Hotjar

Hotjar Usage Statistics · Download List of All Websites using Hotjar

A heatmap, survey, feedback and funnel application.

Audience Measurement · Conversion Optimization · Feedback Forms and Surveys

Google Tag Manager

Google Tag Manager Usage Statistics · Download List of All Websites using Google Tag Manager

Tag management that lets you add and update website tags without changes to underlying website code.

Tag Management

Postcodes.io

Postcodes.io Usage Statistics · Download List of All Websites using Postcodes.io

Postcodes.io is a free UK postcode lookup API and dataset.

Placehold IT

Placehold IT Usage Statistics · Download List of All Websites using Placehold IT

A quick and simple placeholder service.

Rackspace CDN

Rackspace CDN Usage Statistics · Download List of All Websites using Rackspace CDN

Rackspace CDN system.

jsDelivr

jsDelivr Usage Statistics · Download List of All Websites using jsDelivr

A free CDN where Javascript developers can host their files. Encompasses MaxCDN, and BootstrapCDN.

BootstrapCDN

BootstrapCDN Usage Statistics · Download List of All Websites using BootstrapCDN

Bootstrap CDN system - encompasses MaxCDN, NetDNA and Stackpath - donated to jsDelivr.

CDN JS

CDN JS Usage Statistics · Download List of All Websites using CDN JS

CloudFlare's CDN with popular javascript frameworks available.

Cloudflare JS

Cloudflare JS Usage Statistics · Download List of All Websites using Cloudflare JS

Loads content from Cloudflare CDN.

Apple Mobile Web Clips Icon

Apple Mobile Web Clips Icon Usage Statistics · Download List of All Websites using Apple Mobile Web Clips Icon

This page contains an icon for iPhone, iPad and iTouch devices.

Viewport 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.

IPhone / Mobile Compatible

IPhone / Mobile Compatible Usage Statistics · Download List of All Websites using IPhone / Mobile Compatible

The website contains code that allows the page to support IPhone / Mobile Content.

jQuery

jQuery Usage Statistics · Download List of All Websites using jQuery

JQuery is a fast, concise, JavaScript Library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your web pages. jQuery is designed to change the way that you write JavaScript.

JavaScript Library

Facebook

Facebook Usage Statistics · Download List of All Websites using Facebook

The website mentions facebook.com in some form.

nginx

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.

UTF-8

UTF-8 Usage Statistics

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

HTML5 DocType

HTML5 DocType Usage Statistics

The DOCTYPE is a required preamble for HTML5 websites.

Javascript

Javascript Usage Statistics

JavaScript is a scripting language most often used for client-side web development.

Open Graph Protocol

Open Graph Protocol Usage Statistics

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

Twitter Cards

Twitter Cards Usage Statistics

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

Windows 8 Pinning

Windows 8 Pinning Usage Statistics

Windows 8 pinning functionality for websites.

Cascading Style Sheets

Cascading Style Sheets Usage Statistics

Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML

Twitter Bootstrap

Twitter Bootstrap Usage Statistics

Bootstrap is a toolkit from Twitter designed to kickstart development of webapps and sites.

Font Face Rule

Font Face Rule Usage Statistics

The @font-face rule allows for linking to fonts that are automatically activated when needed.

IFrame

IFrame Usage Statistics

The page shows content with an iframe; an embedded frame that loads another webpage.

HTML 5 Specific Tags

HTML 5 Specific Tags Usage Statistics

This page contains tags that are specific to an HTML 5 implementation.

srcset

srcset Usage Statistics

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

Picture Element

Picture Element Usage Statistics

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

Content Type Options

Content Type Options Usage Statistics

Used to disable MIME-sniffing for a particular HTTP response.

X-Frame-Options

X-Frame-Options Usage Statistics

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.

X-XSS-Protection

X-XSS-Protection Usage Statistics

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.

Content 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.