- Support several protocols (allowing fast checking of local documents): http, ftp, ssh (fish or sftp) and file. - Proxy support - Allows authentication when checking restricted documents - Supports the latest Web standards-- HTML 4.0, HTTP 1.1 - Server-Side Includes (SSI, aka SHTML) are supported and checked - Regular expressions to restrict which URLs are searched - Show link results as they are checked - Tree like view (that reflects the file structure of the documents) or flat view - Limit the search depth - Fragment identifiers ("#" anchor links that point to a specific section in a document) are supported and checked - Find and respect the charset of the documents - Pause/Resume of checking session - History of checked URLs - Tabbed checking (allow multiple sessions at the same time) - Filter checked links (good, broken, malformed and undetermined) - Configurable number of simultaneous connections (performance tunning) - Other configurable options like "check external links", "check parent folders", "timeout" - Good integration with Quanta+