_sessn_id', 'refer_page_name', 'refer_page_id', 'refer_page_sn', 'is_back'
    ]);
    const genericTrackingParamRegexes = [];

    const currentHref = window.location.href;
    let newUrl = currentHref;
    let urlModified = false;

    for (const rule of specificRules) {
        const match = currentHref.match(rule.regex);
        if (match && match.length >= 3) {
            const cleanCandidate = rule.clean(match);
            if (currentHref.startsWith(cleanCandidate) && currentHref.length > cleanCandidate.length) {
                newUrl = cleanCandidate;
                urlModified = true;
                break;
            }
        }
    }

    const urlToProcessForGeneric = urlModified ? newUrl : currentHref;

    if (urlToProcessForGeneric.includes('?')) {
        try {
            const urlObject = new URL(urlToProcessForGeneric);
            const params = urlObject.searchParams;
            const paramsToDelete = [];

            for (const key of params.keys()) {
                const keyLower = key.toLowerCase();
                if (genericTrackingParamStrings.has(keyLower) ||
                    genericTrackingParamRegexes.some(regex => regex.test(key))) {
                    paramsToDelete.push(key);
                }
            }

            if (paramsToDelete.length > 0) {
                paramsToDelete.forEach(key => params.delete(key));
                newUrl = urlObject.toString();
                urlModified = true;
            } else if (urlModified && newUrl !== urlObject.toString()) {
                newUrl = urlObject.toString();
            }
        } catch (e) {}
    }

    if (urlModified && newUrl !== currentHref) {
        try {
            history.replaceState(null, '', newUrl);
        } catch (e) {}
    }
})();