Ebay.com is built with the following tech stack:
Document Encoding
UTF-8
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
Mobile
Viewport Meta
This page uses the viewport meta tag which means the content may be optimized for mobile content.
Document Standards
Open Graph Protocol
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook
Twitter Cards
Twitter cards make it possible for you to attach media experiences to Tweets that link to your content.
Meta Description
The description attribute provides a concise explanation of the page content.
Cascading Style Sheets
Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML
Web App Manifest
Defines the attributes of a web app in a simple JSON file. It describes how the web app should appear on the users system and how it should launch.
HREF Lang
Contains language specific links.
Canonical Content Tag
Public specification of a preferred URL for a page allows search engines to understand the original location for content.
JSON-LD
JSON-LD, or JavaScript Object Notation for Linked Data, is a method of transporting Linked Data using JSON.
Javascript
JavaScript is a scripting language most often used for client-side web development.
HTML5 DocType
The DOCTYPE is a required preamble for HTML5 websites.
HTML 5 Specific Tags
This page contains tags that are specific to an HTML 5 implementation.
X-XSS-Protection
X-XSS-Protection is a HTTP header set by Internet Explorer 8+. This header lets domains toggle on and off the "XSS Filter" of IE8, which prevents some categories of XSS attacks.
Content Type Options
Used to disable MIME-sniffing for a particular HTTP response.
Strict Transport Security
The HTTP Strict-Transport-Security (HSTS) header instructs the browser to only use https.
Language
Poland HREF LANG
This webpage has alternate versions available in Poland via the use of the hreflang tag.
Spanish - Colombia HREF LANG
This webpage has alternate versions available in Spanish - Colombia via the use of the hreflang tag.
Argentina HREF LANG
This webpage has alternate versions available in Argentina via the use of the hreflang tag.
Chile HREF LANG
This webpage has alternate versions available in Chile via the use of the hreflang tag.
United States HREF LANG
This webpage has alternate versions available in United States via the use of the hreflang tag.
Spain HREF LANG
This webpage has alternate versions available in Spain via the use of the hreflang tag.
Canada HREF LANG
This webpage has alternate versions available in Canada via the use of the hreflang tag.
Italy HREF LANG
This webpage has alternate versions available in Italy via the use of the hreflang tag.
Philippines HREF LANG
This webpage has alternate versions available in Philippines via the use of the hreflang tag.
Brazil HREF LANG
This webpage has alternate versions available in Brazil via the use of the hreflang tag.
Netherlands HREF LANG
This webpage has alternate versions available in Netherlands via the use of the hreflang tag.
HongKong HREF LANG
This webpage has alternate versions available in HongKong via the use of the hreflang tag.
China HREF LANG
This webpage has alternate versions available in China via the use of the hreflang tag.
Singapore HREF LANG
This webpage has alternate versions available in Singapore via the use of the hreflang tag.
Switzerland HREF LANG
This webpage has alternate versions available in Switzerland via the use of the hreflang tag.
Mexico HREF LANG
This webpage has alternate versions available in Mexico via the use of the hreflang tag.
Australia HREF LANG
This webpage has alternate versions available in Australia via the use of the hreflang tag.
Portugal HREF LANG
This webpage has alternate versions available in Portugal via the use of the hreflang tag.
Austria HREF LANG
This webpage has alternate versions available in Austria via the use of the hreflang tag.
Belgium HREF LANG
This webpage has alternate versions available in Belgium via the use of the hreflang tag.
Belgium HREF LANG
This webpage has alternate versions available in Belgium via the use of the hreflang tag.
France HREF LANG
This webpage has alternate versions available in France via the use of the hreflang tag.
Canada HREF LANG
This webpage has alternate versions available in Canada via the use of the hreflang tag.
United Kingdom HREF LANG
This webpage has alternate versions available in United Kingdom via the use of the hreflang tag.
Germany HREF LANG
This webpage has alternate versions available in Germany via the use of the hreflang tag.
Malaysia HREF LANG
This webpage has alternate versions available in Malaysia via the use of the hreflang tag.
SSL Certificates
HSTS
Forces browsers to only communicate with the site using HTTPS.