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Site Info - Npr.org

Overview of web technologies used by Npr.org.

Website Background

NPR : National Public Radio : News & Analysis, World, US, Music & Arts : NPR
NPR delivers breaking national and world news. Also top stories from business, politics, health, science, technology, music, arts and culture. Subscribe to podcasts and RSS feeds.

Description on Homepage

13 December 1993

Online since

Number 690 of all websites according to Alexa

Popularity rank

CountryVisitorsCountry Rank
United States75.6%131
China4.6%1,129
Canada2.3%614

Main visitors locations

PHP is a popular scripting language for creating web pages.

PHP
(used until recently)

JavaScript is a lightweight, object-oriented, cross-platform scripting language, mainly used within web pages.

JavaScript

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

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

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

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

Microdata

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

Thawte is an SSL certificate authority owned by DigiCert.

Thawte
(used until recently)

Facebook Pixel is an analytics tool to track actions on websites.

Facebook Pixel

Chartbeat is a real-time web analytics tool by Betaworks.

Chartbeat

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

Apache 2.4.10
(38% of sites use a newer version)

Debian is a Linux distribution.

Debian

CenturyLink is a multinational communications company headquartered in USA. This includes its subsidiaries CenturyTel, Savvis, Qwest, Embarq and the former brand Level 3.

CenturyLink
hosting info based on data from ipinfo.io

Akamai is a content delivery network.

Akamai

Amazon CloudFront is a content delivery web service by Amazon.

Amazon CloudFront
(used until recently)

Non-profit organizations

.org

United States

English

 

 

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