Frameworks

Ruby on RailsRuby on Rails

Ruby on Rails Usage Statistics · Download List of All Websites using Ruby on Rails

Ruby on Rails is an open-source web framework that is optimized for programmer happiness and sustainable productivity.

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.

Apple Mobile Web App CapableApple Mobile Web App Capable

Apple Mobile Web App Capable Usage Statistics · Download List of All Websites using Apple Mobile Web App Capable

Launches a web application for Safari on iOS in full-screen mode to look like a native application.

Content Management System
JavaScript Libraries and Functions

ReactReact

React Usage Statistics · Download List of All Websites using React

A JavaScript library for building user interfaces from Facebook.

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.

WebpackWebpack

Webpack Usage Statistics · Download List of All Websites using Webpack

webpack takes modules with dependencies and generates static assets representing those modules.

Verified Link

GitHubGitHub

GitHub Usage Statistics · Download List of All Websites using GitHub

The website mentions github.com in some form.

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.

Google Apps for BusinessGoogle Apps for Business

Google Apps for Business Usage Statistics · Download List of All Websites using Google Apps for Business

Web-based email, calendar, and documents for teams. Renamed to Google Apps for Work, but now known as G Suite from Google Cloud.

Business Email Hosting

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.

HSTSHSTS

HSTS Usage Statistics · Download List of All Websites using HSTS

Forces browsers to only communicate with the site using HTTPS.

Content Delivery Network

Content Delivery NetworkContent Delivery Network

Content Delivery Network Usage Statistics · Download List of All Websites using Content Delivery Network

This page contains links that give the impression that some of the site contents are stored on a content delivery network.