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Site Info - Alt-spektr.ru
Overview of web technologies used by Alt-spektr.ru.
Строительно-монтажная компания Спектр
automatic translation provided by Microsoft
Construction company Spectrum
Description on Homepage
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.
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.
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.
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 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 use SSL encryption, e.g. from http://example.com/ to https://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.
IdenTrust is a SSL certificate authority.
Yandex.Metrica is a Russian web analytics service.
Nginx (pronounced as "engine X") is a lightweight open source web server developed by Igor Sysoev.
TimeWeb is a Russian web hosting provider.
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