Site Info - Whitehouse.gov
Overview of web technologies used by Whitehouse.gov.
The White House
Description on Homepage
President Barack H. ObamaOfficial White House site presents issue positions, news, Cabinet, appointments, offices and major speeches. Includes biography, video tour and photo essays.
Description from Alexa
3 August 2000
Number 2,738 of all websites according to Alexa
Main visitors locations
Drupal is an open source content management system written in PHP, originally developed by Dries Buytaert.
PHP is a popular scripting language for creating web pages.
HTML - Hypertext Mark-up Language - is the a language to define web pages.
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.
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.
GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.
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.
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.
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 addresses is assigned to it, regardless of the content delivered at that address.
Session cookies are temporary cookies, which are deleted when the user closes the browser.
Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat.
Non-secure cookies may be used via an unencrypted connections, which may be a security threat.
Verizon is an IT service provider, also operating as SSL certificate authority, primarily via its acquisition of Cybertrust.
AddThis is a social bookmarking and sharing service owned by Clearspring Technologies.
United States Government
The technology score rates a site based on its technologies in a range from 0 to 100. It consists in a popularity score (how many sites use the same technologies), a traffic score (how much traffic have other sites using the same technologies) and a version score (how many sites use more recent technology versions). Quality alerts also affect the rating.