Should you really worry about the difference between 301 and 302 redirects?

What should you do if you find old 302s on your site? <\/h3>

First action: audit your redirects <\/strong> with Screaming Frog, Oncrawl, or a custom script. Export all 302s and check their age — if they are over six months old and the target is stable, switch them to 301 immediately <\/strong>.<\/p>

Second step: check in Google Search Console <\/strong> which URL is actually indexed (source or target). If Google is already indexing the target despite the 302, correcting the HTTP code will probably change nothing — but it clarifies your intention and avoids future bugs during a redesign or migration.<\/p>

What mistakes should be avoided when correcting redirects? <\/h3>

Never create redirect chains <\/strong> by adding a 301 on top of an existing 302. If A redirects in 302 to B, and you want to switch to 301, modify the rule directly on A — do not add a 301 from B to C.<\/p>

Also avoid mass corrections without checking server logs <\/strong>: some 302s may be intentional (temporary redirects for maintenance, testing). A blind replacement risks breaking business workflows or third-party integrations. Document each change and notify the relevant teams.<\/p>

How can you verify that your redirects are correctly configured after correction? <\/h3>

Use an online HTTP testing tool (like redirect-checker.org) or curl in command line to confirm that the status code <\/strong> returned is indeed 301. Also check the Location <\/strong> header to ensure that the target is correct.<\/p>

Then, force a re-crawl via Search Console <\/h3>(URL Inspection → Request Indexing) to expedite Google's consideration. Monitor coverage reports for a few weeks: the old source URL should disappear from the index, and the target should be marked as canonical.<\/p>

• Audit all 302 redirects present for over six months <\/li>
• Switch them to 301 if the destination is stable and definitive <\/li>
• Check in Search Console which URL Google is actually indexing <\/li>
• Never create redirect chains — correct at the source <\/li>
• Test with curl or an HTTP tool to confirm the status code <\/li>
• Request a manual re-indexing via Search Console after correction <\/li><\/ul>
  Mueller's statement simplifies long-term redirect management, but does not exempt from a technical rigor from the outset <\/strong>. Correcting an old 302 to a 301 remains a good practice even if Google eventually converges — this avoids ambiguity, clarifies signals, and protects against future bugs. If your redirect infrastructure is complex or you are managing a delicate migration, these optimizations can quickly become time-consuming and technical. In this case, consulting a specialized SEO agency <\/strong> for personalized support may prove wise: they will know how to audit carefully, prioritize impactful corrections, and avoid costly mistakes.<\/div>