2026-03-15
301 vs 302 vs 307 vs 308 Redirects: Which One Should You Use?
Use 301 or 308 for permanent moves, and 302 or 307 for temporary ones. The key question is whether the HTTP method must stay unchanged.
7 min readRead Article
The Library
Engineering deep dives, SEO strategies, and migration guides for the modern web.
Featured 2026-03-16
Firebase Dynamic Links Alternative: How to Replace It After the Shutdown
Firebase says Dynamic Links shut down on August 25, 2025. Learn how to replace them with branded smart links, app links, and safer fallback routing.
UrlEdge Editorial
8 min read
2026-03-14
How to Redirect a Domain Without Losing Paths or UTM Parameters
Learn how to redirect a domain without losing paths, UTM parameters, or campaign tracking, while avoiding loops, SSL issues, and broken links.
6 min readRead Article
2026-03-13
Redirect Chains and Loops: How to Find, Fix, and Prevent Them
Learn how to find redirect chains and loops, collapse unnecessary hops, and fix routing mistakes before they slow users down or hurt SEO.
7 min readRead Article
2026-03-12
Website Migration Redirect Checklist: 15 Checks Before You Flip DNS
Use this 15-point redirect checklist to protect high-value URLs, avoid chains, and catch website migration mistakes before you flip DNS.
7 min readRead Article
2025-10-22
The Ultimate Guide: Migrating Shopify URLs to Headless Storefronts
Don't lose your SEO juice. Learn how to map thousands of product URLs to your new Next.js or Hydrogen frontend using bulk redirects. We cover CSV exports, regex patterns, and verification strategies.
3 min readRead Article
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