What Is 301 Redirect?
What is a 301 redirect? A 301 is the standard way to say a URL has permanently moved. When someone or a crawler requests the old address, they are sent to the new one, and search systems generally treat the move as lasting rather than temporary.
Good redirects send people to a relevant destination — the matching new page, not a generic catch-all. Dumping every retired URL onto the homepage preserves little usefulness and frustrates visitors who expected a specific article, product, or service page.
Redirect chains also matter. If URL A redirects to B and B redirects to C, every hop adds delay and risk of breakage. Prefer a direct A → C mapping when C is the final home. Clean redirect maps are especially important during redesigns and migrations when many paths change at once.
Why It Matters
URLs change when sites restructure, rebrand, or move platforms. Without permanent redirects, bookmarks, backlinks, and search listings hit errors or outdated pages — and hard-won visibility leaks away.
For business owners, redirects are operational SEO hygiene, not a niche developer detail. They protect customer paths and marketing links. Planning them beside content mapping — instead of as a last-minute launch chore — avoids panicked homepage dumps and forgotten dead ends.
Where You Encounter It
An old blog post at /blog/summer-tips-2022 moves to /guides/summer-tips. A 301 from the old path to the new guide keeps shared links working and signals a permanent relocation. Sending that same old URL to the homepage would "work" technically but would miss the visitor's intent and weaken the value of the original link.
Common Misunderstandings
- Any redirect is fine if it avoids a 404. Relevance matters; unrelated destinations train people and search systems that your URL map is unreliable.
- Chains are harmless. Extra hops slow experiences and create more points of failure — map old URLs straight to their final destinations when you can.