سایت علمی، فرهنگی و اطلاع رسانی سلام پرس
Websites using some form of Captcha technology on them.
jQuery: The Write Less, Do More, JavaScript Library.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
The DOCTYPE is a required preamble for HTML5 websites.
Wesites using favicon rel tag