Overview of web technologies used by Ebay.com.
Website Background
Electronics, Cars, Fashion, Collectibles & More | eBay
Buy & sell electronics, cars, clothes, collectibles & more on eBay, the world's online marketplace. Top brands, low prices & free shipping on many items.
Description on Homepage
Top 1k among all websites
Popularity rank
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Content Management System
WordPress is an open source blog publishing and content management system, based on PHP and MySQL.
WordPress 6.6.1
version 6.5.5 used until recently
7% of sites use a newer version
used on inner pages
Server-side Programming Language
PHP is a scripting language for creating websites.
PHP
used on inner pages
Client-side Programming Languages
JavaScript is a lightweight, object-oriented, cross-platform scripting language, often used within web pages.
JavaScript
Adobe Flash (by Adobe Systems, formerly Shockwave Flash and Macromedia Flash and now part of Adobe Animate CC) is a multimedia platform for adding animation and interactivity to web pages.
Flash
used on a subdomain
JavaScript Library
jQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig.
jQuery 3.7.0
43% of sites use a newer version
Web Servers
Envoy Proxy is a proxy server designed for large service-oriented architectures.
Envoy
The Apache HTTP Server is an open source web server by the Apache Software Foundation.
Apache
used on a subdomain
Web Hosting Provider
Amazon is a US-based e-commerce and cloud computing provider.
Amazon
used on a subdomain
hosting info partly based on data from ipinfo.io
Data Center Provider
Amazon is a US-based e-commerce and cloud computing provider.
Amazon
used on a subdomain
Reverse Proxy Services
Akamai is a content delivery network. This includes the former brand Instart Logic.
Akamai
Amazon CloudFront is a content delivery web service by Amazon.
Amazon CloudFront
used on a subdomain
DNS Server Providers
NS1 provides managed and private DNS services, owned by IBM.
NS1
Amazon is a US-based e-commerce and cloud computing provider.
Amazon
used on a subdomain
Email Server Provider
Cisco is a US-based multinational technology company.
Cisco
SSL Certificate Authorities
Sectigo (formerly Comodo CA) is a US-based SSL certificate authority.
Sectigo
DigiCert is an SSL certificate authority. This includes Verizon, whose Enterprise SSL Business has been acquired by DigiCert.
DigiCert
used on a subdomain
JavaScript Content Delivery Networks
The CDNJS is a content distribution network, hosting a large number of JavaScript libraries, provided by CloudFlare.
CDNJS
used on a subdomain
The jQuery CDN hosts copies of the jQuery library, provided by MaxCDN.
jQuery CDN
used on a subdomain
Traffic Analysis Tool
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
used on inner pages
Advertising Networks
The eBay Partner Network is the affiliate program of eBay.
eBay Partner Network
The Google Advertising network consists of AdSense, DoubleClick and other services.
Google Ads
used on inner pages
Tag Manager
The Google Tag Manager is a Google service to support webmasters to manage tags on their websites.
Google Tag Manager
used on inner pages
Social Widget
AddToAny is a social bookmarking and sharing service.
AddToAny
used on inner pages
Site Elements
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
Persistent cookies with an expiration time between 1 day and 1 month.
Cookies expiring in days
used on a subdomain
Persistent cookies with an expiration time between 1 month and 1 year.
Cookies expiring in months
used on inner pages
Persistent cookies with an expiration time between 1 and 10 years.
Cookies expiring in years
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
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
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 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
Persistent cookies with an expiration time of up to 1 day.
Cookies expiring in hours
used until recently
Structured Data Formats
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 Cards enable automatic attachment of photos, videos and media elements to Tweets.
Twitter Cards
JSON-LD (JavaScript Object Notation for Linked Data) is a method of encoding Linked Data using JSON.
JSON-LD
Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.
Generic RDFa
Microdata is a specification to integrate metadata within existing content on web pages.
Microdata
used on inner pages
Markup Language
HTML5 is the fifth revision of the HTML standard.
HTML5
Character Encoding
UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.
UTF-8
Image File Formats
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
WebP is an image format that provides lossless and lossy compression, developed by Google.
WebP
used on inner pages
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 a subdomain
Top Level Domain
Commercial entities
.com
Server Locations
United States
used on a subdomain
Germany
used on a subdomain
Austria
used on a subdomainFinland
used until recentlySweden
used until recently
Content Language
English
