SEO Technical Guide

• The URL must resolve to an operational Web page. It may not generate error messages such as "File not Found."
• The Web page must be accessible and not require a username, password, cookie or other authentication in order to access.
• The web page must be accessible to our partner's spider and must not reside on a secure server (eg https://), use any blocking technologies (such as robots.txt files), or require a username, password, cookie or other authentication.
• The Web page must permit so called "spidering" technology, such as not excluding the URL by use of a "robots.txt" file.
• The Web page must contain visible text (not graphics only).
• The URL may not contain the following: Non-printing characters (ASCII value 0-31)Spaces (32)International characters (ASCII value 127-255)Foreign characters: @, !, $, ^, *, (, ), ~, `@ ! $ ^ * ( ) ~ ` (ASCII values 64, 33, 36, 94, 42, 40, 41, 126, 96)
• The URL itself must not exceed 255 characters.
• The URL should not use JavaScript or other scripts to load a substitute URL.
• No more than one level of redirection should be required to retrieve the page.