Install with tamper monkey, adds highlights to common links for developers, to increase your efficiency when googling

GoogleDevSearch.js

// ==UserScript==
// @name         Google DevSearch Power Edition — Crawler Engine v9.1 (2025 Final)
// @description  Ultra-stable universal crawler for Google SERPs with domain highlighting & filtering.
// @version      9.1
// @include      *://www.google.*/*
// @run-at       document-end
// @grant        none
// ==/UserScript==

(() => {
'use strict';

/**********************************************************************
 * 1. UNIVERSAL LINK SELECTORS — WORKS WITH YOUR REDDIT HTML
 **********************************************************************/
const LINK_SELECTORS = `
    a[href^="http"],
    a[href^="/url"],
    a[jsname][href],
    a[data-ved][href],
    a[role="link"][href],
    div[jscontroller] a[href]
`;

/**********************************************************************
 * 2. URL EXTRACTION ENGINE — MATCHES YOUR EXACT SNIPPET
 **********************************************************************/
function extractRealURL(a) {
    try {
        // Direct normal URL (Google now does this for Reddit)
        if (a.href && a.href.startsWith("http"))
            return a.href;

        const h = a.getAttribute("href");
        if (h && h.startsWith("/url?")) {
            const q = new URLSearchParams(h.split("?")[1]).get("q");
            if (q && q.startsWith("http")) return q;
        }

        // URL buried inside data-ved
        const dved = a.getAttribute("data-ved") || "";
        const m1 = dved.match(/https?:\/\/[^\s"'<>]+/);
        if (m1) return m1[0];

        // URL inside JS metadata inside children (image search patterns)
        const html = a.innerHTML;
        const m2 = html.match(/https?:\/\/[^\s"'<>]+/);
        if (m2) return m2[0];
    } catch (e) {}

    return null;
}

/**********************************************************************
 * 3. HOST NORMALIZATION
 **********************************************************************/
function getHost(url) {
    try { return new URL(url).hostname.replace(/^www\./, ""); }
    catch { return ""; }
}

/**********************************************************************
 * 4. UNIVERSAL RESULT BOX DETECTOR
 *    — This is what makes Reddit & new SERP layouts highlight again.
 **********************************************************************/
function getBox(el) {
    let n = el.parentElement;
    while (n) {
        if (
            n.matches("div.g") ||                 // old Google result
            n.matches("div.MjjYud") ||            // newer Google result
            n.matches("div[data-hveid]") ||       // informational cards
            n.matches("div[data-ved]") ||         // all SERP modules
            n.matches("div[jscontroller]") ||     // weird mixed modules
            n.matches("a[jsname]") ||             // SGE / AI modules
            n.matches("div:not(:has(a[href]))")   // fallback safe container
        ) {
            return n;
        }
        n = n.parentElement;
    }
    return null;
}

/**********************************************************************
 * 5. DOMAIN CATEGORIES (trimmed but complete — Reddit fixed)
 **********************************************************************/
const SITES = {
    reference:new Set([
        "developer.mozilla.org","docs.microsoft.com","learn.microsoft.com",
        "rust-lang.org","python.org","postgresql.org",
        "wiki.osdev.org","os.phil-opp.com","attack.mitre.org"
    ]),

    recommend:new Set([
        "roadmap.sh","refactoring.guru","devdocs.io","devhints.io",
        "libhunt.com","alternativeto.net","awesome-selfhosted.com"
    ]),

    security:new Set([
        "hacktricks.xyz","portswigger.net","ctf101.org",
        "vx-underground.org","haveibeenpwned.com","grep.app"
    ]),

    privacy:new Set([
        "privacyguides.org","privacytools.io","anonymousplanet.org",
        "browserleaks.com"
    ]),

    tools:new Set([
        "godbolt.org","dogbolt.org","regex-generator.olafneumann.org",
        "codebeautify.org","openvim.com","cmdchallenge.com"
    ]),

    courses:new Set([
        "khanacademy.org","codecademy.com","sololearn.com",
        "teachyourselfcs.com"
    ]),

    search_engines:new Set([
        "you.com","perplexity.ai","phind.com","metager.org","qwant.com"
    ]),

    books:new Set([
        "beej.us","cses.fi","visualgo.net","algs4.cs.princeton.edu"
    ]),

    practice:new Set([
        "exercism.org","codewars.com","hackthebox.com","tryhackme.com",
        "overthewire.org"
    ]),

    media:new Set([
        "videocopilot.net","texturelabs.org","greyscalegorilla.com"
    ]),

    public:new Set(["qiita.com"]),

    forum:new Set([
        "reddit.com",   // <-- THIS FIXES YOUR REDDIT RESULT
        "old.reddit.com",
        "m.reddit.com",
        "stackexchange.com",
        "stackoverflow.com",
        "medium.com"
    ]),

    blacklist:new Set([
        "softonic.com","dll-files.com","systweak.com","chip.de",
        "reviversoft.com","tutorialmore.com","voidcc.com","it-swarm.dev"
    ])
};

/**********************************************************************
 * 6. SETTINGS (minimal version for stability)
 **********************************************************************/
const SETTINGS = {
    enabled:true,
    blockBlacklist:true,
    highlightReference:true,
    highlightRecommend:true,
    highlightSecurity:true,
    highlightPrivacy:true,
    highlightTools:true,
    highlightCourses:true,
    highlightSearch:true,
    highlightBooks:true,
    highlightPractice:true,
    highlightMedia:true,
    highlightPublic:true,
    highlightForum:true  // <-- Reddit category
};

/**********************************************************************
 * 7. CATEGORY COLORS
 **********************************************************************/
const COLORS = {
    reference:"#D0F2FF",
    recommend:"#D7FFE5",
    security:"#FFE0E0",
    privacy:"#E6E0FF",
    tools:"#FFF0D5",
    courses:"#D5F0FF",
    search:"#F0D5FF",
    books:"#E0FFD5",
    practice:"#FFF5D5",
    media:"#F8E8FF",
    public:"#F5CCFF",
    forum:"#FFECCF"
};

/**********************************************************************
 * 8. CATEGORY MATCHER (with subdomain support)
 **********************************************************************/
function domainMatch(h,set) {
    return [...set].some(d => h===d || h.endsWith("."+d));
}

function classify(h){
    if (SETTINGS.blockBlacklist && domainMatch(h,SITES.blacklist)) return "blacklist";
    if (SETTINGS.highlightForum && domainMatch(h,SITES.forum)) return "forum";
    if (SETTINGS.highlightReference && domainMatch(h,SITES.reference)) return "reference";
    if (SETTINGS.highlightRecommend && domainMatch(h,SITES.recommend)) return "recommend";
    if (SETTINGS.highlightSecurity && domainMatch(h,SITES.security)) return "security";
    if (SETTINGS.highlightPrivacy && domainMatch(h,SITES.privacy)) return "privacy";
    if (SETTINGS.highlightTools && domainMatch(h,SITES.tools)) return "tools";
    if (SETTINGS.highlightCourses && domainMatch(h,SITES.courses)) return "courses";
    if (SETTINGS.highlightSearch && domainMatch(h,SITES.search_engines)) return "search";
    if (SETTINGS.highlightBooks && domainMatch(h,SITES.books)) return "books";
    if (SETTINGS.highlightPractice && domainMatch(h,SITES.practice)) return "practice";
    if (SETTINGS.highlightMedia && domainMatch(h,SITES.media)) return "media";
    if (SETTINGS.highlightPublic && domainMatch(h,SITES.public)) return "public";
    return null;
}

/**********************************************************************
 * 9. HIGHLIGHT + TAGGING
 **********************************************************************/
function highlightBox(box,c){
    box.style.setProperty("background",c,"important");
    box.style.setProperty("background-color",c,"important");
}

function addTag(box,text){
    if(box.querySelector(".gdev-tag")) return;
    let s=document.createElement("span");
    s.textContent=text;
    s.style=`
        background:#e5e7eb;
        padding:2px 6px;
        font-size:10px;
        margin-left:6px;
        border-radius:6px;
        font-weight:600;
    `;
    const h=box.querySelector("h3");
    if(h) h.appendChild(s);
}

function addRemoveBtn(box){
    if(box.querySelector(".gdev-remove")) return;
    let b=document.createElement("button");
    b.innerHTML="&#10005;";
    b.style=`
        position:absolute;top:6px;right:8px;width:18px;height:18px;
        border:none;border-radius:50%;background:#e5e7eb;color:#444;
        display:flex;justify-content:center;align-items:center;
        cursor:pointer;font-size:12px;
    `;
    b.onclick=e=>{e.stopPropagation();box.remove();};
    box.style.position="relative";
    box.appendChild(b);
}

/**********************************************************************
 * 10. PROCESS ENTIRE PAGE
 **********************************************************************/
function process(root=document){
    root.querySelectorAll(LINK_SELECTORS).forEach(a=>{
        const url = extractRealURL(a);
        if(!url || !url.startsWith("http")) return;

        const h = getHost(url);
        if(!h) return;

        const cat = classify(h);
        if(!cat) return;

        const box = getBox(a);
        if(!box) return;

        if(cat==="blacklist") { box.remove(); return; }

        highlightBox(box, COLORS[cat]);
        addTag(box, cat);
        addRemoveBtn(box);
    });
}

/**********************************************************************
 * 11. REAL-TIME MUTATION OBSERVER
 **********************************************************************/
new MutationObserver(m => {
    for(const r of m)
        for(const n of r.addedNodes)
            if(n.nodeType===1) process(n);
}).observe(document.body,{childList:true,subtree:true});

/**********************************************************************
 * 12. INITIAL EXECUTION
 **********************************************************************/
process();

})();