Maximum number of entries in the combo url. 50 Maximum number of simultaneous connections. 5 Timeout on getting an URL. 35 History of combo url. Whether to do a recursive check. true Maximum depth to check. 0 Whether to check parent folders. true Whether to check external links. true Whether to remeber the check settings like depth, and so on, on exit. false Whether preview prefix in Quanta project is used to set the URL to check. true Whether to display a tree view or a flat view in the results view. true Whether to display a tree view or a flat view in the results view. false Whether to automatically adjust the width of the result columns (Not used). false Whether the viewport of the result view should follow the last link checked. true Whether the user can see if the markup is valid by showing a column with an icon indicator. false Whether to send an User-Agent in HTTP requests. true Defines the HTTP User-Agent to send.