Uptime Monitoring

Real-time availability tracking for every service you run.

Uptime monitoring continuously checks whether your web services, servers, and endpoints are reachable and responding. When something goes offline, your team is alerted immediately — not after a customer calls to report the problem. Historical uptime data gives you the documentation needed to meet SLA commitments and demonstrate reliability to clients.

Start monitoring free →

The cost of discovering outages late

Without monitoring, the typical way an outage is discovered is a support ticket, a social media post, or a phone call from a client. By that point, the service has been down for minutes or hours. The time between when a failure occurs and when your team begins responding directly determines how long users are impacted. Uptime monitoring eliminates that gap by alerting you within seconds of a failure being detected.

Uptime data also has value beyond incident response. An accurate availability record is essential for demonstrating compliance with SLA commitments, identifying patterns of recurring instability, and making the case for infrastructure investment when repeated outages affect the same component.

Key features

HTTP and HTTPS monitoring

Check web endpoints for correct status codes and response content at configurable intervals.

Instant alerting

Receive notifications immediately when a check fails — not after multiple missed checks or a delay.

Uptime percentage reporting

Calculate availability percentages over any time range for SLA reporting and client communication.

Incident history

Every outage is recorded with start time, end time, and duration — a complete audit trail of availability events.

Maintenance windows

Suppress alerts during planned maintenance so expected downtime doesn't generate noise.

Multi-site monitoring

Track availability for dozens of websites and services from a single dashboard.

Free availability tools

Ping Host

Send ICMP echo requests to verify reachability and measure round-trip latency.

HTTP Probe

Check whether hosts are serving HTTP or HTTPS and responding on standard ports.

HTTP Load Test

Fetch a URL and report the full HTTP response, status code, and load time.

Start monitoring uptime now

Set up your first uptime monitor in minutes. NetTests checks continuously and alerts your team immediately when something goes offline.