Cloudflare Browser Insights is a tool that measures the performance of websites from the perspective of users.
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
KPHP (kPHP or KittenPHP) is a free PHP-to- C++ source-to-source translator, developed by VKontakte.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.