Email Hosting Providers

SPFSPF

SPF Usage Statistics · Download List of All Websites using SPF

The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.

Standard

Web Servers

VarnishVarnish

Varnish Usage Statistics · Download List of All Websites using Varnish

Varnish is a web accelerator / reverse proxy caching server.

Caching Proxy

CSS Media Queries

Min WidthMin Width

Min Width Usage Statistics · Download List of All Websites using Min Width

A CSS media query to display specific CSS if a device greater than the minimum width specified.

Max WidthMax Width

Max Width Usage Statistics · Download List of All Websites using Max Width

Media query to limit CSS to display for devices with a maximum width defined.