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Site Info - Noaa.gov

Overview of web technologies used by Noaa.gov.

Website Background

National Oceanic and Atmospheric Administration | U.S. Department of Commerce

Description on Homepage

NOS Data Explorer

Description from Alexa

4 March 1998

Online since

Number 2,096 of all websites according to Alexa

Popularity rank

CountryVisitorsCountry Rank
United States67.2%514
China5.4%3,580
India2.6%4,162
CityVisitorsCity Rank
Los Angeles, CA, US3.4%632
San Francisco, CA, US3.1%549
New York, NY, US2.9%939

Main visitors locations

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

Drupal 7
(10% of sites use a newer version)

PHP is a popular scripting language for creating web pages.

PHP 5.5.9
(58% of sites use a newer version)

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

ASP.NET

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

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the visitors browser.

Modernizr

HTML5 is the fifth revision of the HTML standard.

HTML5

Transitional version of HTML.

HTML Transitional 4.0
(used until recently)

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

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

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

The websites redirects visitors to its www subdomain, e.g. from example.com to www.example.com.

Default subdomain www

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

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

Google Analytics

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

Apache 2.4.7
(40% of sites use a newer version)

Ubuntu is a Linux distribution.

Ubuntu

United States Government

.gov

United States

English

Technology Score

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.

TotalPopularity TrafficVersion
Technology Score63744964
Content Management Systems55205690
Server-side Programming Languages62915442
Client-side Programming Languages7510051
JavaScript Libraries729946
Markup Languages698552
Traffic Analysis Tools729351
Web Servers55683860
Operating Systems423847

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