Articles & Guides
Useful resources for web developers and system administrators
DevOps
Monitoring as Code: Prometheus Rules and Grafana Dashboards
Learn how to implement monitoring as code with Prometheus alerting rules, recording rules, and Grafana dashboards defined in version-controlled configuration files.
Networking
TCP Connection Tuning: Keepalive, Window Size, and Nagle's Algorithm
Master TCP connection tuning parameters including keepalive settings, window size optimization, and Nagle's algorithm for improved network performance.
SEO
XML Sitemap Guide: Creation, Structure, and Best Practices
Learn how to create and optimize XML sitemaps for search engines including structure, submission methods, and common mistakes to avoid.
Security
Two-Factor Authentication Guide: TOTP, SMS, and Hardware Keys
A comprehensive guide to two-factor authentication types including TOTP, SMS verification, and hardware security keys with implementation best practices.
Performance
Content Delivery Optimization: CDN Strategies and Edge Computing
Learn advanced CDN optimization strategies, edge computing patterns, and cache hierarchy design to deliver content faster to users worldwide.
Monitoring
Designing Effective Health Check Endpoints for Web Services
Learn how to build health check endpoints that accurately report service status. Cover liveness vs readiness, dependency checks, and response formats.
Security
Rate Limiting Strategies for Web APIs and Applications
Explore rate limiting algorithms — token bucket, sliding window, fixed window — and learn how to implement effective API rate limiting.
SEO
Web Accessibility: A Developer's Practical Guide to WCAG Compliance
Learn web accessibility fundamentals for developers. Cover WCAG guidelines, semantic HTML, ARIA, keyboard navigation, and testing tools.
HTTP
X-Forwarded-For Header: Understanding Client IP Behind Proxies
Learn how the X-Forwarded-For header works, why it matters for logging and security, trust chain configuration, and common pitfalls.
Performance
CDN Cache Invalidation: Strategies for Delivering Fresh Content
Master CDN cache invalidation techniques. Learn purge strategies, cache-busting, TTL tuning, and how to balance freshness with performance.