Misleading Technology Profile Warning

COLUMBIA.EDU is on our 'user generated content' site list. This means that various pages across columbia.edu and its subdomains return technologies that make it difficult for us to tell what the website owners have used and what individuals creating and uploading content across the domain have used.

Analytics and Tracking

Google AnalyticsGoogle Analytics

Google Analytics Usage Statistics · Download List of All Websites using Google Analytics

Google Analytics offers a host of compelling features and benefits for everyone from senior executives and advertising and marketing professionals to site owners and content developers.

Application Performance · Audience Measurement · Visitor Count Tracking

TypekitTypekit

Typekit Usage Statistics · Download List of All Websites using Typekit

Typekit is the easiest way to use real fonts on the web. It's a subscription-based service for linking to high-quality Open Type fonts from some of the worlds best type foundries.

COVID-19COVID-19

COVID-19 Usage Statistics · Download List of All Websites using COVID-19

This website mentions COVID-19 / Novel Coronavirus.

AddThisAddThis

AddThis Usage Statistics · Download List of All Websites using AddThis

Widgets that allows visitors to save and promote the site.

Bookmarking · Social Sharing

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.

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.

Audio / Video Media

YouTube IFrame APIYouTube IFrame API

YouTube IFrame API Usage Statistics · Download List of All Websites using YouTube IFrame API

The IFrame player API lets you embed a YouTube video player on your website and control the player using JavaScript

Content Management System

DrupalDrupal

Drupal Usage Statistics · Download List of All Websites using Drupal

An engine suitable to setup or build a content driven or community driven website. Modular design allows flexibility in design.

Open Source

JavaScript Libraries and Functions

Angular JSAngular JS

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

Angular is what HTML would have been if it had been designed for building web applications.

Node.js

Web Servers

VarnishVarnish

Varnish Usage Statistics · Download List of All Websites using Varnish

Varnish is a web accelerator / reverse proxy caching server.

Caching Proxy

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 · 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

JavascriptJavascript

Javascript Usage Statistics · Download List of All Websites using Javascript

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

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

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.

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.

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

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

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.

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.

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