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Site Info - Ancestry.com

Overview of web technologies used by Ancestry.com.

Website Background

Ancestry® | Genealogy, Family Trees & Family History Records
Discover your family history and build a family tree with the world’s largest genealogy website. Search birth records, census data, obituaries and more!

Description on Homepage

Top 1k among all websites

Popularity rank

Atlassian Statuspage is a hosted service for showing the status of services.

Atlassian Statuspage
used on a subdomain

Microsoft's Active Server Pages technology on the .NET framework.

ASP.NET
used on inner pages

JavaScript is a lightweight, object-oriented, cross-platform scripting language, often 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 3.1.1
version 1.12.0 used until recently
73% of sites use a newer version

Lodash is a JavaScript utility library delivering modularity.

Lodash
used on inner pages

Angular is a JavaScript library for building web applications, developed by Google.

Angular 1.4.9
used on inner pages

Bootstrap is an open source HTML, CSS, and JavaScript framework.

Bootstrap
used on a subdomain

Cloudflare Server is a web server developed by Cloudflare.

Cloudflare Server

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

Amazon

Atlassian offers a range of IT products and services.

Atlassian
used on a subdomain
hosting info partly based on data from ipinfo.io, see details

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

Amazon

Cloudflare provides a content delivery network.

Cloudflare

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

Amazon

Proofpoint provides email protection and other IT security services.

Proofpoint

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

GlobalSign

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 a subdomain

New Relic is a web application performance management tool.

New Relic

Microsoft UET (Universal Event Tracking) records what visitors do on a website after they click on an ad.

Microsoft UET
used on a subdomain

The Google Advertising network consists of AdSense, DoubleClick and other services.

Google Ads

Amazon Associates is the affiliate program of Amazon.

Amazon Associates
used on a subdomain

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

Google Tag Manager

The WhatsApp share button allows users to share content with their WhatsApp contacts.

WhatsApp
used until recently

Facebook Social Plugins provide a way for Facebook users to share web pages with their friends.

Facebook
used until recently

A Twitter/X Button allows a Twitter user to post a tweet from the visited site.

Twitter/X
used until recently

The Pinterest Pin-It button allows website visitors to pin images onto Pinterest.

Pinterest
used until recently

LinkedIn Share Buttons enable visitors to to share website content with their LinkedIn network.

LinkedIn
used until recently

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
used on inner pages

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

Cookies expiring in hours
used on inner pages

Persistent cookies with an expiration time of more than 10 years.

Cookies expiring in decades
used on inner pages

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

HttpOnly Cookies
used on inner pages

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

Non-HttpOnly Cookies
used on inner pages

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

Secure Cookies
used on inner pages

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

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

HTTP/2

HTTP/3 is the third major version of the HTTP network protocol, derived from the QUIC protocol.

HTTP/3

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

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

Microdata

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 until recently

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

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

SVG

JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.

JPEG
used until recently

GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.

GIF
used until recently

Commercial entities

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