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What Is Uptime Monitoring? (And Why It Still Matters in 2026)

Uptime monitoring checks if your websites, APIs, and services are accessible. Learn what it is, how it works, and why it's essential even with modern cloud infrastructure.

WT

Wakestack Team

Engineering Team

4 min read

Uptime monitoring is an automated service that continuously checks if your websites, APIs, and services are accessible and responding correctly. It sends requests at regular intervals (typically every 30 seconds to 5 minutes) and alerts you immediately when something fails.

Think of it as a tireless assistant that refreshes your website thousands of times per day so you don't have to.

How Uptime Monitoring Works

Uptime monitoring follows a simple pattern:

  1. A monitoring server sends a request to your website or API
  2. Your server responds (or doesn't)
  3. The response is validated against expected criteria
  4. If something's wrong, you get an alert via email, Slack, SMS, or other channels

This happens continuously from multiple geographic locations, ensuring you catch both global outages and regional issues.

What Uptime Monitoring Checks

  • HTTP/HTTPS status codes — Is the server returning 200 OK?
  • Response time — How fast is the response?
  • Response content — Does the page contain expected text?
  • SSL certificates — Is the certificate valid and not expiring?
  • TCP ports — Are services like databases accepting connections?
  • DNS resolution — Is your domain resolving correctly?

Why Uptime Monitoring Still Matters in 2026

Some teams assume modern cloud infrastructure makes monitoring unnecessary. Here's why that's wrong:

AssumptionReality
"AWS/GCP never goes down"Major cloud outages happen 3-5 times per year
"Kubernetes auto-heals"K8s can't fix code bugs or database issues
"Users will tell us"96% of unhappy users leave without complaining
"We have CI/CD"Deployments can pass tests and still break production

The cloud doesn't eliminate failures—it changes what fails.

Common Uptime Monitoring Mistakes

1. Only Monitoring the Homepage

Your homepage might load while your API, checkout, or login is broken. Monitor critical paths:

  • /api/health
  • /login
  • /checkout
  • Payment webhooks

2. Ignoring Response Time

A page that takes 30 seconds to load is effectively down. Set response time thresholds:

  • Warning: > 2 seconds
  • Critical: > 5 seconds

3. Single-Location Monitoring

Checking from one location misses regional outages and creates false positives. Use at least 3 geographic regions.

4. Alert Fatigue

Too many alerts = ignored alerts. Configure:

  • 2-3 consecutive failures before alerting
  • Appropriate grace periods
  • Escalation policies

5. No Status Page

Users will find out about outages. Give them a single source of truth instead of letting them check Twitter or DownDetector.

Uptime Monitoring vs Other Monitoring Types

TypeWhat It DoesBest For
Uptime MonitoringChecks if services respondExternal availability
Server MonitoringTracks CPU, memory, diskInfrastructure health
APM (Application Performance)Traces requests through codePerformance debugging
Log MonitoringSearches logs for errorsRoot cause analysis
Synthetic MonitoringSimulates user journeysComplex flow testing

Most teams start with uptime monitoring, then add server metrics when they need to understand why things fail.

When Wakestack Is a Good Fit

Wakestack combines uptime monitoring with server monitoring and status pages in one platform. It's ideal if you:

  • Want an all-in-one solution — No separate tools for uptime, servers, and status pages
  • Manage your own servers — Our Go agent provides CPU/memory/disk visibility
  • Need to understand infrastructure — Nested hosts show relationships between services
  • Value simplicity — Clean dashboard, straightforward pricing

What Wakestack Includes

  • HTTP, TCP, DNS, Ping monitoring
  • 30-second check intervals
  • Multi-region monitoring
  • Server monitoring agent
  • Status pages (included free)
  • Slack, email, PagerDuty alerts

Try Wakestack free — 5 monitors included, no credit card required.

Quick Setup Guide

  1. Sign up at wakestack.co.uk/signup
  2. Add your first monitor — Enter your URL, set interval
  3. Configure alerts — Connect Slack or email
  4. Create a status page — Let users see your service status

Total setup time: Under 2 minutes.

Key Takeaways

  • Uptime monitoring checks if your services are accessible
  • It's still essential in 2026—cloud doesn't prevent all failures
  • Monitor critical paths, not just the homepage
  • Use multiple locations and reasonable alert thresholds
  • Combine with server monitoring for complete visibility

About the Author

WT

Wakestack Team

Engineering Team

Frequently Asked Questions

What is uptime monitoring in simple terms?

Uptime monitoring is an automated system that continuously checks if your website or service is accessible. It sends requests at regular intervals and alerts you immediately when something goes down.

Why do I need uptime monitoring if I use cloud hosting?

Cloud providers can still experience outages, and your application code, databases, or configurations can fail independently. Uptime monitoring catches all types of failures, not just infrastructure issues.

How much does uptime monitoring cost?

Basic uptime monitoring is often free (Wakestack offers 5 free monitors). Paid plans with faster check intervals and more features typically range from $7-50/month.

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