One of the essential SEO basics is having a clear understanding of 301 redirects. If you are an SEO professional, you would have clear experience on how simple it seems initially, but understanding how redirects can be implemented can get complex based on the specific scenario. The sooner you master it, the better.
The below are a few scenarios when 301 redirects would come in handy:
When there is a broken URL
When a page has been moved