Question: Is there a free tool that lets me monitor my website's performance and receive notifications within Slack?

If you're looking for a free tool to monitor your website's performance and receive notifications within Slack, Simple Uptime is an excellent option. It offers continuous monitoring and customizable alerts, all integrated seamlessly with Slack. The setup is straightforward, requiring less than a minute to monitor any URL, and it's completely free without needing a credit card.

Another great tool is Baresquare. While it provides more comprehensive analytics features, it includes 24/7 anomaly detection and customizable notifications that can be integrated with Slack. Baresquare is worth checking out if you want to delve deeper into your analytics, and it offers a free plan to get you started.

Spectate also offers robust monitoring features, including AI-powered status updates and customizable branded status pages. While it has various pricing plans, including a free Hobby plan, it integrates with Slack for real-time notifications, making it a versatile choice for monitoring and managing your website's performance.

For a no-code solution, Rupert offers metric and event monitoring directly integrated with Slack. It's particularly useful for product-led growth teams looking to monitor user-level metrics and receive alerts for activation, conversion, retention, and expansion. Rupert’s free plan includes two all-inclusive alerts, providing a cost-effective way to enhance your monitoring capabilities.