This article describes Pixelism's technical policy for TrafficDriver.

Pixelism reserves the right not to index or submit URLs, using TrafficDriver, that do not meet the following technical standards:

• must resolve to an operational web page.
• It may not generate error messages such as "File not Found."
• must be freely accessible and not require a username, password, cookie or other authentication in order to access
• must be accessible to our TrafficDriver spider
• must not reside on an SSL secure server
• must not block access using a robots.txt, or prevent spiders in any other manner
• must contain visible text - no graphics-only pages

the URL may not contain:

• non-printing characters (ASCII 0 - 31)
• spaces (ASCI 32)
• international characters (ASCII 127 - 255)
• foreign characters: @, !, $, ^, , (, ), ~, `@ ! $ ^ ( ) ~ ` (ASCII 64, 33, 36, 94, 42, 40, 41, 126, 96)
• the URL must not exceed 255 characters
• 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