WebGazer is an uptime monitoring platform that checks if your website is up as it should be and notifies you if anything goes wrong
UTM.io - Our UTM tool makes it easy and fast to set up tracking on every link, leaving you free to dive into the data to learn how you can maximize the effectiveness of your email and social media campaigns.
UptimeRobot - Free Website Uptime Monitoring
UTMBuilder.net - Easiest UTM tags builder
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
My UTM Builder - Answer simple questions. Get best practice trackable URLs 🔗
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring