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Site Info - Cancer.gov

Overview of web technologies used by Cancer.gov.

Website Background

Comprehensive Cancer Information - National Cancer Institute
Accurate, up-to-date, comprehensive cancer information from the U.S. government's principal agency for cancer research.

Description on Homepage

Number 11,267 of all websites according to Alexa

Popularity rank

CountryVisitorsCountry Rank
United States36.9%4,954
China12.8%6,900
Mexico6.2%2,606

Main visitors locations

Drupal is an open source content management system written in PHP, originally developed by Dries Buytaert.

Drupal 8
(0% of sites use a newer version)

PHP is a popular scripting language for creating web pages.

PHP

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

ASP.NET 4.0.30319
(used until recently)

JavaScript is a lightweight, object-oriented, cross-platform scripting language, mainly 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
(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

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

JPEG

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

GIF

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

SVG

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 until recently)

External Cascading Style Sheets define style rules in a separate CSS file.

External CSS

Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.

Inline CSS

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

The Internet Protocol version 6 (IPv6) provides amongst others a vastly larger address space than the preceding version 4. We consider a website to support IPv6 if a 128-bit address is assigned to it, regardless of the content delivered at that address.

IPv6

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

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

DigiCert is an SSL certificate authority. This includes Verizon, whose Enterprise SSL Business has been acquired by DigiCert.

DigiCert

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 until recently)

New Relic is a web application performance management tool.

New Relic

Adobe DTM (Dynamic Tag Management) is a tag management system by Adobe. This includes Satellite, previously owned by Search Discovery, and Adobe TagManager.

Adobe DTM

Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.

Nginx

The Internet Information Services (IIS) are a set of Internet-based services for Windows, developed by Microsoft.

Microsoft-IIS 7.5
(used until recently)

Windows is a popular operating system produced by Microsoft.

Windows
(used until recently)

Akamai is a content delivery network.

Akamai
hosting info based on data from ipinfo.io

United States Government

.gov

United States
Finland

English

 

 

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