Example: space has decimal code 32, in hex – 20, so space in URL becomes %20.

All other characters are escaped with the formula:.

“Only alphanumeric, the special characters $-_.+!*’() and reserved characters used for their reserved purposes may be used unencoded within an URL.”.

Name of the server or IP address + optional port (e.g.

Protocol for communicating with the server (e.g., http, ftp, https.It is just a formatted string, consisting of:.The HTTP protocol is fundamental for WWW.The entire WWW system runs over standard networking protocols.HTML pages contain hyperlinks to other pages.Browsers shows the text, graphics, sounds, etc.Pages are in HTML (Hyper Text Markup Language).Client’s browser renders Web pages returned by the Web servers.HTML text, graphics, animations and other files.Servers send the requested resource as a response.Clients use Web browser application to request resources from the Web servers via HTTP.Web servers – IIS, Apache, Tomcat, GWS, etc.Clients (Web browsers) – display Web content.

Internet – provides data transfer channels over the TCP and HTTP protocols.

Accessed through standard protocols like HTTP, HTTPS and FTP by their URL.

Consists of set of documents (and other resources) located on different Internet servers.

A service in Internet (like E-mail, DNS.

Global distributed information system in Internet.

Web Developer Tools are software applications used by developers to debug and optimize web applications. Workarounds for the Same-Origin Policy include using JSONP or cross-origin resource sharing (CORS). The Same-Origin Policy is a security measure that prevents web pages from accessing resources on a different domain. AJAX requests are asynchronous HTTP requests used to dynamically update web pages without requiring a full page refresh. HTTP requests are used by clients to request resources from a server, while HTTP responses are used by servers to send requested resources back to clients. The Hypertext Transfer Protocol (HTTP) is used to transfer data over the internet between web clients and servers. JSONP is a method for cross-domain AJAX requests. JSON is commonly used for data transfer between a server and a web application, while RSS is a web feed format used to publish frequently updated content. HTML is primarily used for web pages, while XML is more flexible and used for data exchange. The World Wide Web (HTML, XML, JSON, RSS, and JSONP are different data formats used for exchanging information over the internet.

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