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Site Info - Gemswellingtonacademy-alkhail.com
Overview of web technologies used by Gemswellingtonacademy-alkhail.com.
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Number 3,737,676 of all websites according to Alexa
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.
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.
Scalable Vector Graphics (SVG) is an XML-based vector image format.
External Cascading Style Sheets define style rules in a separate CSS file.
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.
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 websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.
Persistent cookies with an expiration time of up to 1 day.
Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat.
Non-secure cookies may be used via an unencrypted connections, which may be a security threat.
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.
Sectigo (formerly Comodo CA) is a US-based 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.
Hotjar is a website analytics and feedback application.
New Relic is a web application performance management tool.
The Google Advertising network consists of AdSense, DoubleClick and other services.
Exponential offers several online advertising services: Tribal Fusion, FullTango, LeadGenuity and EchoTopic.
The Google Tag Manager is a Google service to support webmasters to manage tags on their websites.
Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.
Amazon is a US-based e-commerce and cloud computing provider.
CloudFlare provides a content delivery network.
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