Metadata or supplemental data consists of information like the geographic location, IP address, browser languages like English, Chinese, German, etc., and also information about domain extension like .edu, .gov, .mil, etc., internet connection speed, operating system, search keyword or sentence, referring URL and screen resolution.
Graphical location tells about the approximate address of the visitor. By this information, the server can search and display information which is specific for the people of that location. Information like climate, temperature, local happening, and time can be displayed accurately.
IP address or Internet protocol address gives idea of the specific Internet service, company the person is related to. If belonging to an Internet provider the web page displays the speed of the connection and if related to a specific company the website displays the name and logo of the company.
A web page can be formatted in different languages. By analyzing the browser language, the visitor can be can be served with a web page which is easy for him to understand and the visitor is made to feel that the website is centered on his mother tongue which will make him more comfortable.
Different organizations and different sectors have different domain extensions. A website with a .gov extension means that its a government website and a website with .edu extension refers to an educational organization. So the content of the webpage can be changed according to the organization the visitor is related to.
Depending on the Internet connection speed if there are any multimedia downloads the size of downloads can also be managed. There will be different resolution versions of a particular download and if the speed is low, multimedia with the lowest resolution will be downloaded to the visitor's temporary Internet files. This will not interrupt the normal working of the computer.
Different operating systems have different requirements and their functionality also varies. Some websites provide downloadable software and updates which will not be compatible with all kinds of operating systems. These limitations can be determined without interrupting the user.
Search keyword or sentence can be utilized to apply search engine optimization techniques or SEO techniques to the website to make the matter more relevant. Linking data to a specific keyword, which is displayed automatically making the visitor feel that his query was dealt with effectively, does this.
Referring URL helps the sponsor to compare data with that of the previous page and bring it on the present page. This increases the competition between the websites, the present website will try to prove to be better than the previous website.
If the visitor is surfing the Internet with his hand held device or mobile, the content of the website is trimmed to fit the screen resolution of the device. If the amount of data that is viewed on a normal monitor is displayed over the hand held device, the data will overlap with each other and the content won't be readable.