You are viewing this page using:
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

This shows the user's information and what they are using to view the page

This server is running
Apache

This shows the servers information

Predefined variables allow one to access and use frequently needed information. The first one used shows the users information and the second one shows the server's information and there is a plethora of reserved variables that one can access.