Web Technologies used by Upwork.com
Site Info - Upwork.com
Overview of web technologies used by Upwork.com.
Website Background
Upwork | Hire Top Freelance Talent with Confidence
Upwork is the world’s largest human and AI-powered freelance marketplace to hire top talent—trusted by businesses and professionals worldwide.
Description on Homepage
Top 1k among all websites
Webflow is a hosted website building service.
Webflow
used on inner pages
Zendesk provides hosted customer service software.
Zendesk
used on a subdomain
JavaScript is a lightweight, object-oriented, cross-platform scripting language. This includes TypeScript.
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.
Nuxt.js is an open source JavaScript framework based on Vue and Node.js.
jQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig.
jQuery
used on inner pages
Cloudflare Server is a web server developed by Cloudflare.
Node.js is a server-side JavaScript environment for writing network programs such as web servers, originally developed by Ryan Dahl.
Envoy Proxy is a proxy server designed for large service-oriented architectures.
Webflow is a hosted website building service.
Webflow
used on inner pages
Zendesk provides hosted customer service software.
Zendesk
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
used on inner pages
Cloudflare provides a content delivery network.
Cloudflare provides DNS servers and other web services.
Gmail is the email service provided by Google.
Zendesk provides hosted customer service software.
Zendesk
used on a subdomain
DigiCert is an SSL certificate authority. This includes Verizon, whose Enterprise SSL Business has been acquired by DigiCert.
The CDNJS is a content distribution network, hosting a large number of JavaScript libraries, provided by CloudFlare.
CDNJS
used on inner pages
jsDelivr is a service for hosting JavaScript files.
jsDelivr
used on inner pages
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 inner pages
unpkg is a JavaScript content delivery network for libraries that use the npm package manager.
unpkg
used on inner pages
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.
Visual Website Optimizer (VWO) is a website visitor behavior analysis tool.
Hotjar is a website analytics and feedback application.
Hotjar
used on inner pages
Microsoft UET (Universal Event Tracking) records what visitors do on a website after they click on an ad.
Microsoft UET
used on inner pages
The LinkedIn Insight Tag helps to optimize LinkedIn campaigns.
LinkedIn Insight Tag
used on inner pages
Snowplow is an open-source web analytics platform.
Snowplow
used on a subdomain
The Google Advertising network consists of AdSense, DoubleClick and other services.
The Google Tag Manager is a Google service to support webmasters to manage tags on their websites.
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.
Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page.
Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.
Brotli is a lossless compression algorithm developed by Google.
HTTP/2 is the second major version of the HTTP network protocol.
HTTP/3 is the third major version of the HTTP network protocol, derived from the QUIC protocol.
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 its www subdomain, e.g. from example.com to www.example.com.
The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.
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.
Twitter/X Cards enable automatic attachment of photos, videos and media elements to tweets.
JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON.
Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.
HTML5 is the fifth revision of the HTML standard.
UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.
JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.
Scalable Vector Graphics (SVG) is an XML-based vector image format.
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
used on inner pages
WebP is an image format that provides lossless and lossy compression, developed by Google.
WebP
used on inner pages
ICO is an image file format for computer icons, originally used in Microsoft Windows, on the Web often used for favicons.
ICO
used until recently
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