SEO Facts & Tips

• Robots.txt file is not needed, when you want search engines to index everything in your site.
• Use Meta Tag = NOINDEX,NOFOLLOW, to prevent google being listed even if other sites link to it.
• Generally to get the site included in WayBack Machine it takes 6-14 mths lag between the data a site is crawled.
• If you're redirecting Old Website to New website through 301 redirect, google will not pass the full link power or PageRank to your New website.
• Sub pages should be 2-3 clicks max from homepage for greater visibility and for deep crawling. 
• Google site speed filter applies only to English www.Google.com only.