Questions tagged [response-time]

the time it takes a UI to respond to an action by the user and the effect this has on UX.

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1answer
36 views

Disabling a modal dialog while waiting for the server

We're making a react web-app for business users We use a modal dialog for editing data. When the user clicks "save", the data get sent to the server. Usually, the server answers pretty fast (< 200 ...
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1answer
73 views

Is it acceptable to have users wait for their submission to be visible publicly?

If a user creates a new ad or updates an existing ad, it may take up to X minutes before the changes are publicly visible on the website (the user will be informed of this). For what values of X is ...
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1answer
76 views

Usage of skeleton in a search context

I was wondering if it was a good practice to use a skeleton in a context of search and filtering or is it better to only use it when the page is loading and use a spinner on the list while filtering ...
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1answer
81 views

Chat waiting time feedback

We have a Live Chat services but the problem is we don't have enough number of agents to answer all the inquiries of all customers. So customers really need to wait especially during peak hours. Our ...
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2answers
185 views

Lack of Agent feedback - Live Chat waiting time

What is your recommended solution for our Customer Service mobile app? We have a live chat that caters all the concerns of our customers but the problem is, we just have a limited number of agents ...
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3answers
236 views

Which UX guidelines exist for mobile app performance?

I'm doing the UX for an app that communicates with bluetooth devices. Unfortunately, all bluetooth traffic is routed through our cloud backend which occasionally makes the app slow. To deal with this ...
3
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1answer
79 views

Designing interactions and UI for synchronous action with long processing time [duplicate]

I have a synchronous process that is trigger by a user action and the process can take more than 10 minutes. While it's being processed, the previous UI that user triggered from and the previous data ...
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5answers
626 views

How long should the user wait before providing reassurance?

I have an application with user login. When a user logs in for the first time, I show them a screen similar to this while the login process completes: The user's access must be validated before they ...
2
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1answer
207 views

Why do elevators have the close doors button? [closed]

I think that the close doors button in an elevator does very little. If it works, it saves the person two seconds of their time. If time matters this much to people, why do people stand still on ...
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1answer
222 views

Combining Fitts' law with Hick's law

I'm working through a textbook and got stumped on this particular question: Use Hicks’ and Fitt’s Laws to derive an expression for the time for a user to select an item in a menu where b is the ...
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1answer
230 views

Affect of a Slow System to User Productivity

I am a consultant working with a company that has a user workflow that involves waiting about 12 minutes for the system to churn some data. That is, when a user needs to accomplish work item XYZ, the ...
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1answer
47 views

How to repurpose wait time?

Currently, I'm working on an application in which, at a certain point of time during verification, the user needs to wait for access confirmation from the admin. Till then s/he can do nothing with ...
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3answers
187 views

Best Practices for long waiting time

I am working on a SAAS project. When the user creates a campaign, the campaign is being created in 4 days. So is showing them a count down a good idea? and what else do you suggest? Please give me ...
55
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3answers
7k views

What are the pros and cons of using a branded preloader?

The product I'm currently working on is using a branded preloading icon with the company logo while different views and grids are being loaded. It seems to me that this is an unnecessary risk of ...
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2answers
128 views

Always show the expand button in a tree?

I have a complex client / server system to manage master data in the industry. Much of this data is represented by a deep tree structure. What is the best thing to do at this point? Always show the ...
10
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1answer
526 views

Is it possible for a web application to be *too* fast?

Note, I've seen: How fast is too fast?, and What to do when loading is TOO fast? so I want to clarify the non-duplicity: I'm not asking about the animations, but more or less about the application in ...
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4answers
130 views

How to estimate the time needed to read a question?

I have to prepare an online survey. Most of the questions will be along the line of: Which of the following sentences exists in 'X' book? A B C D I would like to limit cheating ...
4
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1answer
569 views

Is it okay to put a minimum delay on UI changes?

I’ve been writing mobile and web applications for a while. I mainly use async tasks, two way data binding etc. I’m updating / changing UI as data arrives from server or internal services. I have a ...
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3answers
97 views

Adding Unneccessary Wait Dialog

I have a scenario in which the user goes through the steps of an installer. One of the steps is to setup the options for the program. The actual saving takes fractions of a second, however it may not ...
4
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2answers
359 views

Should a flash of unstyled content (FOUC) be addressed by hiding everything until it all can be displayed with styles?

Flash of unstyled content: You load the content of a web page. You load the styles of a web page. In the time period after (1) but before (2), the content is being displayed without its proper ...
55
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15answers
14k views

How to tell the users about a unpredictably long process?

I create a website where a user needs to to fill in a form. After that the form starts to call an API with this input. Unfortunately the API response is very slow and sometimes user has to wait about ...
2
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2answers
69 views

How to make waiting time when connecting to a conference better for the user?

We have a part of our app where in the user has paid for a consultation and is then presented with a button to connect to the consultant. As in below: When the user clicks on this button, the ...
2
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1answer
2k views

Do top, or left aligned field labels perform better at form completion?

I have designed these two forms and would like to know which would be more effective at conversion i.e form filling up. Here's the first one which I feel is more effective reason being the separate ...
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8answers
11k views

Should a “loading” text or spinner stay a minimum time on screen?

In an app I'm building the user can click a button to load more content, which might take 1 second or up to X seconds (when X seconds passed I show a timeout error message). There is a "Loading" text (...
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2answers
816 views

Live search response time

I'm looking for research around acceptable response time for a live search feature that I can provide to my back-end team. Some definitions: live search: results are automatically refined as the ...
4
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4answers
5k views

Why do some automated phone systems use a typing sound effect?

Sometimes when I call a company's customer service phone number, an automated phone system answers. These systems will ask me questions to identify the type of information I am seeking, the type of ...
170
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8answers
20k views

At what point does a user lose trust in a Busy Spinner?

The first scenario is an action that could take roughly 2–5 seconds to execute once the user has pressed a button. A Busy Spinner will be displayed in the button until the process has been ...
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2answers
2k views

How to use “Greeked Text” —or fake content— to reduce anxiety in cases of long loading times

In cases where loading times are too long (more than a minute) does showing fake content or content placeholders while the application is loading data help reduce anxiety? I've only seen this in ...
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1answer
89 views

Who invented RAIL

Since April 2015 I have been seeing a lot of references to the RAIL concept (Response Animation Idle Load) being made on blogs and in conferences as a way of evaluating the performance of user ...
2
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4answers
136 views

Calculating tasks response time with paper-prototypes?

I am conducting paper-prototype testing and manage to collect data about completion rates and satisfaction scores. However, I am finding it difficult to calculate the task times. Is there another ...
23
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5answers
2k views

Are Germans a different kind of human?

My title is facetious, but my question is serious: I'm being told by a client's business-analyst team that Germans WANT to read every detail on a website and WANT to read every word in a contract—...
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2answers
2k views

Why is form submit preferred over AJAX for login forms?

Google, Facebook, Twitter, Amazon, and Stack Overflow, among many others, use form submits with full page reloads instead of AJAX on their login forms. I saw this question (When should I use AJAX to ...
4
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3answers
2k views

Examples/Opinions on using (Facebook-style) placeholder/dummy content during wait/spinner processes?

I've read some articles recently touting Facebook's use of dummy content and text and image placeholders during load processes, stating that using a spinner wheel w/messaging alone can increase bounce ...
2
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2answers
321 views

Number of items in skeleton loader

I have a list of users. When the list is first loaded a skeleton list is presented, so that the user will experience a (perceived) performance boost: https://github.com/ksux/ks-design-guide/issues/38 ...
5
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9answers
1k views

On adding fake delay, to, network delays

Consider an app, where there's a function (perhaps a button, or, when you hit return to send some text, for example). It results in a network connection, and there will be a small delay while the ...
15
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6answers
8k views

What's the longest acceptable delay before an interaction starts to feel unnatural/requires an error message?

We have a scenario where we need to call an API so that the user can draw something on the screen. The following scenarios are possible: API call goes quickly and is successful: user draws a new ...
37
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6answers
10k views

Progress bar completing too quickly

I have a progress bar that takes place after a user uploads a file while the backend is running some processes. It looks like a standard progress bar that fills as the processing completes, like so: ...
0
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1answer
106 views

Mocks size for Responsive website

we are developing a Parallax website to present our product. The Website should be accessible from any device (Mobile, Tablet and PC) and we are considering to work with 3 different layouts. Standard ...
9
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1answer
1k views

Best practice on Web Chat “please wait” messaging

We are currently integrating a web chat functionality on a utilities website, where customers can query their bill, or changing plans etc. with their electricity bills. (this will be available to all ...
4
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1answer
402 views

Can we quantify how much latency affects user performance?

Our company has a field office that is dealing with high latency and low bandwidth issues when working with our document management system. I've been asked by the users in that office to solve this ...
9
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5answers
28k views

Progressive vs. Optimized jpegs

I know that progressive jpegs download in multiple passes, and optimized are smaller (and thus faster to finish downloading), but does anyone have any hard data or best practices on which type users ...
1
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1answer
136 views

How can I pictorially show an option is unavailable for a time?

I have an option (a single button) in the settings, that won't be avaliable for the user for about 2 weeks. I have considered a number of options: Leave it out - make it suddenly appear Keep it ...
14
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2answers
2k views

Wait/load indicator: Use built in browser functionality or display a custom indicator?

We have a bit of a discussion regarding the use of wait/load indicators in a project I am working on. The scenario: A click on an "open document" link possibly leads to a 2-5 second wait before the ...
1
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5answers
89 views

How do I find out which one of two different ways of loading my website gives best perceived performance for the users?

We have a rather heavy content website with about 400 000 unique daily users. The company has always focused on loading time, since we know this is important to our users, but I really want a shift in ...
1
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3answers
186 views

Lazy context menus

I manage a large Windows desktop application, which is the 'back office' of an EPOS system. There are many screens which allow the user to search through collections of objects, for example orders or ...
2
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1answer
141 views

Studies on image compression level and UX?

Recently, there has been an influx of data showing that sites improving the site performance saw a lift in conversion. For example, an in-house Walmart.com study found that, for every one second of ...
2
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2answers
260 views

Studies done on constant page load times

Scenario: Fastest page on your site loads in 300ms. Slowest is 1,500ms. Have there been any studies on artificially slowing down the fast pages to match your slowest page? So that every single click ...
3
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3answers
125 views

What is the concept of a brief period before providing a signal called?

This question is illustrated by my personification of 3 microwave ovens: Microwave 1 is rude. It beeps when time expires and keeps beeping even after I open the door. It also beeps to cancel settings ...
3
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2answers
204 views

Deciding on minimum performance

I work at a remote site for a multinational company. I am doing a software implementation that is having some major user experience issues due to very poor network performance. Our load times are so ...
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2answers
156 views

How long should my website wait before auto-suggesting possible choices?

We have an app that autosuggests various possible options based on a database query. For example if a user types 'Steve', it will find all Steves and allow them to choose the correct one. It looks ...