Frameworks

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

CloudFrontCloudFront

CloudFront Usage Statistics · Download List of All Websites using CloudFront

Amazon CloudFront is a web service for content delivery. It integrates with other Amazon Web Services to give developers and businesses an easy way to distribute content to end users with low latency, high data transfer speeds, and no commitments.

Content Management System

NetlifyNetlify

Netlify Usage Statistics · Download List of All Websites using Netlify

Netlify is a platform that automates your code to create web sites.

Document Encoding

UTF-8UTF-8

UTF-8 Usage Statistics · Download List of All Websites using UTF-8

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.

Document Standards

X-UA-CompatibleX-UA-Compatible

X-UA-Compatible Usage Statistics · Download List of All Websites using X-UA-Compatible

Allows a website to define how a page is rendered in Internet Explorer 8, allowing a website to decide to use IE7 style rendering over IE8 rendering.

Open Graph ProtocolOpen Graph Protocol

Open Graph Protocol Usage Statistics · Download List of All Websites using Open Graph Protocol

The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook

Twitter CardsTwitter Cards

Twitter Cards Usage Statistics · Download List of All Websites using Twitter Cards

Twitter cards make it possible for you to attach media experiences to Tweets that link to your content.

Web App ManifestWeb App Manifest

Web App Manifest Usage Statistics · Download List of All Websites using Web App Manifest

Defines the attributes of a web app in a simple JSON file. It describes how the web app should appear on the users system and how it should launch.

srcsetsrcset

srcset Usage Statistics · Download List of All Websites using srcset

Adapting images for high-resolution and low-resolution displays.

Picture ElementPicture Element

Picture Element Usage Statistics · Download List of All Websites using Picture Element

The picture element provides images for different devices and is part of the HTML 5.1 specification.

Content Security PolicyContent Security Policy

Content Security Policy Usage Statistics · Download List of All Websites using Content Security Policy

Content Security Policy is a computer security concept, to prevent cross-site scripting XSS attacks.

Feature PolicyFeature Policy

Feature Policy Usage Statistics · Download List of All Websites using Feature Policy

Provides a mechanism to allow and deny the use of browser features

Referrer PolicyReferrer Policy

Referrer Policy Usage Statistics · Download List of All Websites using Referrer Policy

Requests made from a document, and for navigations away from that document are associated with a Referrer header. This policy determines in the browser should send a referrer or not.

Strict Transport SecurityStrict Transport Security

Strict Transport Security Usage Statistics · Download List of All Websites using Strict Transport Security

The HTTP Strict-Transport-Security (HSTS) header instructs the browser to only use https.

HSTSHSTS

HSTS Usage Statistics · Download List of All Websites using HSTS

Forces browsers to only communicate with the site using HTTPS.

X-Frame-OptionsX-Frame-Options

X-Frame-Options Usage Statistics · Download List of All Websites using X-Frame-Options

The X-Frame-Options HTTP response header can be used to indicate whether or not a browser should be allowed to render a page in a frame or iframe. Sites can use this to avoid clickjacking attacks, by ensuring that their content is not embedded into other sites.

Browser Specific

X-XSS-ProtectionX-XSS-Protection

X-XSS-Protection Usage Statistics · Download List of All Websites using X-XSS-Protection

X-XSS-Protection is a HTTP header set by Internet Explorer 8+. This header lets domains toggle on and off the "XSS Filter" of IE8, which prevents some categories of XSS attacks.