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.
Image Optimization Monitoring: WebP, AVIF, and Lazy Loading
Monitor image optimization to catch oversized images, missing modern formats, and missing lazy loading that hurt your Core Web Vitals and page speed scores.
RUM vs Lab Data: Which Performance Metrics Should You Trust?
RUM vs lab data: understand when to trust each, how they differ, and how to reconcile gaps between synthetic test results and real user experience data.
Server Response Time: Benchmarks and Optimization Strategies
Understand server response time benchmarks, what causes slow responses, and proven strategies to reduce server processing time below 200ms.
Network Waterfall Analysis: Understanding Your Load Chain
Analyze network waterfalls to identify bottlenecks in your page load chain. Learn to read waterfall charts and optimize critical resource loading paths.
JavaScript Performance Monitoring: Bundle Size & Runtime
Monitor JavaScript performance: bundle size growth, runtime execution time, memory leaks, and framework-specific metrics. Prevent JS from killing page speed.
Page Speed Monitoring: Beyond Google PageSpeed Insights
Page speed monitoring goes beyond PageSpeed scores. Learn to continuously track real performance metrics that affect user experience and business outcomes.
Automatic Performance Regression Detection in CI/CD
Detect performance regressions automatically in CI/CD before they reach production. Integrate Lighthouse, WebPageTest, and monitoring APIs into your pipeline.
Mobile Performance Monitoring: Testing on Real Devices
Mobile performance monitoring requires testing on real devices and real networks. Learn mobile-specific metrics, tools, and how to improve mobile user experience.
Third-Party Script Monitoring: The Hidden Performance Killer
Third-party scripts are often the biggest hidden performance killer. Learn to monitor, audit, and manage analytics, ads, chatbots, and other third-party scripts.
Database Performance Monitoring: Metrics You Can't Ignore
Monitor critical database performance metrics: query latency, connection pool usage, replication lag, and index efficiency to prevent database-caused outages.
API Latency Monitoring: P50, P95, P99 Percentiles Explained
Monitor API latency using percentiles (P50, P95, P99) instead of averages. Learn why percentiles matter, how to set thresholds, and what high tail latency means.
CDN Performance Monitoring: Detecting Edge Node Failures
Monitor CDN performance to detect edge node failures, cache misses, and regional degradation. Keep your CDN working efficiently with continuous checks.
Performance Budget Monitoring: Catching Regressions Automatically
Performance budgets prevent performance regressions automatically. Learn to set budgets for LCP, bundle size, and response time, and enforce them in CI/CD.
Response Time Monitoring: Setting Smart Alert Thresholds
Set smart response time alert thresholds that catch real degradation without alert fatigue. Learn about percentiles, baselines, and adaptive thresholds.
INP Monitoring: The Replacement for FID Explained
INP (Interaction to Next Paint) replaced FID as a Core Web Vital in 2024. Learn what INP measures, how to monitor it, and techniques to improve interaction latency.
CLS Monitoring: Eliminate Cumulative Layout Shift for Better UX
Monitor and fix Cumulative Layout Shift (CLS) to eliminate frustrating visual instability. Learn what causes CLS, how to measure it, and how to fix it.
LCP Monitoring: How to Track and Improve Largest Contentful Paint
Monitor and improve Largest Contentful Paint (LCP) for better Core Web Vitals scores. Learn what affects LCP, how to measure it, and optimization techniques.
TTFB Optimization: Reducing Time to First Byte Below 200ms
Reduce Time to First Byte (TTFB) below 200ms with server optimization, CDN configuration, caching strategies, and database query improvements.
Website Speed Monitoring: Metrics That Actually Matter
Website speed monitoring beyond PageSpeed scores. Learn which performance metrics actually impact users and revenue, and how to track them continuously.
Core Web Vitals Monitoring: LCP, INP, CLS Guide for 2026
Monitor Core Web Vitals (LCP, INP, CLS) in 2026. Learn thresholds, measurement tools, and how to improve scores that directly affect Google search rankings.