If your SEO has said you need to change all internal links pointing to a page that has moved or been killed, they’re doing their job. It is an annoying task but a very important one. There are three main reasons why not linking to 3XX and 4XX pages is important for SEO, not to mention creating a good experience for your website visitors.
If you’re an IT or DEV professional reading this to get out of changing links, even though a 301, 302 or 307 redirect is quick and not very noticeable for an end user, it is certainly noticeable by a search engine and that is what this post covers.
Three Reasons to 3XX and 4XX Are Bad For SEO:
- You do not waste your crawl allowance with them
- Sending users to resources that do not exist creates a bad UX and less favorable option for the search engines
- Multiple redirects can cause a spider or robot to leave your site (see bullet point 1)
Now lets go a bit more into what these mean.