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Site Info - Fda.gov

Overview of web technologies used by Fda.gov.

Website Background

U.S. Food and Drug Administration

Description on Homepage

Number 4,845 of all websites according to Alexa

Popularity rank

CountryVisitorsCountry Rank
United States49.7%1,989
China6.7%8,714
India5.9%6,120

Main visitors locations

Website Quality Alerts

Found on page http://fda.gov/
We did not find a web page at http://fda.gov/, but we found one at http://www.fda.gov/.

No web page found at non-www url

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

Drupal

PHP is a popular scripting language for creating web pages.

PHP

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

ASP.NET
(used until recently)

ColdFusion is a scripting language used for building web applications, and developed by Adobe Systems.

ColdFusion
(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
(used until recently)

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

Bootstrap
(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

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

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

Embedded Cascading Style Sheets define a set of style rules in a <style> element within a web page.

Embedded CSS
(used until recently)

Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.

Generic RDFa

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

DigiCert

Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google.

Google Analytics

CrazyEgg is a website visitor and click tracking service.

CrazyEgg

The Apache HTTP Server is a popular open source web server by the Apache Software Foundation.

Apache

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

Microsoft-IIS 7.0
(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
Netherlands

English

 

 

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