CloudFlare is a global CDN and DNS provider that can speed up and protect any site online.
Google+ platform websites integration using the Google+ platform tag.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Website using the £ symbol on their website - meaning it may accept payment in this British currency.
Website using the ¥ symbol on their website - meaning it may accept payment in this South Korean currency.
websites using the ₪ symbol on their website - meaning it may accept payment in this currency used in Israel.