LiveInternet - крупный сервис дневников и сообществ, авторитетный сервис статистики для сайтов.
This site uses the viewport meta tag which means the content may be optimized for mobile content.
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.
Website using the € symbol on their website - meaning it may accept payment in Euros.
PayPal is a American international e-commerce service that enables companies and individuals to send money and to accept payments without revealing any financial details.
Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
By adding rel="home" to a hyperlink, a page indicates that the destination of that hyperlink is the homepage of the site in which the current page appears.
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".