Articles & Guides
Useful resources for web developers and system administrators
SEO
How HTTPS Impacts SEO Rankings
How HTTPS migration affects SEO, Google rankings, and user trust. Step-by-step HTTP to HTTPS migration guide.
Performance
Core Web Vitals: How to Measure and Improve Page Speed
Core Web Vitals explained: LCP, INP and CLS thresholds, how field data differs from lab data, how to measure page speed and what to fix first.
Performance
Web Application Caching Strategies
Web application caching layers: browser, CDN, proxy, server cache, database. Invalidation strategies and patterns.
Performance
Image Optimization for Web Performance
How to optimize images for websites: WebP and AVIF formats, lazy loading, responsive images, compression without quality loss.
Infrastructure
API Rate Limiting: Why and How to Implement
Complete guide to API Rate Limiting: algorithms, implementation, headers, best practices. Protecting your API from abuse.
Monitoring
Alerting Best Practices for Website Monitoring
How to set up effective alerts: thresholds, notification channels, escalation, noise suppression. Avoiding alert fatigue.
Security
WAF: What It Is and How It Protects Your Site
What is a Web Application Firewall (WAF), how it works, and what attacks it prevents. WAF types, configuration, and best practices.
Security
Cookie Security Flags: HttpOnly, Secure, SameSite
Understanding cookie security flags: HttpOnly, Secure, SameSite. How to protect user sessions from XSS, CSRF, and interception attacks.
HTTP
HTTP Caching Guide: Cache-Control, ETag, Expires
Complete guide to HTTP caching: Cache-Control, ETag, Expires, Last-Modified headers. Learn how to configure caching to speed up your website.
DNS
DNSSEC: How It Works, How to Enable and Safely Disable
How DNSSEC and the chain of trust work, how to sign a zone and publish the DS at your registrar, how to verify it with dig, and how to disable it without breaking the domain.