Misleading Technology Profile Warning

CALTECH.EDU is on our 'user generated content' site list. This means that various pages across caltech.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

Facebook PixelFacebook Pixel

Facebook Pixel Usage Statistics · Download List of All Websites using Facebook Pixel

Facebook Pixel is Facebooks conversion tracking system for ads on Facebook to websites.

MailChimpMailChimp

MailChimp Usage Statistics · Download List of All Websites using MailChimp

MailChimp is a widely used Mailng List delivery and support service.

Feedback Forms and Surveys

COVID-19COVID-19

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

This website mentions COVID-19 / Novel Coronavirus.

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

AJAX Libraries APIAJAX Libraries API

AJAX Libraries API Usage Statistics · Download List of All Websites using AJAX Libraries API

The AJAX Libraries API is a content distribution network and loading architecture for the most popular, open source JavaScript libraries.

CDN JSCDN JS

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

CloudFlare's CDN with popular javascript frameworks available.

JavaScript Libraries and Functions

jQueryjQuery

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 for WebsitesFacebook for Websites

Facebook for Websites Usage Statistics · Download List of All Websites using Facebook for Websites

Allows a user to make a website more sociable and connected with integrations from the hugely popular Facebook website.

Social SDK

Facebook SDKFacebook SDK

Facebook SDK Usage Statistics · Download List of All Websites using Facebook SDK

JavaScript SDK enables you to access all of the features of the Graph API via JavaScript, and it provides a rich set of client-side functionality for authentication and sharing. It differs from Facebook Connect.

Social SDK

MathJaxMathJax

MathJax Usage Statistics · Download List of All Websites using MathJax

MathJax is an open source javascript technology for rendering mathematical content beautifully.

Underscore.jsUnderscore.js

Underscore.js Usage Statistics · Download List of All Websites using Underscore.js

Underscore is a utility-belt library for JavaScript that provides functional programming support.

LightboxLightbox

Lightbox Usage Statistics · Download List of All Websites using Lightbox

Lightbox JS is a simple, unobtrusive script used to overlay images on the current page. It's a snap to setup and works on all modern browsers.

Lightbox

Advertising

Facebook Custom AudiencesFacebook Custom Audiences

Facebook Custom Audiences Usage Statistics · Download List of All Websites using Facebook Custom Audiences

Custom Audiences from your website makes it possible to reach people who visit your website and deliver the right message to them on Facebook.

Retargeting / Remarketing

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

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.

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

JavascriptJavascript

Javascript Usage Statistics · Download List of All Websites using Javascript

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

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.

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.

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.

Picture ElementPicture Element

Picture Element Usage Statistics · Download List of All Websites using Picture Element

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

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 URI CSPReport URI CSP

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

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

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