Website Monitoring

Uptime and Blacklist Monitoring

Free Uptime Monitor & Blacklist Monitor- HetrixToolshetrixtools.com

UptimeRobot: Free Website Monitoring Serviceuptimerobot

Uptime Monitoring by Better Stackbetterstackhq

Website Change Monitoring

Visualping: #1 Website change detection, monitoring and alertsvisualping.io

Follow That Page - web monitor: we send you an email when your favorite page has changed.followthatpage.com

Website Change Detection & Monitoring Tool - Free | Distilldistill_io

Monitoring for Backlinks

Backlink Watch - Free Real-time Backlinks Checker Toolbacklinkwatch.com

Free Backlink Checker by Ahrefs: Check Backlinks to Any SiteAhrefs

Malware/ Security Check

VirusTotalVirusTotal

URL and website scanner - urlscan.iourlscan.io

Browserleaks - Check your browser for privacy leaksBrowserLeaks