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Site Info - Cps.edu

Overview of web technologies used by Cps.edu.

Website Background

Chicago Public Schools
Chicago Public Schools is committed to providing a high-quality education to all students, and preparing them for success in college, career, and civic life.

Description on Homepage

Top 100k among all websites

Popularity rank

Java is a general-purpose language originally developed by Sun Microsystems.

Java

Microsoft's Active Server Pages technology on the .NET framework.

ASP.NET 4.0.30319
0% of sites use a newer version

JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages.

JavaScript

ASP.NET Ajax is a JavaScript library based on ASP.NET, developed by Microsoft.

ASP.NET Ajax

jQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig.

jQuery 1.12.4
version 3.5.1 used until recently
79% of sites use a newer version
used on a subdomain

Bootstrap is an open source HTML, CSS, and JavaScript framework.

Bootstrap
used on a subdomain

The Dojo Toolkit is a modular JavaScript library maintained by the Dojo Foundation.

Dojo
used on a subdomain

Bootstrap is an open source HTML, CSS, and JavaScript framework.

Bootstrap
used on a subdomain

Cloudflare Server is a web server developed by Cloudflare.

Cloudflare Server

The Internet Information Services (IIS) are a set of Internet-based services for Windows, developed by Microsoft.

Microsoft-IIS
used on inner pages

Windows is an operating system produced by Microsoft.

Windows
used on inner pages

Optimizely provides hosted web content management and digital commerce platforms.

Optimizely

Microsoft is a multinational technology company headquartered in USA.

Microsoft
used on a subdomain
hosting info partly based on data from ipinfo.io

Optimizely provides hosted web content management and digital commerce platforms.

Optimizely

Microsoft is a multinational technology company headquartered in USA.

Microsoft
used on a subdomain

Cloudflare provides a content delivery network.

Cloudflare

Mimecast is a cyber security company providing email services headquartered in the UK.

Mimecast

Sectigo (formerly Comodo CA) is a US-based SSL certificate authority.

Sectigo

Google Hosted Libraries (formerly called Google Libraries API) is a content distribution network for the most popular, open-source JavaScript libraries, provided by Google.

Google Hosted Libraries
used on a subdomain

Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google. This includes the Ads conversion tracking and the Floodlight services.

Google Analytics

The Google Advertising network consists of AdSense, DoubleClick and other services.

Google Ads

The Google Tag Manager is a Google service to support webmasters to manage tags on their websites.

Google Tag Manager

Facebook Social Plugins provide a way for Facebook users to share web pages with their friends.

Facebook
used on inner pages

A Twitter/X Button allows a Twitter user to post a tweet from the visited site.

Twitter/X
used on inner pages

LinkedIn Share Buttons enable visitors to to share website content with their LinkedIn network.

LinkedIn
used on inner pages

External Cascading Style Sheets define style rules in a separate CSS file.

External CSS

Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page.

Embedded CSS

Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.

Inline CSS

Session cookies are temporary cookies, which are deleted when the user closes the browser.

Session Cookies
used on inner pages

Persistent cookies with an expiration time of up to 1 day.

Cookies expiring in hours
used on inner pages

Persistent cookies with an expiration time between 1 month and 1 year.

Cookies expiring in months
used on inner pages

HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security.

HttpOnly Cookies
used on inner pages

Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat.

Non-HttpOnly Cookies
used on a subdomain

Secure cookies are used only via an encrypted connections, which may increase security.

Secure Cookies
used on inner pages

Non-secure cookies may be used via an unencrypted connections, which may be a security threat.

Non-Secure Cookies
used on inner pages

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression

A strong ETag is an HTTP header field for validation of cached web pages, that indicates a byte-for-byte identical page in the cache.

Strong ETag
used on a subdomain

The Internet Protocol version 6 (IPv6) provides amongst others a vastly larger address space than the preceding version 4. We consider a website to support IPv6 if a 128-bit address is assigned to it, regardless of the content delivered at that address.

IPv6

HTTP/2 is the second major version of the HTTP network protocol.

HTTP/2

HTTP/3 is the third major version of the HTTP network protocol, derived from the QUIC protocol.

HTTP/3

The websites redirects visitors to its www subdomain, e.g. from example.com to www.example.com.

Default subdomain www

The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.

Default protocol https

The Open Graph protocol, originally developed by Facebook, is an RDFa-based format that enables any web page to become a rich object in a social graph.

Open Graph

Twitter/X Cards enable automatic attachment of photos, videos and media elements to tweets.

Twitter/X Cards

HTML5 is the fifth revision of the HTML standard.

HTML5

Strict version of XHTML.

XHTML Strict 1.0
used on a subdomain

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.

UTF-8

PNG (Portable Network Graphics) is a lossless compression image format, suitable to store graphics with uniformly colored areas, and originally introduced as a free, open-source successor of GIF.

PNG

JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.

JPEG

Scalable Vector Graphics (SVG) is an XML-based vector image format.

SVG

GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.

GIF

United States educational institutes

.edu

Sweden
United States
used on a subdomain

English

 

 

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