On Windows 7 (or Vista) I use
Amberloom – The most comprehensive website checker on the Internet (2016/04/05 11:49)
Releasing Amberloom Website Checker, a comprehensive domain analyzer and website checker. The service is focused on helping web developers, web owners and administrators, by giving them valuable information about their website or server together with suggestions on what can be improved.
Amberloom performs many different checks of the target website, domain and relevant servers, and delivers detailed reports covering security, speed and usability, standards and best practices compliance, server configuration, web popularity, and much more. The reports can be highly customized and full white labeling features are also available, so resellers are more than welcome.