Dynamic Website Development
Usually, a Dynamic web page provides different content every time it is viewed. A Web page displaying current news or events is an example of a dynamic Web page. Another example of a dynamic Web page is the Login module of a website. When a user clicks the Login button, the Web server verifies the user credentials entered in the username and password fields, and provides access only if the credentials are found to be correct. In case of wrong information, an error message is displayed. The entire process of verification occurs dynamically. There are a number of Web Design Companies in India that provids Dynamic Web Development Solutions.
When a user requests a dynamic Web page, the Web browser uses HTTP to send that request to the Web server. The server processes this request with the help of an application server, which executes the script (piece of code) to access the server-side resources. Then the Web server generates an appropriate response in the form of an HTML document and sends it back to the Web browser.
Some common Web technologies used to develop a dynamic website are Dynamic Hypertext Markup Language (DHTML), Java, PHP, JavaScript and ASP.NET. DHTML, with the help of JavaScript and CSS, creates dynamic Web pages. JavaScript provides scripting and validation features for dynamic website design, while CSS provides the styling. With the help of DHTML, a programmer can develop dynamic web project. DHTML also allows a user to change the content of a Web page through events, such as clicking a button and changing the time and date.
Advantage of Dynamic Website Development
- Fully functional website
- Easier to maintain and update the matters
- User specific web pages
Disadvantage
- Expensive in development cost
- Slower development work
- Costly as compared to static website
In Web applications, postback model is used to refresh the content of a web page. When a user clicks a button on a Web page or refreshes the content of the page, the whole web page is posted to the server for possessing. The server processes the page and sends back to the user. When we do not need to refresh the entire page this process increases unnecessary load on the server. The process of refreshing whole page also reduces responsiveness of web pages. Websites that use postback model take more time to load in browsers.
To remove these shortcomings of dynamic website development, the AJAX technology has been developed. AJAX is an acronym of Asynchronous JavaScript and XHTM. It is used for complete dynamic web solutions. The AJAX technology is based on Asynchronous call that means two or more processes can simultaneously run without affecting each other. For example, in Gmail, you can browse a file to attach document and continue writing text message. The process of attaching document file runs in the background without affecting the process of writing text.
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