Cool links for gathering SEO information

Here are some cool links that you can use to gather information to help with your search engine optimization.

• Wayback Machine - A site's age - or how long it has been on the internet is considered one of the top 5 factors in how it ranks. You can see the history of a site using this tool called the Wayback Machine. By seeing the history of a site, you may be able to understand why it is outranking yours, even though yours is a much better site!
  
  
• SEO Toolbox - The SEO ToolBox is a collection of FREE SEO tools. # Strongest Pages on a Domain: Determines what the strongest pages are on your domain # Who Else is Hosted on My IP?: Determines what other websites are hosted on your IP address # Check Inclusion: Shows you whether your URL has been indexed by Google, Yahoo! & MSN. # Check Backlinks: Reports the number of backlinks to a URL, also shows a historical view of previous backlinks. # Outbound Link Checker: This tool reports what external pages your domain is linking to. #Check PageRank: Reports the PageRank of a URL and shows a historical view of previous PR scores. # Find Domain Age: Find the age of your domain and when it was first spidered by the search engines. # Check HTTP Status Code 301? 302? Find out what HTTP status code a website is producing.
  
  
• PR Checker - Page Rank Checker is a free tool to check Google™ page ranking of any web site pages easily and to display your site's PageRank™ value on your web pages