CloudFlare is a global CDN and DNS provider that can speed up and protect any site online.
Website using the € symbol on their website - meaning it may accept payment in Euros.
websites using the $ symbol on their website - meaning it may accept payment in this currency used in Israel.
Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook