AzMonitor Blog
Monitoring & Reliability
Engineering Guides
126 in-depth articles on uptime monitoring, performance, SLA management, incident response, and reliability engineering — written for DevOps and SRE teams.
Synthetic Monitoring vs Real User Monitoring: When to Use Each
Synthetic monitoring vs real user monitoring: understand the difference, when to use each, and why the best teams use both together for complete coverage.
Uptime Monitoring for Mobile Apps and Backend APIs
Monitor mobile app backends, REST APIs, and the services that power your iOS and Android applications. Protect user experience with targeted API uptime monitoring.
Monitoring Protected Pages: Authenticated Endpoint Checks
Monitor authenticated endpoints, protected APIs, and login-required pages. Covers API key auth, Bearer tokens, Basic auth, and multi-step login flows.
DNS Monitoring Explained: Catching Outages at the Source
DNS monitoring catches domain resolution failures before users do. Learn how DNS monitoring works, what it detects, and how to configure it for your domains.
TCP Port Monitoring: How It Works and When to Use It
TCP port monitoring verifies services are accepting connections without HTTP overhead. Learn when to use TCP monitoring and how to configure it correctly.
How to Calculate Website Uptime Percentage Correctly
Learn how to calculate website uptime percentage correctly, including measurement windows, exclusions, and how monitoring check intervals affect accuracy.
Why Weekend Monitoring Is Critical for Modern Businesses
Weekend outages are often longer and more costly than weekday incidents. Learn why 24/7 monitoring matters and how to build weekend coverage without burning out your team.
Uptime Monitoring for Microservices Architectures
Uptime monitoring for microservices requires a different approach. Learn health check patterns, dependency mapping, and alert strategies for distributed systems.
Beyond Ping: Advanced Uptime Monitoring Techniques
Go beyond simple ping monitoring with advanced techniques: keyword checks, API assertions, synthetic transactions, SSL validation, and DNS monitoring.
7 Proven Strategies to Prevent Website Downtime
7 proven strategies to prevent website downtime before it happens. Covers deployment practices, redundancy patterns, monitoring, and recovery automation.
Uptime Monitoring for Startups: Do You Really Need It?
Do startups need uptime monitoring? Yes — here's why early-stage companies need monitoring more than they think, and how to set it up without spending much.
Multi-Region Monitoring: Detecting Regional Outages Accurately
Multi-region monitoring detects regional outages invisible to single-location checks. Learn architecture, alert logic, and how to interpret regional failure data.
Uptime Monitoring for SaaS Applications: Best Practices
Best practices for uptime monitoring SaaS applications. Monitor APIs, auth flows, multi-tenant endpoints, and protect MRR with comprehensive availability checks.
HTTP Status Codes for Monitoring: What 200, 301, 404, 503 Mean
HTTP status codes explained for monitoring teams. Learn what 2xx, 3xx, 4xx, and 5xx codes mean for uptime monitoring and how to configure checks correctly.
Server Uptime vs Website Uptime: Key Differences Explained
Server uptime and website uptime are not the same thing. Understand the critical differences, why you need both, and how each type of monitoring works.
Uptime Monitoring for E-commerce: A Complete Checklist
Complete uptime monitoring checklist for e-commerce sites. Cover checkout, payment, inventory, and CDN monitoring to protect revenue 24/7.
Eliminating False Positives in Uptime Monitoring
Eliminate false positives in uptime monitoring with multi-location confirmation, proper thresholds, and smart alert logic. Stop alert fatigue before it starts.
Why Global Monitoring Locations Matter for Accurate Uptime
Why global monitoring locations are essential for accurate uptime data. Learn how regional failures, CDN issues, and network partitions are detected with multi-location checks.
Monitoring Check Intervals: How Often Should You Check?
How often should your uptime monitors run? Compare 30-second vs 1-minute vs 5-minute check intervals and learn which frequency fits each endpoint type.
Uptime SLA Explained: 99.9% vs 99.99% vs 99.999%
Understand uptime SLA percentages: 99.9% vs 99.99% vs 99.999%. Learn allowed downtime, measurement methods, and how to choose the right SLA for your service.
The True Cost of Website Downtime: By Industry & Company Size
Calculate the true cost of website downtime for your industry and company size. Includes revenue loss formulas, real-world examples, and prevention ROI analysis.
Best Uptime Monitoring Tools in 2026: Full Comparison
Comprehensive comparison of the best uptime monitoring tools in 2026. Compare features, pricing, check intervals, and global coverage to find the right fit.
How to Monitor Website Uptime (Step-by-Step Guide)
Step-by-step guide to monitoring website uptime in 2026. Learn to set up checks, configure alerts, and respond to downtime faster than your users notice.
12 Uptime Monitoring Best Practices for High-Availability Teams
12 proven uptime monitoring best practices used by high-availability engineering teams. Reduce MTTR, eliminate false positives, and protect revenue.