Resources

Guides, tutorials, and reference articles for website uptime monitoring and reliability.

Guides

The Complete Guide to Website Uptime Monitoring

Covers check types, multi-location monitoring, alerting, SLAs, incident response metrics, and choosing the right tool.

Understanding Uptime SLAs and Availability

The nines of uptime, SLA structure, SLI/SLO/SLA frameworks, high availability architectures, and error budgets.

Website Downtime: Causes, Costs, and Prevention

Types of downtime, root causes, financial costs, prevention strategies, and building resilient infrastructure.

Free Tools

SLA Uptime Calculator

Convert uptime % to real downtime

MTBF / MTTR Calculator

Calculate reliability metrics & availability

Knowledge Base

Better Stack Alternatives in 2026

Better Stack is developer-focused with logging and incident management. Here are the best alternatives if you need something simpler or more affordable.

Cloud Monitoring Explained: Tools and Approaches

What cloud monitoring covers, how it differs from traditional server monitoring, key metrics to track, and when you need it vs when simple uptime monitoring is enough.

The Real Cost of Website Downtime for Small Businesses

How much does website downtime actually cost a small business? A practical formula plus the hidden costs most people miss -- SEO damage, lost trust, and recovery time.

Free Uptime Monitoring: What You Get and What You Don't

What free uptime monitoring tools actually offer, what they leave out, and when you should upgrade to a paid plan. A practical guide for personal sites and small businesses.

High Availability Hosting: What SMBs Should Look For

Choosing hosting for high availability? Questions to ask providers, red flags to watch for, and how to evaluate uptime guarantees for your small business.

High Availability vs Disaster Recovery: What's the Difference?

HA keeps you running during failures. DR gets you back after catastrophes. Here's when you need each and how they work together.

High Availability vs Fault Tolerance: What's the Difference?

HA and fault tolerance sound similar but work differently. Learn the key differences, when you need each, and which approach makes sense for small businesses.

How to Calculate Uptime (With Formula and Examples)

The uptime formula explained with worked examples. Calculate your website's uptime percentage and see what it means for your business.

How to Reduce Website Downtime: A Practical Guide

Actionable steps to reduce your website downtime -- from choosing reliable hosting to setting up monitoring and building an incident response plan.

Incident Response Metrics That Actually Matter

The key metrics for measuring incident response -- MTTD, MTTA, MTTR, and more. Which ones to track and which to ignore.

IT Downtime: What It Is and How to Minimize It

What IT downtime means, the categories of downtime (hardware, software, network, human error), how to calculate its cost, and practical strategies to minimize it.

MTBF Explained: Mean Time Between Failures for Non-Engineers

What MTBF means in plain English -- the formula, what a good MTBF looks like, common misconceptions, and how to improve reliability for your website or service.

MTTA & MTTD Explained: Mean Time to Acknowledge and Detect

What MTTA and MTTD mean, why detection and acknowledgment speed matter more than you think, and how to improve both metrics.

MTTF Explained: Mean Time to Failure for Non-Engineers

What MTTF means, how it differs from MTBF, the formula, and why it matters for your website's reliability planning.

MTTR Explained: Mean Time to Recovery and Why It Matters

What MTTR means, how to calculate it, why recovery speed matters more than preventing every failure, and how monitoring dramatically reduces your MTTR.

Network Monitoring Basics for Website Owners

What network monitoring is, why website owners should care about latency, DNS resolution, and packet loss, and when you need network monitoring vs uptime monitoring.

Best Pingdom Alternatives in 2026

Pingdom is powerful but expensive. Compare the best Pingdom alternatives for small businesses -- features, pricing, and what you actually need.

Planned vs Unplanned Downtime: What You Need to Know

Not all downtime is equal. Learn the difference between planned and unplanned downtime, how each affects your SLA, and best practices for maintenance windows.

Server Monitoring Tools: What SMBs Actually Need

The monitoring tool market is overwhelming. Here is what small businesses actually need -- and what they can safely ignore -- when choosing server monitoring.

SLA Monitoring: How to Track Uptime Promises

How to monitor SLA compliance: what to track, how to verify provider claims, tools and approaches for SLA monitoring, and how to request SLA credits with evidence.

SLI vs SLO vs SLA: Understanding the Differences

The differences between SLIs, SLOs, and SLAs: what each term means, how they relate to each other, practical examples for websites, setting good SLOs, and error budgets.

How to Set Up Uptime Alerts That Don't Cry Wolf

A practical guide to configuring uptime alerts that catch real problems without drowning your team in noise. Covers channels, thresholds, escalation, and alert fatigue.

Uptime Calculator: Convert Percentages to Actual Downtime

Convert uptime percentages to real-world downtime. See exactly how much downtime 99.9%, 99.99%, and other SLA targets allow per year, month, and week.

The Nines of Uptime: What 99.9%, 99.99%, and 99.999% Actually Mean

Five nines, three nines, 99.9% uptime -- what do these numbers actually mean in hours of downtime? A plain-English guide to uptime percentages for small businesses.

Uptime SLAs: What Your Hosting Provider Actually Promises

How to read an uptime SLA, what's actually covered, common exclusions hosting providers hide in the fine print, and how to claim credits when they miss their target.

Best UptimeRobot Alternatives in 2026

Looking for an UptimeRobot alternative? We compare the best uptime monitoring tools -- pricing, features, and limitations -- so you can pick the right one for your business.

Health Check Endpoints and Ping Monitoring Explained

What health check endpoints are, how /health and /healthz conventions work, what to check (database, cache, dependencies), and how ping monitoring compares to health checks.

What is Endpoint Monitoring?

Endpoint monitoring explained in plain English -- what it is, how it differs from APM and infrastructure monitoring, and when a simple uptime check is enough.

What is High Availability? A Plain English Guide

High availability explained without jargon -- what it means, how it works, common architecture patterns, and whether your small business actually needs it.

What Is Uptime Monitoring? Everything You Need to Know

Uptime monitoring checks your website automatically and alerts you when it goes down. Here's how it works and why every business needs it.

What Is Uptime? A Plain-English Guide

What uptime means, how it's measured, why it matters for your website, and what counts as good uptime for a small business.

Why Is My Website Down? Common Causes and Fixes

Your website is down and you need answers. Here are the most common causes of website downtime and step-by-step fixes for each one.