Articles & Guides
Useful resources for web developers and system administrators
Monitoring
Cron Job Monitoring with Dead Man's Switch
How to monitor cron jobs: Dead Man's Switch, heartbeat monitoring, detecting missed and stuck tasks.
Performance
API Performance Metrics and Optimization
Key API performance metrics: latency, throughput, error rate, percentiles. How to measure and optimize.
SEO
Redirects and SEO: 301, 302, and Canonical Tags
How redirects affect SEO: 301 vs 302, redirect chains, canonical tags, URL migration. Practical guide.
SSL/TLS
SSL Certificate Monitoring: Avoiding Downtime
How to monitor SSL certificates: auto-renewal, expiration dates, chain of trust, notifications. Preventing certificate-related downtime.
Infrastructure
CDN: How It Works and Why You Need It
How Content Delivery Networks work: edge servers, caching, anycast routing. When you need a CDN and how to choose one.
SEO
Website SEO Audit: 20-Point Checklist
Practical SEO audit checklist: 20 points to check technical SEO, content, performance, and security.
Security
Security Headers: The Complete Guide
Complete guide to HTTP security headers: CSP, HSTS, X-Frame-Options, Permissions-Policy, CORP, COEP. Configuration and examples.
HTTP
HTTP/2 vs HTTP/3: What's New and Why Upgrade
Comparing HTTP/2 and HTTP/3: QUIC protocol, multiplexing, 0-RTT, connection migration. Practical upgrade guide.
Monitoring
Uptime Monitoring: Why and How to Set It Up
Complete guide to uptime monitoring: why it matters, how to set up, choosing tools, SLA, and status pages.
DNS
DNS Performance: Optimizing Resolution Speed
How to speed up DNS resolution: choosing DNS providers, TTL settings, prefetch, minimizing lookups. DNS impact on website speed.