Analytics and Tracking

Global Site TagGlobal Site Tag

Global Site Tag Usage Statistics · Download List of All Websites using Global Site Tag

Google's primary tag for Google Measurement/Conversion Tracking, Adwords and DoubleClick.

Google Conversion TrackingGoogle Conversion Tracking

Google Conversion Tracking Usage Statistics · Download List of All Websites using Google Conversion Tracking

This free tool in AdWords can show you what happens after customers click your ad (for example, whether they purchased your product, called from a mobile phone or downloaded your app).

Conversion Optimization · Conversion Tracking

Google Tag ManagerGoogle 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

Arabic HREF LANGArabic HREF LANG

Arabic HREF LANG Usage Statistics · Download List of All Websites using Arabic HREF LANG

This webpage has alternate versions available in Arabic via the use of the hreflang tag.

Czech HREF LANGCzech HREF LANG

Czech HREF LANG Usage Statistics · Download List of All Websites using Czech HREF LANG

This webpage has alternate versions available in Czech via the use of the hreflang tag.

German HREF LANGGerman HREF LANG

German HREF LANG Usage Statistics · Download List of All Websites using German HREF LANG

This webpage has alternate versions available in German via the use of the hreflang tag.

English HREF LANGEnglish HREF LANG

English HREF LANG Usage Statistics · Download List of All Websites using English HREF LANG

This webpage has alternate versions available in English via the use of the hreflang tag.

Spanish HREF LANGSpanish HREF LANG

Spanish HREF LANG Usage Statistics · Download List of All Websites using Spanish HREF LANG

This webpage has alternate versions available in Spanish via the use of the hreflang tag.

French HREF LANGFrench HREF LANG

French HREF LANG Usage Statistics · Download List of All Websites using French HREF LANG

This webpage has alternate versions available in French via the use of the hreflang tag.

Croatian HREF LANGCroatian HREF LANG

Croatian HREF LANG Usage Statistics · Download List of All Websites using Croatian HREF LANG

This webpage has alternate versions available in Croatian via the use of the hreflang tag.

Italian HREF LANGItalian HREF LANG

Italian HREF LANG Usage Statistics · Download List of All Websites using Italian HREF LANG

This webpage has alternate versions available in Italian via the use of the hreflang tag.

Lithuanian HREF LANGLithuanian HREF LANG

Lithuanian HREF LANG Usage Statistics · Download List of All Websites using Lithuanian HREF LANG

This webpage has alternate versions available in Lithuanian via the use of the hreflang tag.

Polish HREF LANGPolish HREF LANG

Polish HREF LANG Usage Statistics · Download List of All Websites using Polish HREF LANG

This webpage has alternate versions available in Polish via the use of the hreflang tag.

Portuguese HREF LANGPortuguese HREF LANG

Portuguese HREF LANG Usage Statistics · Download List of All Websites using Portuguese HREF LANG

This webpage has alternate versions available in Portuguese via the use of the hreflang tag.

Russian HREF LANGRussian HREF LANG

Russian HREF LANG Usage Statistics · Download List of All Websites using Russian HREF LANG

This webpage has alternate versions available in Russian via the use of the hreflang tag.

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.

JavaScript Libraries and Functions

ModernizrModernizr

Modernizr Usage Statistics · Download List of All Websites using Modernizr

Modernizr allows you to target specific browser functionality in your stylesheet.

Compatibility

Web Servers

ApacheApache

Apache Usage Statistics · Download List of All Websites using Apache

Apache has been the most popular web server on the Internet since April 1996.

Document Encoding

UTF-8UTF-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.

Document Standards

HTML5 DocTypeHTML5 DocType

HTML5 DocType Usage Statistics

The DOCTYPE is a required preamble for HTML5 websites.

Meta DescriptionMeta Description

Meta Description Usage Statistics

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

Meta KeywordsMeta Keywords

Meta Keywords Usage Statistics

Meta tag containing keywords related to the page.

Meta RobotMeta Robot

Meta Robot Usage Statistics

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

Cascading Style SheetsCascading 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

JavascriptJavascript

Javascript Usage Statistics

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

Canonical Content TagCanonical Content Tag

Canonical Content Tag Usage Statistics

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

HREF LangHREF Lang

HREF Lang Usage Statistics

Contains language specific links.

Windows 8 PinningWindows 8 Pinning

Windows 8 Pinning Usage Statistics

Windows 8 pinning functionality for websites.

HTML 5 Specific TagsHTML 5 Specific Tags

HTML 5 Specific Tags Usage Statistics

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

srcsetsrcset

srcset Usage Statistics

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

Javascript DeferJavascript Defer

Javascript Defer Usage Statistics

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.