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
Gravatar Profiles Usage Statistics · Download List of All Websites using Gravatar Profiles
Creates Gravatar Profiles on the site.
Atlassian Bitbucket Usage Statistics · Download List of All Websites using Atlassian Bitbucket
Distributed version control system for software.
Enterprise
HSTS Usage Statistics · Download List of All Websites using HSTS
Forces browsers to only communicate with the site using HTTPS.
Apache Usage Statistics · Download List of All Websites using Apache
Apache has been the most popular web server on the Internet since April 1996.
Apache 2.4 Usage Statistics · Download List of All Websites using Apache 2.4
Apache version 2.4.*
Red Hat Enterprise Linux Usage Statistics · Download List of All Websites using Red Hat Enterprise Linux
Red Hat Enterprise Linux (often abbreviated to RHEL) is a Linux distribution produced by Red Hat and targeted toward the commercial market, including mainframes.
OpenSSL Usage Statistics · Download List of All Websites using OpenSSL
The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library.
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 Usage Statistics
The DOCTYPE is a required preamble for HTML5 websites.
X-UA-Compatible Usage Statistics
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.
Javascript Usage Statistics
JavaScript is a scripting language most often used for client-side web development.
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
OpenSearch Usage Statistics
The OpenSearch description document format can be used to describe a search engine so that it can be used by search client applications.
HTML 5 Specific Tags Usage Statistics
This page contains tags that are specific to an HTML 5 implementation.
IFrame Usage Statistics
The page shows content with an iframe; an embedded frame that loads another webpage.
WAI-ARIA Usage Statistics
A way to make Web content and Web applications more accessible to people with disabilities. It especially helps with dynamic content and advanced user interface controls developed with Ajax, HTML, JavaScript, and related technologies.
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.
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.
Content Type Options Usage Statistics
Used to disable MIME-sniffing for a particular HTTP response.
Strict Transport Security Usage Statistics
The HTTP Strict-Transport-Security (HSTS) header instructs the browser to only use https.
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.
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