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All about Ajax Development

Before AJAX, interactivity on web pages was laborious, slow and clunky. A user interaction required an updated version of the page to be generated on the server, sent to the browser and rendered there. Even a small change resulted in a full new page. This was wasteful of server resources, and provided for a very poor user experience

Ajax development changed all of this, by sending data and then receiving just the result for the interaction that triggered by it in order to update the relevant parts of the page.

Here are some of the main advantages that Ajax brings:

• Speed; reduces server traffic and the asynchronous nature ensures browser waiting times are minimal

• Interaction; small data transfers create for a more responsive experience

• Form validation; instant validation, done properly

• Bandwidth; extremely efficient, as no requirement to reload whole pages

Ajax Development, areas to consider:

As with all development languages, there are areas that may be seen as disadvantages, in terms of Ajax these include

• It may increase development and design time, and increase code complexity

• Ajax indexing for search is more challenging

• JavaScript must be enabled on browsers

• Additional security considerations and constraints that must be considered, on the server-side Ajax is similar to regular web applications, on the client side, however, the JS code is more visible

Ajax Development, how Google have embraced Ajax:

Ajax is a very popular development language amongst brands, sites and applications that have adopted Ajax development as part of their development ecosystem. Google utilise Ajax in a number of ways, and specifically for 2 of their most accessed services:

Google Maps, a web mapping service developed by Google. It offers satellite imagery, street maps, panoramic street views and route planning. Ajax is utilised within the UI.

Gmail, a free email service provider by Google. As of 2016, it was the most widely used web-based email provider with over 1 billion active users.