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Site Info - Telegram.org
Overview of web technologies used by Telegram.org.
Description on Homepage
Number 285 of all websites according to Alexa
Main visitors locations
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.
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.
Persistent cookies with an expiration time of up to 1 day.
HttpOnly cookies are used only in the HTTP protocol and not in client side scripts, which may increase security.
Secure cookies are used only via an encrypted connections, which may increase security.
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 Strict Transport Security (HSTS) defines a mechanism enabling web sites to declare themselves accessible only via secure connections.
The websites redirects visitors to use SSL encryption, e.g. from http://example.com/ to https://example.com/.
Non-secure cookies may be used via an unencrypted connections, which may be a security threat.
SPDY (pronounced speedy) is a web protocol developed by Google, the basis for HTTP/2.
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.
Generic RDFa (Resource Description Framework in attributes) is RDFa without further specialization.
GoDaddy is an IT service provider, among others operating as SSL certificate authority. This includes ValiCert certificates, now operated by GoDaddy.
Google Analytics is a free service to get detailed statistics about the visitors of a website, provided by Google.
Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.
Level 3 Communications is a multinational telecommunications and Internet service provider headquartered in USA.
KT Corporation (formerly Korea Telecom and Hanguk Tongshins) is a South Korean telecommunication operator, also offering web hosting services.
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.
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