301 redirect

1. how long does it take for 301 redirects to impact on search ranking ? In 2020 2. If you did 301 redirects before what is the best practices !? Kindly share your knowledge

1. how long does it take for 301 redirects to impact on search ranking ? In 2020 2. If you did 301 redirects before what is the best practices !? Kindly share your knowledge

Google says it is OK to cross link between ones own pages, but not too much. Most dont do it, is there a difference in that and 301 redirects with empty domains? Does it consider as same as linking between sites? If the domain is close but not same? What if when there are many empty 301 domains...

Google says it is OK to cross link between ones own pages, but not too much. Most dont do it, is there a difference in that and 301 redirects with empty domains? Does it consider as same as linking between sites? If the domain is close but not same? What if when there are many empty 301 domains...