Microsoft-IIS 10.0

   Internet Information Services (IIS, formerly Internet Information Server) is an extensible web server created by Microsoft for use with the Windows NT family.

SPF

   The Sender Policy Framework (SPF) is an email-authentication technique which is used to prevent spammers from sending messages on behalf of your domain. With SPF an organisation can publish authorized mail servers.

Viewport - Width

   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.

Viewport - initial-scale

   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.

Viewport - Mobile compatible

   The viewport is the user`s visible area of a web page. The viewport varies with the device, and will be smaller on a mobile phone than on a computer screen. Before tablets and mobile phones, web pages were designed only for computer screens, and it was common for web pages to have a static design and a fixed size.

English - Language

   this website is using English as a language parameter

ASP.NET

   ASP.NET is an open-source server-side web application framework designed for web development to produce dynamic web pages.

PHP 7.3.6

   PHP: Hypertext Preprocessor is a general-purpose programming language originally designed for web development.

Character Encoding :UTF-8

   This website is using UTF-8 character encoding in HTML , character encoding is used to represent a repertoire of characters by some kind of encoding system.

Meta Description

   A meta description is a 160-character snippet, a meta tag in HTML, that summarizes a page`s content. this website is having meta description of the following : Animated math tutorials

Meta keywords

   Meta keywords are types of meta tags in the HTML source code of a webpage. They describe the content of a website shortly and concisely,this website is using the following keywords: mathematics, math, education, tutorial, animated, pre-algebra, algebra, topology, infinite series, natural numbers, whole numbers, integers, rational numbers, binary, hexadecimal, hex, octal, commutative property, associative property, sets, interval notation, domain, range, Cartesian, coordinates, graph, equation, variable