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HTTP 308 Permanent Redirect

Also known as308 RedirectPermanent Redirect Status CodeHTTP Status 308URI Permanent RedirectSEO 308 Code

Last updated May 18, 2026

Quick Answer

The HTTP 308 Permanent Redirect status code is part of the HTTP protocol indicating that the requested resource has been permanently moved to a different URI. This suggests that clients should update their requests to the new URI for future interactions. Unlike other redirect status codes, the 308 code preserves the request method and body, making it particularly useful for APIs and form submissions.

🌟 Importance of HTTP 308 in SEO

HTTP 308 redirects are crucial for maintaining SEO rankings during URL changes. They ensure link equity transfer, letting search engines know about new URL locations, thus preventing SEO penalties due to broken links. By using a 308 redirect, site owners can maintain their existing traffic and authority, as search engines will pass on the ranking signals from the old URL to the new one. This is especially important for high-traffic pages where losing rankings can significantly impact visibility and revenue.

⚙️ How Does HTTP 308 Work?

  1. A client makes a request to a URI that has been moved permanently.
  2. The server responds with a 308 status code and provides the new URI in the response header.
  3. The client updates its records and uses the new URI for all future requests, ensuring continuity.
  4. The HTTP method (GET, POST, etc.) and body of the original request remain unchanged, allowing for seamless interaction with the new URI.
  5. Search engines recognize the 308 status and update their index accordingly, transferring SEO value from the old URI to the new one.

📌 Examples of Implementing HTTP 308

  • A website has permanently moved from /old-page to /new-page and uses HTTP 308 for redirection, ensuring that users and search engines are directed to the correct location without losing any SEO value.
  • An API endpoint changing its base URI while maintaining client functionality via HTTP 308, allowing developers to update their integrations without needing to change the request method or body.
  • An e-commerce site that has changed its product URL structure from /products/item123 to /shop/item123, using HTTP 308 to redirect traffic seamlessly.
  • A blog that has restructured its content from /blog/2020/post-title to /articles/2020/post-title, ensuring that readers and search engines are directed to the new location.
  • A news site that has moved its articles from /news/old-title to /news/new-title, using 308 to preserve the original request method for potential API integrations.

✅ Best Practices for HTTP 308 Redirects

  • Always use HTTP 308 when a resource is permanently relocated to ensure correct client updates and to maintain SEO value.
  • Maintain the HTTP methods and request bodies consistent during the redirect to avoid issues with client interactions.
  • Document the changes in URLs and inform clients of the new URIs to prevent confusion and ensure a smooth transition.
  • Test the redirect thoroughly to ensure that it works as intended across different browsers and devices.
  • Monitor traffic and search engine rankings after implementing a 308 redirect to assess its effectiveness and make necessary adjustments.
  • Consider using server-side logging to track requests to the old URI, helping identify any issues with the redirect.
  • Educate your team about the implications of using HTTP 308 to ensure consistent application across development practices.

❌ Common Mistakes with HTTP 308 Redirects

  • Failing to update internal links to point to the new URI can lead to confusion and broken links.
  • Using a 308 redirect for temporary changes instead of permanent ones, which can mislead search engines.
  • Neglecting to inform users or clients about the change in URI can lead to frustration and loss of traffic.
  • Not testing the redirect can result in unexpected behavior, such as broken functionality or incorrect data submissions.
  • Overlooking the need for proper documentation of the changes can hinder future maintenance and updates.
  • Ignoring analytics and monitoring tools to assess the impact of the redirect may lead to missed opportunities for optimization.
  • Using the wrong status code can lead to SEO penalties, so ensure that 308 is appropriate for the situation.

🛠️ Tools for Managing HTTP 308 Redirects

  • Google Search Console
  • Ahrefs
  • Screaming Frog SEO Spider
  • SEMrush
  • GTmetrix
  • Pingdom
  • WebPageTest

📝 Key Takeaways

  • HTTP 308 is used for permanent resource relocation, ensuring that clients are directed to the new URI without losing request data.
  • Crucial for SEO in maintaining link equity during URL changes, allowing search engines to pass ranking signals.
  • Preserves the HTTP method and body of the original request, unlike some other redirects, making it suitable for APIs.
  • Helps prevent broken links and enhances user experience by directing users to the correct resource.
  • Facilitates smoother transitions during website migrations or restructuring, minimizing the impact on traffic.

🔍 Related HTTP Status Codes

📚 Further Reading on HTTP 308 Redirects

Related Terms

HTTP 304 Not ModifiedHTTP 400 Bad RequestHTTP 307 Temporary RedirectHTTP 401 Unauthorized

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Reviewed by the SEO Nimbus editorial team — an AI-first SEO agency working with B2B brands in the US, UK, and Australia. Last updated May 18, 2026.