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Site Info - Quizlet.com

Overview of web technologies used by Quizlet.com.

Website Background

Learning tools and flashcards - for free! | Quizlet
Quizlet makes simple learning tools that let you study anything. Start learning today with flashcards, games and learning tools — all for free!

Description on Homepage

Number 229 of all websites according to Alexa

Popularity rank

CountryVisitorsCountry Rank
United States88.4%220
India1.5%7,419
Canada1.2%1,693

Main visitors locations

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

JavaScript

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

jQuery

HTML5 is the fifth revision of the HTML standard.

HTML5

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

UTF-8

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

SVG

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

External CSS

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

Inline CSS

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

Cookies expiring in hours

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

HttpOnly Cookies

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

Non-HttpOnly Cookies

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

Secure Cookies

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression

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

HTTP/2

HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections.

HTTP Strict Transport Security

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

JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON.

JSON-LD

Microdata is a specification to integrate metadata within existing content on web pages.

Microdata

Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.

Generic RDFa

DigiCert is an SSL certificate authority. This includes Verizon, whose Enterprise SSL Business has been acquired by DigiCert.

DigiCert

The CDNJS is a content distribution network, hosting a large number of JavaScript libraries, provided by CloudFlare.

CDNJS

Quantcast provides visitor statistics of web sites.

Quantcast

Full Circle Studies collects information about general website visitation patterns as part of the ComScore market research.

Full Circle Studies

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

Google Tag Manager

Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.

Nginx

CloudFlare provides a content delivery network.

CloudFlare
hosting info based on data from ipinfo.io, see details

Commercial entities

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United States

English

 

 

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