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Site Info - Npr.org
Overview of web technologies used by Npr.org.
NPR Choice page
Description on Homepage
13 December 1993
Number 693 of all websites according to Alexa
Main visitors locations
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Found on page http://npr.org/
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PHP is a popular scripting language for creating web pages.
HTML5 is the fifth revision of the HTML standard.
UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.
Scalable Vector Graphics (SVG) is an XML-based vector image format.
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.
JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.
External Cascading Style Sheets define style rules in a separate CSS file.
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 address is assigned to it, regardless of the content delivered at that address.
The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.
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.
Gzip (GNU zip) is a file compression algorithm.
HTTP Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections.
The websites redirects visitors to its www subdomain, e.g. from example.com to www.example.com.
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.
Twitter Cards enable automatic attachment of photos, videos and media elements to Tweets.
Microdata is a specification to integrate metadata within existing content on web pages.
Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.
DigiCert is an SSL certificate authority. This includes Verizon, whose Enterprise SSL Business has been acquired by DigiCert.
Facebook Pixel is an analytics tool to track actions on websites.
Chartbeat is a real-time web analytics tool by Betaworks.
The Apache HTTP Server is a popular open source web server by the Apache Software Foundation.
Debian is a Linux distribution.
CenturyLink is a multinational communications company headquartered in USA. This includes its subsidiaries CenturyTel, Savvis, Qwest, Embarq and the former brand Level 3.
Amazon CloudFront is a content delivery web service by Amazon.
Akamai is a content delivery network.
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