How to make your app seem faster than it is

Speed is an important component of any website or web app. There are many things that developers can do on the programming side to make things move faster. However, there are also things we as designers – and user experience designers in particular – can do to make things seem like they are faster.

For example, we can make the buttons we design respond as quickly as possible. There is a 300ms delay built into each button used on a website or app via HTML in the browser. Simply making the button appear depressed when a user presses it or clicks on it gives them the perception that they've interacted with it and kicked off the process.

The asynchronous UI

There are also deeper, functional things to consider, like employing asynchronous UI plumbing via a framework or other form of development approach. Basic concepts of an asynchronous UI include moving the state and view rendering of a screen layout to the client side or browser, instead of relying on server-side coding, and things like preloading data onto a page and using JavaScript to manipulate it.

For frontend developers and designers there are tons of ways to make something look or react faster, without digging deep into the server-side code. We have to be smart about how we design our interactions and the other pieces of a website or app that affect the user’s sense of speed. We want to create a sense of flow or response, and keep the end user's perceptions in mind.

01. Facebook


Smart work by Facebook

When you open the Facebook app on your iPhone, temporary images load in your feed to tell users that stuff is coming and the application is working.

02. WordPress


WordPress: giving feedback

An example of the 300ms button improvement: in WordPress, when you depress the 'Publish' button it changes to a darker shade of blue, giving users feedback that it has been activated.

03. Instagram


Instagram: working ahead

Instagram is the master of working ahead of the user, employing many techniques to make its UI appear faster. It's worth a study.

Words: Gene Crawford

This article originally appeared in issue 268 of net magazine.

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