Problems and Mistakes When Developing With AJAX

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Problems and Mistakes When Developing With AJAX

Ajax is a powerful technology that allows you to coin websites with amazing functionality all without your users having to refresh the web page they’re on.
However, there do exist a few “bumps” on the road when trying to implement Ajax, and within this article we plan on exploiting the most common mistakes as well as […]

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Ajax is a powerful technology that allows you to coin websites with amazing functionality all without your users having to refresh the web page they’re on.

However, there do exist a few “bumps” on the road when trying to implement Ajax, and within this article we plan on exploiting the most common mistakes as well as solutions for them. This will create a much more usable environment for your users free from errors.


Visual Representation of Ajax Content Interacting

It is common for a users browser to not display any sort of visual cue that any form of Ajax is loading. This is why it’s imperative and good usability to implement a visual that will allow the user to know something is happening. You can use a visual swirl very similar to the ones used when a lightbox image is loading. Your users will appreciate it and you’ll enhance the way your website interacts with them.

Ajax Strictly for Online Use

With the evolution of the web and all of the technological advances we’re witnessing we sometimes seem to forget that not everyone has a steady and strong Internet connection. As you know Ajax purely interacts with JavaScript and XML which are technologies used online. This means that anyone without an Internet connection will more than likely fail at having the best experience possible on your website.

This isn’t exactly a problem, however, it does have a solution: Why not use other means of interaction with users such as SMS integration that will allow you to even reach a broader audience?

Complications With The Back Button

Everyone who’s ever developed a JavaScript application knows full and well that the back button (of your browser) does not “play” nice. In fact, web apps that rely heavily on JavaScript and do not implement a way to have content automatically reloaded if the user decides to use the back button can be seen as websites who practice bad usability. In return, users will be lost. This is why it’s important to not over use Ajax and rely on other technologies. Make sure there’s a balance of things.

Slower Web Pages

As we discussed above, it’s good to have a balance of things, especially when referencing to the use of Ajax. Ajax is a great way to develop interesting JavaScript applications, and this means that “behind closed doors” there’s more information that needs to be in place. The more information (code) your browser has to process, the more time it’ll take for your website to load.

This makes the statement that websites which rely heavily on Ajax will take a longer time to load valid. A solution to this would be to only use Ajax where needed, or if you have a lot of Ajax running on your site make sure your code is nice and tidy.

“Illiterate” Spiders

The problem here is that Ajax applications that need to load a large amount of text for the users to read make it extremely hard for search engines to pick up on this content. Therefore the content doesn’t get published where the site is indexed. Users that arrive at your site through search engines need the text of an application to be static in order for spiders to read it.

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  1. 15 Great Ajax Scripts for Web Development Web-developers can create amazing web-applications with AJAX. Modern web-applications can…
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