This can occur for various reasons, such also known as Error, or page requests that cannot be found in your website.
Redirection affects the user experience and traffic to your content and having number of redirected links can cause your loading speed to slow down to certain extent..
While having to redirect pages is challenging to avoid, is it best to ensure that you are still able to optimize your loading speed using methods like AMP integration and caching tools.
Along with landing pages, redirecting most of your web pages to your home page is also practice that is not encouraged, and lose some of your hard-earned traffic from the content that will be redirected.
Instead, the better approach is to redirect them to related content.
While 301 redirects would still be able to retain their PageRank, having redirect chain will affect GoogleBot's ability to crawl into your website.
GoogleBot would less likely crawl the latter pages, and in some cases, not crawl the page at all.
the best practice is to begin cleaning them up as soon as possible, even more so for web pages that have been redirected in the past.
Optimizing this process would bring in positive changes to your traffic and search rankings, and ensure that GoogleBot would be able to crawl each page while making sure there's enough link value..
While redirection is process that helps users and retains much of your PageRank, having excessive or disorganized set of redirects can affect page performance, and affect how GoogleBot crawls into your website.
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