It's not the bugs you know that kill a website. It's the ones you can't see, lurking just out of sight, that get you. Learn how Lafayette College identified the Lovecraftian code horrors lurking beneath its feet with tools like Splunk (server log analysis), OSSEC (server-side bad behavior monitor) and SiteImprove (web page auditing tool) and then surgically eliminated the problems. Examples include PHP scripts spewing error notices into logs, undiscovered CAS authentication failures, and thumbnail generation scripts that choke on large files.