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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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What is the best way to display large images?

Currently, my site creates a small thumbnail for each image. If the user clicks on a thumbnail, they are shown the full version of the image in a new tab. Some pages can contain multiple images that ...
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0 votes
0 answers
64 views

Difference between measurement performance for mobile app and web platform

Searching for specific information about how ensure a good UX concerning performance measurements for web platforms and mobile apps. I find recurrently as quoted sources about this topic : Response ...
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0 votes
0 answers
42 views

How to avoid performance issues in user-customizable dashboards by limiting in some way the amount of information being displayed

I work for a Product that allows users to create customs dashboards. They have the possibility to create 1-25 custom charts and the available chart types are indicators, columns, bars, area, pie, and ...
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2 votes
1 answer
49 views

How to handle responses from a slow external service?

I have an interface for data processing (standard CRUD). I'm going to connect a new action which will send a set of URLs to a linkchecking service. These sets can be between 50 and 20,000 URLs and as ...
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  • 331
2 votes
1 answer
59 views

Limit number of elements/boards on the premium account for performance reasons

I'm working on an app in which you can create an endless number of dashboards with (so far) an endless number of reports in them. Considering performance, we came up with the idea to limit the number ...
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  • 43
6 votes
3 answers
334 views

Admin interface - use of "Please be patient"

In a recent update to one of our Admin interfaces (1 user), we added the following warning at the top, to remind the user that once they press the button, it can take several minutes to complete, and ...
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  • 185
3 votes
2 answers
164 views

Skeleton screens - do we display them in case of lack of content or lower amount of content than suggested in skeleton screens lay out?

Currently, we add skeleton screens with a progress bar while the page is loading with data (in a data-driven platform). I'm wondering what to do in the case where after loading for some time, no data ...
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1 vote
1 answer
69 views

Is a repetitive, three seconds response time the absolute worst?

My very first IT manager back in the 90s once stated that the absolute worst repetitive response time an application can have is three seconds. His argument was that this is long enough to be a ...
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  • 370
21 votes
4 answers
8k views

How to let users know that updates are not real time

I'm working on a food ordering mobile website. After ordering the meal, the preparation progress screen that aims to give users a rough estimate on what time their meal will be ready. Due to technical ...
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13 votes
3 answers
2k views

How to understand the technical issues while designing?

For instance, I have two designs Design A like miller columns: Better experience, clear view, no training needed, can play however users want. Design B like stacked layer or tree view: Best ...
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  • 141
1 vote
1 answer
50 views

What's a reasonable amount of time to wait for an SMS?

We have a form where mobile users submit their mobile number to receive an SMS with a PIN, which they have to use as confirmation in an online form. The PIN expires in a few minutes, so a user can ...
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  • 1,166
2 votes
1 answer
176 views

Should I tell the user how much time a process took?

My project has some database queries and it may take a time. Should I display the time taken of a query to the user after the query ends? EDIT This project is an industry software. Users may or may ...
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0 votes
2 answers
2k views

What is the maximum acceptable time a login should take?

Logging into our app takes 15 - 20 seconds, depending on how much the user has access to. Some of this time is purposeful - the login endpoint itself has a minimum time to response of 2 seconds to ...
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  • 3,124
2 votes
4 answers
1k views

"Click here if you are not redirected automatically"

After the users have filled in a form, they hit submit. There are a lot of things happening behind the scenes the users won't see, so we send them to a page that says: Click here if you are not ...
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  • 461
1 vote
1 answer
260 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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0 votes
1 answer
80 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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  • 339
0 votes
1 answer
117 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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0 votes
1 answer
254 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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  • 11
1 vote
2 answers
300 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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  • 11
4 votes
3 answers
415 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 ...
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  • 2,675
3 votes
1 answer
424 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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  • 71
6 votes
4 answers
1k 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 ...
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2 votes
1 answer
274 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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  • 121
2 votes
1 answer
421 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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1 vote
1 answer
264 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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0 votes
1 answer
57 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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-1 votes
3 answers
361 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 ...
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  • 159
56 votes
3 answers
9k 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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1 vote
2 answers
160 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 ...
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11 votes
1 answer
775 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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2 votes
4 answers
223 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 as much as possible. ...
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4 votes
1 answer
951 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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  • 159
0 votes
3 answers
99 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 ...
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  • 221
4 votes
2 answers
409 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 ...
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57 votes
15 answers
17k 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 ...
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  • 677
2 votes
2 answers
80 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 ...
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  • 4,188
4 votes
1 answer
3k 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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  • 43
22 votes
8 answers
18k 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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1 vote
2 answers
2k 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 user ...
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4 votes
4 answers
10k 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 ...
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173 votes
8 answers
21k 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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  • 1,553
18 votes
2 answers
3k 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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  • 183
2 votes
1 answer
97 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 ...
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  • 1,151
2 votes
4 answers
184 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 ...
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23 votes
5 answers
3k 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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  • 6,366
5 votes
2 answers
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 ...
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  • 153
4 votes
3 answers
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 ...
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  • 319
2 votes
2 answers
964 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 ...
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6 votes
9 answers
2k 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 ...
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  • 1,133
15 votes
6 answers
9k 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 ...
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