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Site Info - Worlddata.io
Overview of web technologies used by Worlddata.io.
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Number 3,744,297 of all websites according to Alexa
Pagekit is an open source content management system written in PHP.
PHP is a popular scripting language for creating web pages.
HTML5 is the fifth revision of the HTML standard.
Transitional version of HTML.
UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.
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.
Scalable Vector Graphics (SVG) is an XML-based vector image format.
External Cascading Style Sheets define style rules in a separate CSS file.
Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.
Session cookies are temporary cookies, which are deleted when the user closes the browser.
HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security.
Non-secure cookies may be used via an unencrypted connections, which may be a security threat.
Gzip (GNU zip) is a file compression algorithm.
The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.
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.
HTTP/2 is the second major version of the HTTP network protocol.
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.
Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.
IdenTrust is a SSL certificate authority.
The SSL certificate is invalid because it is not issued for the domain where it is used.
Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google.
The Google Advertising network consists of AdSense, DoubleClick and other services.
The Google Tag Manager is a Google service to support webmasters to manage tags on their websites.
The Apache HTTP Server is a popular open source web server by the Apache Software Foundation.
Ubuntu is a Linux distribution.
Amazon is a US-based e-commerce and cloud computing provider.
Namecheap is a US-based domain registrar and web hosting company.
Amazon CloudFront is a content delivery web service by Amazon.
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