404Watcher
Stop paying for clicks that land on broken 404 pages.
404Watcher launched on May 12, 2026 with 2 votes, #6,288 of 20,538 launches that month.
What it does
Facebook's Ad Manager never tells you when a landing page breaks. 404Watcher automatically scans every active ad URL across all your Meta accounts every 2-24h. Get instant alerts before your budget bleeds into broken pages.
404Watcher automatically checks every active Facebook Ad URL every hour. Get instant alerts when a landing page breaks - before your budget bleeds. Start for €3.70/mo with a free one-time audit.
404Watcher checks every active ad URL every hour and alerts you if it detects 404 URL errors. 404Watcher checks every active ad URL every hour and alerts you if it detects 404 URL errors. Welcome to 404Watcher dashboard. Below you'll find a summary of recent checks. The last bulk check scanned 157 Facebook Ad accounts and found 3 broken links. Your Meta Ads Manager doesn't tell you when a landing page breaks. Nobody does, unless you have 404Watcher. Meta charges you for every click, even if the user lands on a broken 404 page. There's no refund, no pause, no warning. The budget just drains. Landing pages break during server updates, domain changes, or campaigns going live at odd hours. Most…from 404watcher.com
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