This graph speaks for itself, doesn't it?
Let’s be clear: Keyword cannibalization isn’t just about having more than one page targeting the same keyword, which prevents both from ranking higher in search engines. It’s more of an intent issue. It’s only when the intent of two (or more) pages is the same that you’re competing with yourselves and suffering from cannibalization issues.
Using 301 redirects helps solve problems caused by cannibalization in cases where there is no reason to keep all competing pages.
Now you know the SEO best practices that are possible when you migrate a blog from a subdomain to a subfolder on your site. If your business operates on multiple websites, for example if you manage a hotel chain and you have a different site for each hotel, it may be worth merging them all into one, as Marriott did.
301 redirects - Marriott page merge
Again, you are combining the authority and link juice of multiple sri lanka phone number data domain properties into one. The resulting site is stronger and achieves rapid success (remember, to have the same success as Marriott, your SEO strategies must be well-honed).
Manage products that are no longer available
From an SEO perspective, dealing with discontinued products often raises different opinions.
Opinion 1 : If a product is no longer in stock because it is no longer available and there is little chance that it will be back, it is often recommended to use a 301 redirect to the closest alternative. This is a much better option than simply deleting the page, which sends users to a 404 when they try to purchase an old product (which is a common problem).