Information : Charset : ASCII was the first character encoding standard (also called character set).ASCII defined 127 different alphanumeric characters that could be used on the internet: numbers (0-9), English letters (A-Z), and some special characters like ! ANSI (Windows-1252) was the original Windows character set, with support for 256 different character codes.In your case your website is the client and the SSL certificate for the server likely isn't valid.
You should upgrade your server to Windows Server® 2008 or Windows Server® 2008 R2 and IIS 7.
: This is to let the used by the search engines, know how to navigate your site. Responsive : Shows whether or not your site which is compatible with desktop computers, is also compatible with tablet computers and mobile devices.
Use: you can show this with the tag : Information : is the worlds largest website for ranking and listing websites` usage and user access.
Information : Statistics regarding the size and concentration of HTML coding used.
Size : Shows the size of the HTML used on your site.