Redirect 301 or the 301 Permanent Redirect is used in several cases: when we need to change the domain name, move the web page or use site URL with/without “www”. 301 redirect is highly important for the Page Rank (PR) and search traffic.
Redirect 301 is a very popular theme on most SEO forums. Each search engine provides its own tips on how to use this function correctly. In this blog post we’ve united most popular and efficient ways of using Redirect 301.
301 redirect is the best way to preserve your PR in search engines if you are moving your website or a single web page. 301 code is interpreted as the page is being “moved permanently”.
301 Redirect Tips, Tricks and Info