We live in a world where everything (businesses, classes and courses, investments, auctions and auctions, etc.) is slowly migrating to cyberspace and building a website for everything.

From real estate consultants to real estate agents, everyone has their own website. Of course, this is good news for web designers, SEOs, and digital marketers around the world. But as good as the news is, so is the growing competition.

Compete with more interactive, faster and better websites. This is competition, and in fact it is needed in all parts of the world. Users want a web design that is dynamic and fast.

In other words, users want Web Pages to execute user requests much faster and easier. It does not matter if the request is to find a place on the map or to register or log in to the account.

Therefore, web designers need technologies and techniques that meet the needs of users, every day more than yesterday. AJAX was created to help site designers in this way.

AJAX does not have a long life. But it can be said that it is a complex concept in programming and website design. Of course, AJAX  is not a programming language. AJAX is not a technology either. (Unfortunately, in many English web contents, AJAX has been mistakenly introduced as a technology or technology.)

Now that Ajax is neither a programming language nor a technology nor even a technique in the strict sense of the word, what is this Ajax after all? What exactly does it do? Why was it made? What are its advantages and disadvantages?

In this article, an attempt has been made to give accurate and correct answers to the above questions in simple language and using examples.

What is AJAX?

To understand Ajax, we must first explain how websites and web applications used to work and how Ajax has changed.

Every website or web app has two sides: Frontend and Backend. The front is the side where the user stands and everything he sees on the screen. Back-edn is the server side, behind the scenes; Where information and data are stored and where commands are executed.

When you enter a page and click on something or have a request, a command is sent to the backend. It has to be done backwards (the data is read and answered and then coded) and the result is transferred to the front page and shown to the user.

Various programming languages ​​(codes) and technologies are used to transfer information in this process. For example Java, JavaScript & PHP are written languages ​​and HTML, CSS, JQuery & JavaScript are written languages.

The same back-and-forth process takes time at a time, and even some requests and tasks that need to be done in the back need to be reloaded or refreshed.

Reloading the entire screen means interrupting the user’s interaction with the site, a time-consuming process, meaning the user notices something behind the scenes.

AJAX is used so that you do not have to reload the entire page to complete a request. As a result, there is no interruption in the user interaction with the page. In fact, some requests no longer require the simultaneous return of data.

Asynchronous JavaScript and XML stands for Asynchronous JavaScript and XML, which stands for AJAX. Therefore, Ajax transfers and receives information from the front to the server (back) without refreshing the entire page in front of the user.

Ajax does this by using a set of website design technologies. Ajax is not a standalone application. Ajax uses a set of 5 programming tools XMLHttpRequest, JavaScript, HTML, CSS & DOM.

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