Website Monitoring Alongside Your Servers

What website monitoring checks

Availability and status

Web monitoring starts with a meaningful URL and an expected response. Check status codes, response time, and expected content on any URL. A one-off HTTP result can establish what that request returned, but not that every visitor, location or application path receives the same result.

Expected content

Confirm a specific keyword is present (or absent) in the response — great for catching "maintenance mode" pages left on by mistake. A keyword is a narrow expectation about the response, not a complete security or checkout test. When you monitor website behavior, choose content that represents the condition you actually need to distinguish.

Response time

The one-off uptime test reports request timing. See how your site's load time trends. Neither measurement by itself identifies the application or infrastructure component responsible for a delay.

Certificate dates

CloudStats doesn't assume renewal worked; it checks the live certificate on your domain and tells you if the expiry date is getting close. Keep that observation distinct from the website's response. Renewing a file and serving the intended replacement are separate operational steps; the certificate child page covers that topic.

Website monitoring and server monitoring in one place

When a site slows down, inspect evidence from the Linux host behind it as well as the response itself. The host view contains CPU, memory, one-minute load average, filesystem utilization, network receive rate and disk read rate. See Linux server monitoring for the general metric explanations rather than treating this hub as a second guide to them.

For site monitoring, the useful connection is the incident timeline. Identify the affected address, the server involved and the period you are investigating. A nearby change in host usage can guide the next question, but correlation does not establish that the resource change caused the failed request.

Web application monitoring also needs the application's own evidence. A healthy front page does not prove that signing in, a background dependency or a transaction works. Keep those questions in the investigation instead of assuming a resource chart or a single successful request settles them.

Compare the web response with the host graphs to choose the next step in your investigation. Keep the observed URL and host identity clear when handing an incident to another person.

Alerts when a site has a problem

The CloudStats notification channels are email, Slack, Telegram and webhook. See server alerts for the alerting topic, rather than treating this overview as a separate guide to rule configuration or delivery behavior.

For website availability monitoring, decide who investigates and what information they need when a message arrives. Include the affected service and the expected response in your operating notes. A notification should lead to an investigation, not an assumption that the system has already identified the cause.

Keep an operational owner and a clear handover procedure. If different people look after the application, DNS and the Linux host, record that responsibility before an incident so the first responder knows where to take the evidence.

Agencies need the same clarity for each client's services. Keep ownership, the meaningful URL and the investigation context understandable to the person covering the incident. For that operational context, see website monitoring for agencies.