PHP

PHP Usage Statistics · Download List of All Websites using PHP

PHP is a widely used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

SPF

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.

Microsoft Exchange Online

Microsoft Exchange Online Usage Statistics · Download List of All Websites using Microsoft Exchange Online

A rich hosted Exchange environment for every user without having to manage a server.

Business Email Hosting

Office 365 Mail

Office 365 Mail Usage Statistics · Download List of All Websites using Office 365 Mail

Email sent from this domain has records showing Office 365 usage.

Business Email Hosting

SSL by Default

SSL by Default Usage Statistics · Download List of All Websites using SSL by Default

The website redirects traffic to an HTTPS/SSL version by default.

LetsEncrypt

LetsEncrypt Usage Statistics · Download List of All Websites using LetsEncrypt

Let’s Encrypt is a free open Certificate Authority.

Root Authority

OpenSSL

OpenSSL Usage Statistics · Download List of All Websites using OpenSSL

The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library.

FreeBSD

FreeBSD Usage Statistics · Download List of All Websites using FreeBSD

FreeBSD is an operating system for modern server, desktop, and embedded computer platforms.

Apache

Apache Usage Statistics · Download List of All Websites using Apache

Apache has been the most popular web server on the Internet since April 1996.