diff --git a/websites/H/Hackviser/metadata.json b/websites/H/Hackviser/metadata.json
new file mode 100644
index 000000000000..9359e40b71b6
--- /dev/null
+++ b/websites/H/Hackviser/metadata.json
@@ -0,0 +1,27 @@
+{
+  "$schema": "https://schemas.premid.app/metadata/1.16",
+  "apiVersion": 1,
+  "author": {
+    "id": "378501743366897675",
+    "name": "hackviser"
+  },
+  "service": "Hackviser",
+  "description": {
+    "en": "Hackviser is an online cybersecurity training platform where you can practice hacking skills through labs, CTF challenges, learning paths, and real-world scenarios.",
+    "tr": "Hackviser, laboratuvarlar, CTF yarışmaları, öğrenme yolları ve gerçek dünya senaryoları aracılığıyla siber güvenlik becerilerinizi geliştirebileceğiniz çevrimiçi bir eğitim platformudur."
+  },
+  "url": "hackviser.com",
+  "regExp": "^https?[:][/][/]([a-zA-Z0-9-]+[.])*hackviser[.]com[/]",
+  "version": "1.0.0",
+  "logo": "https://i.ibb.co/ns57qq7g/512x512.jpg",
+  "thumbnail": "https://github.com/user-attachments/assets/bf3d8382-4789-494e-802a-244f571bf676?v=.png",
+  "color": "#00ff00",
+  "category": "other",
+  "tags": [
+    "cybersecurity",
+    "hacking",
+    "ctf",
+    "labs",
+    "learning"
+  ]
+}
diff --git a/websites/H/Hackviser/presence.ts b/websites/H/Hackviser/presence.ts
new file mode 100644
index 000000000000..a04f2a42927e
--- /dev/null
+++ b/websites/H/Hackviser/presence.ts
@@ -0,0 +1,292 @@
+const presence = new Presence({
+  clientId: '1476565376513999030',
+})
+
+let startTimestamp = Math.floor(Date.now() / 1000)
+let lastPage = ''
+
+/**
+ * Converts a URL slug into a human-readable title.
+ */
+function extractPageTitle(pathname: string): string | null {
+  const parts = pathname.split('/').filter(p => p.length > 0)
+  if (parts.length >= 2) {
+    const slug = parts[parts.length - 1] || ''
+    return slug
+      .replace(/[-_]/g, ' ')
+      .replace(/\b\w/g, l => l.toUpperCase())
+  }
+  return null
+}
+
+/**
+ * Determines page info from the current pathname.
+ */
+function getPageData(pathname: string): {
+  page: string
+  details: string
+  state: string
+  sensitive: boolean
+} {
+  // ── Auth pages (sensitive) ──────────────────────────────────
+  if (
+    pathname.startsWith('/login')
+    || pathname.startsWith('/register')
+    || pathname.startsWith('/forgot')
+    || pathname.startsWith('/reset')
+  ) {
+    return {
+      page: 'login',
+      details: 'Logging In',
+      state: '',
+      sensitive: true,
+    }
+  }
+
+  // ── Home ────────────────────────────────────────────────────
+  if (pathname.startsWith('/home') || pathname === '/') {
+    return {
+      page: 'home',
+      details: 'Home Page',
+      state: 'Viewing Home Page',
+      sensitive: false,
+    }
+  }
+
+  // ── Dashboard ───────────────────────────────────────────────
+  if (pathname.startsWith('/dashboard')) {
+    return {
+      page: 'dashboard',
+      details: 'Dashboard',
+      state: 'Viewing Stats',
+      sensitive: false,
+    }
+  }
+
+  // ── Academy ─────────────────────────────────────────────────
+  if (pathname.startsWith('/academy')) {
+    const subPage = extractPageTitle(pathname)
+    return {
+      page: 'academy',
+      details: 'Academy',
+      state: subPage || 'Browsing Categories',
+      sensitive: false,
+    }
+  }
+
+  // ── Warmups ─────────────────────────────────────────────────
+  if (
+    pathname.startsWith('/warmups')
+    || pathname.startsWith('/warmup')
+  ) {
+    const name = extractPageTitle(pathname)
+    return {
+      page: 'warmups',
+      details: 'Warmups',
+      state: name || 'Warming Up...',
+      sensitive: false,
+    }
+  }
+
+  // ── Scenarios ───────────────────────────────────────────────
+  if (
+    pathname.startsWith('/scenarios')
+    || pathname.startsWith('/scenario')
+  ) {
+    const name = extractPageTitle(pathname)
+    return {
+      page: 'scenarios',
+      details: 'Scenarios',
+      state: name || 'Running Scenario',
+      sensitive: false,
+    }
+  }
+
+  // ── Missions ────────────────────────────────────────────────
+  if (
+    pathname.startsWith('/missions')
+    || pathname.startsWith('/mission')
+  ) {
+    const name = extractPageTitle(pathname)
+    return {
+      page: 'missions',
+      details: 'Missions',
+      state: name || 'On a Mission',
+      sensitive: false,
+    }
+  }
+
+  // ── Certifications ──────────────────────────────────────────
+  if (
+    pathname.startsWith('/certifications')
+    || pathname.startsWith('/certification')
+  ) {
+    const name = extractPageTitle(pathname)
+    return {
+      page: 'certifications',
+      details: 'Certifications',
+      state: name || 'Viewing Certifications',
+      sensitive: false,
+    }
+  }
+
+  // ── Labs / Machines ─────────────────────────────────────────
+  if (
+    pathname.startsWith('/labs')
+    || pathname.startsWith('/lab')
+    || pathname.startsWith('/machines')
+  ) {
+    const labName = extractPageTitle(pathname)
+    return {
+      page: 'labs',
+      details: 'Solving Labs',
+      state: labName || 'Hacking in Progress...',
+      sensitive: false,
+    }
+  }
+
+  // ── Support ─────────────────────────────────────────────────
+  if (pathname.startsWith('/support')) {
+    return {
+      page: 'support',
+      details: 'Support',
+      state: 'Getting Support',
+      sensitive: false,
+    }
+  }
+
+  // ── Learning Paths / Courses ────────────────────────────────
+  if (
+    pathname.startsWith('/learning')
+    || pathname.startsWith('/paths')
+    || pathname.startsWith('/courses')
+  ) {
+    return {
+      page: 'learning',
+      details: 'Learning Paths',
+      state: 'Studying Cyber Security',
+      sensitive: false,
+    }
+  }
+
+  // ── CTF / Challenges ────────────────────────────────────────
+  if (
+    pathname.startsWith('/ctf')
+    || pathname.startsWith('/challenges')
+  ) {
+    return {
+      page: 'ctf',
+      details: 'CTF Challenge',
+      state: 'Capturing Flags',
+      sensitive: false,
+    }
+  }
+
+  // ── Account Settings ────────────────────────────────────────
+  if (pathname.startsWith('/account/settings')) {
+    return {
+      page: 'settings',
+      details: 'Settings',
+      state: 'A few changes',
+      sensitive: false,
+    }
+  }
+
+  // ── Pricing Plans ───────────────────────────────────────────
+  if (pathname.startsWith('/pricing-plans')) {
+    return {
+      page: 'pricing',
+      details: 'Pricing Plans',
+      state: 'Looking Pricing Plans',
+      sensitive: false,
+    }
+  }
+
+  // ── FAQ ─────────────────────────────────────────────────────
+  if (pathname.startsWith('/frequently-asked-questions')) {
+    return {
+      page: 'faq',
+      details: 'Frequently Asked Questions',
+      state: 'Looking for answers',
+      sensitive: false,
+    }
+  }
+
+  // ── Profile / User ──────────────────────────────────────────
+  if (
+    pathname.startsWith('/profile')
+    || pathname.startsWith('/user')
+    || pathname.startsWith('/settings')
+  ) {
+    return {
+      page: 'profile',
+      details: 'Profile',
+      state: 'Viewing Profile',
+      sensitive: false,
+    }
+  }
+
+  // ── Leaderboard / Rankings ──────────────────────────────────
+  if (
+    pathname.startsWith('/leaderboard')
+    || pathname.startsWith('/scoreboard')
+    || pathname.startsWith('/ranking')
+  ) {
+    return {
+      page: 'leaderboard',
+      details: 'Leaderboard',
+      state: 'Checking Rankings',
+      sensitive: false,
+    }
+  }
+
+  // ── Ticket ──────────────────────────────────────────────────
+  if (pathname.startsWith('/ticket')) {
+    return {
+      page: 'ticket',
+      details: 'Ticket',
+      state: 'Viewing Ticket',
+      sensitive: false,
+    }
+  }
+
+  // ── Default: browsing ───────────────────────────────────────
+  return {
+    page: 'browsing',
+    details: 'Browsing Platform',
+    state: '',
+    sensitive: false,
+  }
+}
+
+// ── Main update loop ────────────────────────────────────────────
+presence.on('UpdateData', async () => {
+  const pathname = document.location.pathname
+  const pageData = getPageData(pathname)
+
+  // Reset timer when the page changes
+  if (pageData.page !== lastPage) {
+    startTimestamp = Math.floor(Date.now() / 1000)
+    lastPage = pageData.page
+  }
+
+  const presenceData: PresenceData = {
+    startTimestamp,
+    largeImageKey: 'https://i.ibb.co/ns57qq7g/512x512.jpg',
+  }
+
+  // 265. Satır: ESLint Brace Style Düzeltmesi
+  if (pageData.sensitive) {
+    presenceData.details = pageData.details
+  }
+  else {
+    if (pageData.details) {
+      presenceData.details = pageData.details
+    }
+    if (pageData.state) {
+      presenceData.state = pageData.state
+    }
+  }
+
+  presence.setActivity(presenceData)
+})