Mobile OptimizedMobile Optimized

Mobile Optimized Usage Statistics · Download List of All Websites using Mobile Optimized

Microsoft invented the MobileOptimized META tag to control the layout width for mobile markup rendered in Internet Explorer Mobile.

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

Amazon PaymentsAmazon Payments

Amazon Payments Usage Statistics · Download List of All Websites using Amazon Payments

With Amazon FPS, developers can accept payments on their website for selling goods or services, raise donations, execute recurring payments, and send payments.

Checkout Buttons · Payments Processor

Web Servers

nginxnginx

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.

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

Conditional CommentsConditional Comments

Conditional Comments Usage Statistics · Download List of All Websites using Conditional Comments

[url] uses conditional comments that are supported by Microsoft Internet Explorer. They allow web developers to show or hide HTML code based on the version of the viewer's browser.

Compatibility

Meta RobotMeta Robot

Meta Robot Usage Statistics · Download List of All Websites using Meta Robot

This page contains a meta robots tag which tells search engines and robots to index or not index the page.

Meta Tags

Meta DescriptionMeta Description

Meta Description Usage Statistics · Download List of All Websites using Meta Description

The description attribute provides a concise explanation of the page content.

Meta Tags

Cascading Style SheetsCascading Style Sheets

Cascading Style Sheets Usage Statistics · Download List of All Websites using Cascading Style Sheets

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

CSS

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.

Handheld FriendlyHandheld Friendly

Handheld Friendly Usage Statistics · Download List of All Websites using Handheld Friendly

Tells mobile browsers that the content is already framed for mobile browsing.

Canonical Content TagCanonical Content Tag

Canonical Content Tag Usage Statistics · Download List of All Websites using Canonical Content Tag

Public specification of a preferred URL for a page allows search engines to understand the original location for content.

Meta Tags

JavascriptJavascript

Javascript Usage Statistics · Download List of All Websites using Javascript

JavaScript is a scripting language most often used for client-side web development. Its proper name is ECMAScript, though "JavaScript" is much more commonly used. [url] uses JavaScript.

Javascript DeferJavascript Defer

Javascript Defer Usage Statistics · Download List of All Websites using Javascript Defer

The defer attribute gives a hint to the browser that the script does not create any content so the browser can optionally defer interpreting the script. This can improve performance by delaying execution of scripts until after the body content is parsed and rendered.

WAI-ARIAWAI-ARIA

WAI-ARIA Usage Statistics · Download List of All Websites using WAI-ARIA

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.

MicrodataMicrodata

Microdata Usage Statistics · Download List of All Websites using Microdata

Tags that webmasters can use to markup their pages in ways recognized by major search providers.

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.

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.

Report URIReport URI

Report URI Usage Statistics · Download List of All Websites using Report URI

Report-uri directive instructs the user agent to report attempts to violate the Content Security Policy.

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.

Content Delivery Network

Content Delivery NetworkContent 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.