When it comes to SEO, understanding the impact of different redirect types is crucial for optimizing your website’s performance. There have been numerous myths and misconceptions surrounding redirect types, but Google’s Search Advocate, John Mueller, recently addressed these issues in a video for Google Search Central. In this article, we will dive deep into the information shared by Mueller, debunking the myths and providing clarity on the importance of technical SEO. Let’s explore each aspect in detail.

The Impact of Redirect Types on PageRank

One of the most debated topics in SEO is whether using a 301 or 302 redirect has a significant impact on PageRank. Mueller’s advice is clear: “The good news is it doesn’t matter. Use the technically correct redirect type.” He emphasized that using the appropriate redirect type based on the situation is more important than worrying about the potential impact on PageRank.

It’s worth noting that other redirect types, such as 307 and 308, are also valid choices. Search engines have been handling redirects since their inception, so choosing the redirect type that aligns with your specific needs is the best approach.

Debunking the Myth of Irreversible Permanent Redirects

Contrary to popular belief, permanent redirects (301 redirects) are not irreversible. Mueller surprised many SEO professionals by stating that permanent redirects can be reversed. He highlighted that the “permanent” label is more about the time horizon you are considering. This insight challenges the notion that once a permanent redirect is implemented, it cannot be undone.

Temporary Redirects: No Fixed Time Frame

The duration of temporary redirects, specifically 302 and 307 redirects, has often been a topic of confusion. When asked about the fixed time frame for these temporary redirects, Mueller’s response was straightforward: “There is no fixed number.” This means that SEO professionals should carefully monitor the effects of temporary redirects and make adjustments based on their specific needs and goals.

The Continued Importance of Technical SEO

There is a misconception that technical SEO is diminishing in importance. However, Mueller made it clear that technical SEO remains the foundation of everything built on the open web. Technical SEO involves optimizing your website’s infrastructure, ensuring crawlability, and enhancing user experience. It plays a vital role in search engine rankings and should not be overlooked.

Shedding Light on the Effects of Redirects

The conversation between Mueller and the SEO community shed light on various aspects of redirects and HTTP status codes. It provided valuable insights that can help SEO professionals make informed decisions based on facts rather than assumptions. Let’s recap the key takeaways:

  1. The choice between 301 and 302 redirects does not significantly impact PageRank. Use the redirect type that aligns with your specific needs.
  2. Permanent redirects (301 redirects) can be reversed, challenging the misconception that they are irreversible.
  3. Temporary redirects (302 and 307 redirects) do not have a fixed time frame. SEO professionals should monitor their effects and adjust as necessary.
  4. Technical SEO remains crucial and continues to be the foundation of successful website optimization.

By understanding these facts and debunking the myths surrounding redirect types, you can optimize your website’s performance and enhance its visibility in search engine results.


Google’s Search Advocate, John Mueller, has provided valuable insights into redirect types, debunking common myths and misconceptions. It is important to choose the appropriate redirect type based on your specific needs rather than worrying about the impact on PageRank. Additionally, the notion of irreversible permanent redirects has been dispelled, as they can indeed be reversed. Temporary redirects do not have a fixed time frame, and monitoring their effects is essential. Lastly, technical SEO remains a vital aspect of website optimization and should not be overlooked.

By staying informed and understanding the facts, you can make informed decisions regarding redirect types and optimize your website’s performance effectively. Remember, technical SEO is the foundation upon which your website’s success is built, so prioritize it alongside other SEO strategies and best practices.