A self-hosted WordPress uptime monitoring plugin with dual-layer architecture, SSL tracking, defacement detection, and multi-channel alerting.

Welcome to WUM, the world's first class responsive free website uptime monitoring cloud service. 24/7 monitoring available from around the world, with instant response times and notifications.

Security & Maintenance Suite for WordPress: uptime monitoring, file integrity scanning and custom login URL protection.

Website uptime monitoring, downtime alerts and an 11-check WooCommerce Health diagnostic with store health alerts.

Free uptime monitor with downtime alerts. Your site is checked from outside every 60 seconds, and you get one email when it is down.

Find broken links, 404 errors & broken images. Internal link optimizer, rank tracking, AI visibility, SEO audits and uptime monitoring in one plugin.

Know the moment your WordPress site goes down. Free uptime monitoring that checks every 5 minutes and emails you when it's down and when it's back.

External uptime monitoring, SSL certificate expiry alerts, and domain expiry monitoring for WordPress. 1-click setup. 100% free.