Use this toCheck the response of web servers
Menu pathTools > Extra > Inspect Server Response
Command nameMToolsServerResponseInspector
Accelerator keyR (from the main menu: Alt+T > R > R)
Options on parent menu (Extra+)Attach Quick Note, Color Picker, Color Picker Dialog, W3C Markup Validation Service, W3C CSS Validation Service, W3C XML Schema Checker, W3C RDF Validation Service, W3C Feed Validation Service, W3C P3P Validator, Lorem Ipsum Generator, Inspect Server Response, File Watcher, Compare Documents (Diff)