SEO Friendly Programming

• www redirection should be done.404 pages should not occur.
• Pages for 400, 401,403,404, and 500 have to be customized.
• If the cached pages have to be removed then 301 redirection have to be done.
• External links have to be controlled with no follow tag.
• Query string should not be passed.Broken links have to be checked.
• Session Id should not be passed in the URL.Avoid using doorway pages.