Ajax Web Hosting from A2 Hosting

What is Ajax?

Ajax stands for Asynchronous JavaScript and XML (Ajax). Ajax is a web development technique used to prevent the reloading of an entire page each time a web visitor performs a single action on the page. Instead, Ajax web development updates the web page immediately, increasing the site's performance and user experience. The goal of Ajax is to help web developers create faster and more robust pages by reducing the amount of unnecessary page loads. Webmasters also utilize fewer resources, thanks to Ajax, as it reduces data transfer requirements since small portions of the page are loaded, not entire pages.

How Does Ajax Work?

An entire web page is only loaded the first time it is visited when Ajax is in use. JavaScript files, known as the Ajax engine, are downloaded when a request is made to the page utilizing Ajax. The Ajax engine uses what is known as XMLHttpRequest, a procedure that handles data transfer requests between a web server and browser without refreshing the entire page. If the web visitor performs an action on the page, the request for data from the user's computer to the server is sent as JavaScript to the Ajax engine. The Ajax engine then requests the relevant, smaller pieces of information from the web server based on the web page visitor's request or action. Since only small "snippets" of data are being transferred, the page is a lot more responsive and ultimately works much faster because only the necessary portions of the page reloads, not the entire page.

AJAX is not limited to JavaScript; you can use any ECMAScript implementation such as Java Script or JScript within your XHTML (or HTML) and CSS pages to call upon your scripts using the XMLHttpRequest object. The JavaScript Document Object Model (DOM) allows you to easily modify your page content using data returned from your AJAX calls without reloading the page.

Ajax Webhosting Support From A2 Hosting

All of A2 Hosting's Shared, Reseller, VPS and Dedicated website hosting packages include Ajax, PHP, Ruby, Python and Perl support from the Guru Crew. Use Ajax in conjunction with your programs written in these powerful scripts, using the XMLhttpRequest object, to power your next-generation web interfaces and give your web visitors the high performing website presentation that they expect.

Example of Ajax in Use

A site that might use Ajax would be one that offers user reviews of web hosting companies. The site would allow web visitors to rate a particular web host company on a rating scale of 1 to 5 stars. The user would be able to highlight and then select the amount of stars for his review. After reviewing the company, Ajax would only load (update) the user's rating on the page, preventing the entire site from loading again, unnecessarily.

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