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

Moment.js is a library to manipulate dates in JavaScript.

Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.

REG.RU is a Russian domain names registrar and web hosting provider.

REG.RU is a Russian domain names registrar and web hosting provider.

REG.RU is a Russian internet services provider.

REG.RU is a Russian internet services provider.

GlobalSign is an IT security service provider, also operating as SSL certificate authority.

The SSL certificate is invalid because it is not issued for the domain where it is used.

Yandex Libraries Hosting provides hosted JavaScript libraries, provided by Yandex.

Yandex.Metrica is a free web analytics system combining customizable reporting tools with behavioral analytics.

Top.Mail.Ru is a Russian web access counter service.

ClustrMaps is a visitor counter that shows visitor locations on a map.

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.

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 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.

HTTP/2 is the second major version of the HTTP network protocol.

Transitional version of HTML.

HTML5 is the fifth revision of the HTML standard.

Windows-1251 is an 8-bit character encoding, designed to cover languages that use the Cyrillic alphabet.

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.

JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.

GIF (Graphics Interchange Format) is a lossless compression image format, originally introduced by CompuServe and suitable to store graphics, logos and simple animations.

Scalable Vector Graphics (SVG) is an XML-based vector image format.

Russian Federation