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.

Content Delivery Network
JavaScript Libraries and Functions

Service WorkerService Worker

Service Worker Usage Statistics · Download List of All Websites using Service Worker

A script that your browser runs in the background for caching, notifications and other experiences.

Framework

Web Hosting Providers
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.

Syndication Techniques

AtomAtom

Atom Usage Statistics · Download List of All Websites using Atom

Atom Syndication Format is an XML language used for web feeds very similar to RSS.

RSSRSS

RSS Usage Statistics · Download List of All Websites using RSS

A family of web feed formats used to publish frequently updated content such as blog entries, news headlines or podcasts.