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

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

HSTSHSTS

HSTS Usage Statistics · Download List of All Websites using HSTS

Forces browsers to only communicate with the site using HTTPS.

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.

Common Name InvalidCommon Name Invalid

Common Name Invalid Usage Statistics · Download List of All Websites using Common Name Invalid

The Common Name/SAN value of this websites SSL certificate does not correspond to the domain name.