What are some alternatives?
When comparing PerfectPage and Keylogs, you can also consider the following products
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.
Serpstat - Search analytics, Rank tracking, Backlink analysis and Site Audit tool.
UptimeRobot - Free Website Uptime Monitoring
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
StatusCake - StatusCake | Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!