Google’s Mueller on How to Successfully Implement Major Site Changes

In a Reddit discussion, Google’s John Mueller advised offered best practices for changing domains or redesigning and updating a site. He focused on both the positive and negative issues to be concerned about. 

Mueller started by comparing changing domains to a redesign. He a domain change with no difference in site or content is not as disruptive as a redesign can be.

Domain Name Changes are Generally Safe 

A one to one exchange is where the site structure and content remains exactly the same and only the domain name changes is a relatively safe. 

Of course, there are other things that can go wrong, like a legacy spam penalty that is latent in the new domain. 

But Mueller was speaking in general and making a relative comparison between two kinds of changes (domain change versus a redesign and update).

Mueller said: 

“You’ll potentially see more fluctuations from the redesign / revamp than from the domain name change. Moving things 1:1 from one domain to another is – for the most part – a non-issue.”

 Potential Impact of Redesigns and Site Structure Changes 

SEO Company India generally make major changes to the design and site structure in order to effect an impact in site performance. Bright people don’t fix what isn’t broken, right? 

Yet even though one endeavors to improve a site, there may still be unintended consequences.

Mueller Says Watch Out For This 

He describes the potential for upsides (better SEO) and downsides (negative impact on search rankings). 

“Moving between CMSs, rebuilding a site, restructuring it: changing URLs, significantly changing the design, changing the internal linking, all of those things can significantly impact a site’s performance in search (and it can go up too, it’s not always down — you can do things to improve SEO after all).”

Stagger Your Changes 

Mueller now advises that it may be useful to stagger your changes, to implement them in stages (phase 1, phase 2, etc.). 

He mentioned staggering changes in the context of changing a domain and redesigning/updating the site structure.

The reason to stagger major changes is to be able to give proper attribution to improvements and to be able to understand what caused a negative impact as well. 

Making changes all at once can make it near impossible to untangle which change negatively impacted rankings. Not implementing changes in multiple phases makes it considerably difficult to identify which change needs to be rolled back or improved.

When Major Changes Happen Beyond Your Control 

Mueller then commented on the situation where changes are happening and you are powerless to effect a major influence. 

I’ve been in that situation as search marketing consultant. A large multinational corporation I was consulting for was purchased by a larger company in a multi-million dollar deal. 

The original domain name was replaced by that of the larger company. The two websites were joined together. When the domain change and site update happened (at the same time), I re-crawled the site to identify 404s. 

I then created a spreadsheet recommending to which pages they should redirect to and which pages should remain as 404. Other issues were identifying soft 404s, missing images and so on.

Source: https://www.searchenginejournal.com/google-advises-redesign-impact-on-seo/375492/

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