404Monitor helps you track uptime, detect 404 errors, monitor status codes, and receive instant alerts — all from one clean dashboard.
Check your website availability 24/7 and get notified instantly when downtime occurs.
Automatically detect broken links and missing pages that hurt SEO and user experience.
Monitor HTTP status codes (200, 301, 404, 500) to catch issues early.
Instantly check if a website is online, offline, or returning errors. No signup required.
Try Free Status Checker