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Glossary · Search engine optimization

301 Redirect

Search engine optimization · Glossary

What is 301 Redirect?

A 301 redirect permanently sends one URL to another, passing most ranking value. It’s essential when changing URLs so you don’t lose traffic or create 404s.

AI quick answer

A 301 redirect is a permanent server instruction that sends visitors and search engines from an old URL to a new one, passing nearly all of the original page’s ranking value and link equity. It is the correct way to change or retire URLs without losing traffic, breaking links, or creating 404 errors.

Example: a Winter Park med spa rebrands its URLs

A Winter Park med spa had a strong-ranking page at /botox-specials that pulled steady traffic from “Botox near me” searches. When they restructured the site into service silos, the page moved to /services/injectables/botox. Instead of letting the old link 404, their developer added a 301 redirect from the old URL to the new one. Within a few weeks Google had consolidated the old page’s ranking signals onto the new URL, so the spa kept its first-page position and lost almost none of its booked consultations.

Why it matters: a 301 tells search engines the move is permanent, so Google transfers the large majority of the old URL’s link equity and ranking history to the new page. A 302 (temporary redirect) does not reliably pass that value, so using the wrong status code during a permanent move is the single most common way Central Florida businesses quietly lose rankings after a redesign or a platform migration , for example, moving off Wix or Squarespace onto WordPress.

How it’s measured and verified: check the response header for a literal “301 Moved Permanently” using a redirect checker or your browser’s network tab, and confirm the chain is a single hop. Redirect chains (URL A to B to C) and redirect loops waste crawl budget and bleed link equity, so always point the old URL straight to the final destination. In Google Search Console, watch the old URL drop out of the index while the new URL gets indexed and holds its impressions and clicks.

Common mistakes and the local SEO and AEO angle: redirecting every retired page to the homepage instead of the closest relevant page (Google often treats homepage dumps as soft 404s and drops the equity), and forgetting to update internal links, your Google Business Profile, and citation URLs so they hit the live page directly. For answer-engine optimization, clean 301s keep one canonical URL that AI assistants can cite confidently, instead of splitting your authority across stale duplicates.

Frequently asked

What is the difference between a 301 and a 302 redirect?
A 301 is permanent and passes nearly all ranking value to the new URL, so use it when a page has moved for good. A 302 is temporary and signals the original URL will return, so search engines keep indexing the old address and do not fully transfer ranking signals.
Do 301 redirects hurt SEO?
No, a correctly implemented 301 protects SEO by preserving rankings and link equity when a URL changes. Problems only arise from redirect chains, redirect loops, mass-redirecting unrelated pages to the homepage, or using a 302 where a 301 was needed.
How long does it take Google to process a 301 redirect?
Google usually recognizes a 301 within days to a few weeks, depending on how often it crawls the site. The redirect itself should stay in place permanently (at least a year) so the signals fully consolidate onto the new URL.
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