Ajax versus embedding data directly into the HTML code

Currently, my project involves a combination of JavaScript with jQuery and communication with a Django backend. Some aspects of the user interface require Ajax due to the fact that data to be sent is dependent on user input. On the other hand, there is certain data that is already available at template rendering time. What are the advantages and disadvantages of embedding this pre-known data directly in the template as opposed to utilizing Ajax? It appears that the former option could potentially simplify the process.

javascriptpythonajaxdjangoperformance

Answer №1

It is often best practice to include elements directly in most applications, but it's always important to consider each usage on a case-by-case basis. Keep in mind that the speed of page loading is not only a measurable statistic, but also a matter of user perception, especially when working with ajax functionality.

For example

When you have a large amount of data to display, including it directly on the page may give the impression of longer load times for the end user compared to bringing in the data gradually. This can be seen in Facebook's implementation where chunks of data are loaded as the user scrolls, serving as an alternative to traditional pagination methods.

Answer №2

For optimal page loading speed, it's best to include them directly rather than indirectly.

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