Articles & Guides
Useful resources for web developers and system administrators
Found 33 · HTTP · Reset
HTTP
HTTP 301 vs 302 Redirect: Differences and When to Use Each
301 vs 302 redirects compared: SEO impact, when to pick each, and setup examples for nginx, Apache, WordPress, PHP. Avoid common redirect mistakes.
HTTP
500 Internal Server Error: How to Fix It on nginx, Apache, IIS
500 Internal Server Error explained: whose fault it is, whether it fixes itself, real log strings and fixes for nginx, Apache, IIS, WordPress and Cloudflare.
HTTP
404 Not Found Error: Causes and Fixes for Chrome, nginx, Apache
A 404 Not Found error means the server works but the URL doesn't. Fix it in Chrome, nginx, Apache, IIS, WordPress or Next.js, and stop soft 404s for good.
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.
HTTP
The Complete HTTP Request Lifecycle: From URL to Rendered Page
Trace every step of an HTTP request from typing a URL to seeing a rendered page. DNS, TCP, TLS, HTTP, rendering — understand the full journey.
HTTP
Server-Sent Events vs WebSockets: Which to Use for Realtime
Compare SSE and WebSockets for real-time web communication. Learn when to use each, their performance characteristics, and implementation patterns.
HTTP
HTTP Methods Explained: GET, POST, PUT, DELETE and Beyond
A comprehensive guide to HTTP methods — GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS. Learn semantics, use cases, and best practices for REST APIs.
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.
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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.
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HTTP/2 vs HTTP/3: Differences and Performance Comparison
Comparing HTTP/2 and HTTP/3 protocols: multiplexing, QUIC, head-of-line blocking, performance. How to check and configure your server.