How To Install Apache mod_spdy on a Debian 7 VPS
Apache mod_spdy is an open source Apache module that allows Apache web servers to serve HTTPS requests using the SPDY protocol. SPDY (pronounced as “SPeeDY”) is a new protocol created to address speed related problems with the HTTP protocol; it allows the client and server to pass multiple requests over a single connection, compress request and response headers, and all the server to push site resources to the client without the client requesting them.