One-way street: Why Google only transfers website authority once with 301 redirects
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It’s inevitable. The time will eventually come when a strategic shift necessitates moving to a new domain or website with a different URL structure.
- example.net to example.com
- example.net/about/ to example.net/company/
How do you preserve the website authority you’ve accumulated?
301 redirects offer a solution, acting as a digital bridge to your new domain or website. But here’s a crucial detail for digital marketers – Google only transfers authority once during a 301 redirection. Understanding why this one-time transfer happens is essential for a smooth migration.
Website authority is the digital currency that fuels organic search rankings. Backlinks from reputable sites act as votes of confidence, boosting your authority in Google’s eyes. A well-executed 301 redirect acts as a formal notification to search engines, particularly Google, that your old site has permanently relocated. During this process, a significant portion of your website’s authority (studies by Moz suggest a 70-80% transfer rate) is passed to the new domain.
Why does Google only allow this transfer to happen once?
It boils down to user experience. Google prioritizes clear and efficient navigation. A chain of 301 redirects, where one redirect leads to another, creates confusion for both users and search engines. Think of it like arriving at a friend’s new address, only to find a note directing you to yet another location. The frustration mounts with each additional redirection.
Search engines operate similarly. A string of 301 redirects creates a confusing path, making it difficult for Google to crawl and index your website effectively. This can lead to a drop in rankings and a decline in organic traffic.
Here’s a breakdown of how the single transfer works:
- The old site: A user searches for a specific term, and Google identifies your old site (let’s call it example.net) as a relevant result.
- 301 redirect: The server hosting example.net detects the request and triggers the 301 redirect, sending a signal to the user’s browser and crucially, to Google, that the site has permanently moved.
- Transfer of authority: During this redirection, Google transfers a portion of the authority associated with example.net to the new domain (example.com).
- New site: The user’s browser and Google land on example.com, where the desired content now resides.
By understanding this one-time transfer principle, digital marketers can strategize effective website migrations. Proper implementation of server-side 301 redirects, clear communication with your audience about the move and maintaining the high standards that earned your previous site’s authority are all crucial factors.
How long does it take for Google to transfer authority from a 301 redirection?
Google’s Gary Illyes suggests up to one year for SEO purposes to ensure enough time for processing the move and passing on signals. This doesn’t necessarily mean all authority transfers by then, but it’s a good benchmark. Several factors can influence the actual time like crawl rate.
How long should I keep a 301 redirect in place?
While a year is a good SEO benchmark, you may want to keep redirects in place for longer if you expect continued traffic to the old URL. This ensures a smooth user experience. Analytics and SEO tools can help with monitoring old URLs that continue to receive visitors.
Max the one-time 301 redirection transfer by updating backlinks
While 301 redirects effectively transfer a significant portion of your website authority, it’s not a magic bullet. Since backlinks are the votes of confidence that built your authority in the first place. Ideally, you want these votes to point directly to your new domain or website for maximum impact.
Why updating the most authoritative backlinks after a 301 redirect is crucial:
- Faster recovery: Search engines may take time to fully recognize the transfer of authority through a 301 redirect. Reaching out to high-authority websites that link to your old content and requesting them to update the link to your new URL can accelerate this process.
- Improved user experience: Broken links pointing to your old site can frustrate users. By updating backlinks, you ensure a seamless experience on your new domain.
- Maintaining link equity: Not all backlinks hold equal weight. Links from highly reputable sites carry more value. Updating these authoritative backlinks ensures you continue to benefit from their SEO authority on your new website.
Strategies for backlink updates:
- Identify high-value backlinks: Use SEO tools to identify the most authoritative websites linking to your old content.
- Develop outreach strategy: Craft personalized emails to website owners or webmasters politely requesting an update to the link with your new URL.
- Offer value: Consider offering something of value in exchange for the backlink update, such as guest blogging opportunities or sharing high-quality content.
By implementing a 301 redirect and proactively updating high-authority backlinks, you can maximize the one-time transfer of website authority and ensure a smooth SEO migration.
About us: We’re a boutique SEO company that assists brands and businesses with navigating the complexities of website relocations, ensuring a frictionless transition while preserving as much website authority as possible.
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