SlackSlack

Slack Usage Statistics · Download List of All Websites using Slack

Messaging app for teams that makes working together simple and efficient.

Frameworks

PHPPHP

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.

Facebook Domain VerificationFacebook Domain Verification

Facebook Domain Verification Usage Statistics · Download List of All Websites using Facebook Domain Verification

Domain Verification provides a way for you to claim ownership of your domain in Facebook Business Manager.

Viewport MetaViewport Meta

Viewport Meta Usage Statistics · Download List of All Websites using Viewport Meta

This page uses the viewport meta tag which means the content may be optimized for mobile content.

JavaScript Libraries and Functions

Socket.IOSocket.IO

Socket.IO Usage Statistics · Download List of All Websites using Socket.IO

Socket.IO aims to make realtime apps possible in every browser and mobile device, blurring the differences between the different transport mechanisms.

JavaScript Library

Intersection ObserverIntersection Observer

Intersection Observer Usage Statistics · Download List of All Websites using Intersection Observer

API that can be used to understand the visibility and position of DOM elements relative to a containing element or to the top-level viewport.

Web Hosting Providers

Qrator LabsQrator Labs

Qrator Labs Usage Statistics · Download List of All Websites using Qrator Labs

Qrator Labs offers protection against DDoS attacks, network security, Web Application Firewall, DNS infrastructure, and bot protection for Internet and hosting service providers, data centers, and CDN.

Czech hosting

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.

DMARCDMARC

DMARC Usage Statistics · Download List of All Websites using DMARC

A technical specification created by a group of organizations that want to help reduce the potential for email-based abuse

DMARC

SSL Certificates

SSL by DefaultSSL 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.

Web Servers

nginxnginx

nginx Usage Statistics · Download List of All Websites using nginx

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.