Update:
I deleted my motivation because it seems to distract readers. This is not about "why don't you make your window smaller". See the screenshots and you will see obstructed text because of fixed width. See my reference to "em/ex" notation in CSS. I would like to have a real discussion here. Thank you.
Now I would like to ask real experts on this topic -- I'm not a web designer -- why fixed width layout are still that popular and if there are really good reasons for it. (you are welcome to point out reasons against it as well.)
Is it too hard to design your layout relatively (from start on)? It seems some people even forgot how to do it.
Do you have real reasons like readability and just don't know how to deal with it correctly? Here I'm referring to pieces of wisdom, like it's harder to read longer lines (that's why newspapers use columns) -- but then, width should be given using em and ex.
Are you forced by some old guidelines? In the dark old age of HTML, people did a lot of things wrong; now everybody finally uses CSS, but perhaps this one just sticked.
Or are you like me, wondering why everybody is doing it "wrong"?
To illustrate the issue, I want to give screenshots of negative examples first:
StackOverflow (here I can't even see what would make it any hard to fix it)
Filmstarts (a german website which renders itself unreadable-if I don't take a reading-glass with me)
And here is a positive example. It looks like a typical fixed with site (even with transparent borders), but it is not:
Website on Wiki software -- associated Forums
What do you think?
Update: Related questions: this one and that one.
And here, as expected, comes the usual canard: “long lines are too hard to read”.
[Citation needed], folks.
See http://webusability.com/article_line_length_12_2002.htm for a summary of actual research in this area. A number of these, plus http://psychology.wichita.edu/surl/usabilitynews/72/LineLength.asp, find that although users express a preference for moderate line lengths, reading speeds do not sharply drop off with ‘long’ lines; in fact many show increased speeds with the longer settings.
As long as it's not ridiculously long, and taking care to use a decent amount of leading, long lines are not generally a real issue at today's typical browser widths and default font sizes. (If you're one of those designers that loves to use teeny-tiny type for everything, it could be an issue, but then you're already making it impossible to read with the flyspeck text. Stop it!)
So as it's only an option of user preference that prefers medium-short lines, let us users decide how much screen space we want to give the web site to get our work done. We're the ones best-equipped to know. If you decide you know definitively best you're likely to waste space, or, if you guessed too long, make us scroll back and forth sideways to read the text — and that really is a readability nightmare.
If you want to protect us from ourselves, you can compromise by specifying a min-width and max-width in ‘em’ units so that the page is responsive to liquid layout, but doesn't get stretched to extremes.
But otherwise, the best reason to design fixed-width is indeed that it is easier, especially for someone with a fixed-2D-grid view of the world and static visual-design tools like Photoshop.
It's already a pain to make a website that renders correctly across all popular browsers; if you also want it to render correctly at all text sizes, it's quite a lot of work. A lot of web developers design their sites for the default font size and try to support fonts that are either a little bit larger or a little bit smaller. (You might be interested in this dated but relevant piece from Jakob Nielsen.)
As for fixed-width sites, it's hard to say. Personally, I suspect that a lot of web designers just like to feel like they have a lot of control over their look and feel, and think the site looks "ugly" when you stretch it too far, so they don't let you do it. Probably not wise, but there you go.
Now I would like to ask real experts
on this topic -- I'm not a web
designer -- why fixed width layout are
still that popular and if there are
really good reasons for it.
Ah, both subjective and argumentative. I'm sure my argument won't convince you, but here's one really good reason, IMHO:
Presentation.
Just like a movie, the director has an experience in mind for the viewer. They frame the movie just so. They move the action at a given pace for the emotion they are trying to invoke in the viewer. Even though DVDs have had the "angle" feature since inception, few movies have ever given viewers the opportunity to watch the film from a different point of view, and if they have that viewpoint was still under the control of the director.
Now, any old sap can throw up a website, and for the most part they aren't interested in anything more than the content.
But real designers fully understand that the design must be understood as a whole. A wide layout has a very different impact on people than a multicolumn or thin layout. Reader eyes move in a certain pattern, and the text is intended to pull the reader along a path.
Those who claim that every layout should have certain features are shortsighted. There are no universally true 'rules', and trying to make an expanding layout a rule is shortsighted at best, and arrogant at worst.
-Adam
Here are my $0.02 and they are worth exactly what you paid for them (and if that's not a perfect example of the current economic situation... :-))
The layout of a website should be dictated by the overall user experience. This is in part determined by the accessibility, in part by the design, in part by the functionality:
Accessibility - as several people pointed out, letting the website use the full width of the browser without any control can result in quite a long lines that make it hard to read[1]. Making the text automatically layout in multiple columns is a potential answer to this problem, but it's really hard to achieve with CSS (that's gotta be the worst tool for doing layout humanity ever devised, but that's a separate topic) and is fraught with other issues as well.
I should note that you do have a point - most websites with fixed width do suck on high-DPI because they don't take into account the changed font size. However, that's not an inherent problem of the fixed width design; I've seen it with fluid designs as well.
[1] No, I don't have a citation. I, however, have tried reading on full-screen on my 24" 1920x1200 96dpi [2] and gotta tell you - after 15 minutes my neck is cramping from the constant turning of my head.
[2] The typical user still runs 1024x768 or 1280x1024 (based on instrumentation from the product I work on, with about little bit less than 10mln installs for the latest version). So yeah, I am not the typical user.
Design - most modern designs are very rich on graphical and video elements. Most graphical elements do not scale well with the document reflow and video does not scale at all. (I would again blame this on CSS - it's support for dynamic resizing of images is lacking some basic operations and there is aboslutely no support for building and control of the visual tree. But I digress again :-)) As such, disegners opt in for the easier approach.
Functionality - fluid layout is really good for dealing with big text chunks like documents. However, quite a few modern websites are in effect applications, not documents. They have multiple elements and controls and increasing the area on which these elements are scatered makes it harder for the user to keep all of them in focus.
Couple examples:
two control groups that are aligned at the left and the right end will be too far away from each other in full-screen width. Note: that can be alleviated by choosing to always keep all the controls grouped together, like most desktop applications do (almost all desktop apps keep all toolbars left-aligned).
a picture/video and associated text below it. On full screen there are two possible approaches for fluid layout:
a) scale the picture to the full width, at which point the text is visually lost
b) leave the picture the same width, but let the text flow the full width, at which point the picture is visually lost.
I guess my point is that the fluid layout is not the Holy Grail of all layouts and there are scenarios where it's not applicable. The designer and the developer of the webapp should choose the appropriate layout and implement it so that it meets the needs of the target users, delivers the best experience of the product functionality and adapts to the user environment.
I suspect that most web developers go for fixed width because it's by far easier to develop such a site (in addition, many Content Management Systems only offer a fixed-width layout).
Getting a dynamic layout to work well & correctly in different browsers is more tricky - but it is definity doable (I'm just recently working on that issue ;-).
And I do agree with you - I want web pages that dynamically adjust their contents to the browser size that I as the 'customer' like to work with (whether that's small or large). I don't like to be patronized into "not using my browser in full-screen mode" or anything the like...
You might try zooming in. Most modern browsers will zoom the whole page by default, not just the text. This preserves the page layout and uses more of your screen. Usually the shortcut is ctrl + + and ctrl + -. It works well on my laptop, at least
[Forget my mention of the windowmanagement, it wasnt on topic]
I currently run a big internet-community and we'll switch to fixed-width (for 1024px) design asap because we only get problems currently using a dynamic-width-layout: You cant rely on anything, and (the biggest problem imho) text gets to long, so there are only a few lines but the lines themself are much to long to overview.
Readability and Predictability
You need to know how things will be displayed to be sure it will be readable and pleasant to the eyes. By using a fixed width, you know exactly (almost exactly because of cross-browser support) what your users will see.
However fixed-width designs would be a thing from the past if browsers could support correctly exactly 2 CSS properties:
min-width
max-width
That would allow designers to design web sites that would be flexible and predictable. No more surprises and users can use whatever resolution they want.
In my experience, it is for two reasons:
1) Speed - it is generally faster to write a web page in fixed with, rather than trying to write one that resizes correctly at more than a small number of resolutions.
2) The designer of the web site isn't the ultimate approver of what goes into production - if you try to work with a flow instead of fixed layout you get questions about why it looks different on Sallys' PC vs the Big bosses, and why can't you move this over to here, etc, which are easier to fix by moving to a fixed layout.
Tabbed Browsers
Since I use a tabbed browser for day to day use, resizing my window every time I switch tabs is actually a bit of a hassle. I have the window set to the maximum usable width for my purposes, and to accommodate the "largest" tab that is open. For the remaining tabs, having fluid layouts is actually kind of annoying and distracting. Items and text jump around and change position depending on how I may have resized my window for another tab. Also, fluid layouts result in uncomfortably wide blocks of short (vertically) text.
For me, it's a lot easier as a reader to keep my eyes tracking properly on narrower blocks of text with lots of vertical scroll, and it's much easier when sites I'm familiar with stay the same size so that the layout and positioning is predictable, regardless of what I've done to my window to accommodate other tabs. I actually used to be a big fan of fluid layouts, but I find more and more that I prefer fixed layouts now that I use a tabbed browser.
I think the question shouldn't be "Why would you choose a fixed-width design?" it should be "why wouldn't you?"
Firstly, you need to cater for the lowest-common denominator. Many developers will be running on screens with resolutions like 1680x1050, 1920x1200 and 1280x1024. Some users will be using 1024x768, which I personally consider the lowest resolution you need to cater for (thank God it's not 800x600 anymore). If you fix the width to 960-1000 pixels then you don't run the problem of developers unintentionally making pages that can't be viewed without scrolling on a monitor with less than 1600 pixels (wide). Believe me it happens.
Layout on any non-trivial Webpage is hard. Throw in cross-browser support such that your page not only works but looks reasonably consistent and it's a huge problem. Now try to throw in variable width and it just gets that much worse if not impossible. Look at the payoff too: who is it going to benefit? A small minority of users that have high resolutions and actually want to stretch that content across the entire screen. I have a widescreen monitor and I won't maximize my browser for instance. Many people are like me in this respect.
Consider another problem: CSS. CSS s good for many things but is a royal pain in many others. For one thing. Now browser box model differences aside, there are still many quirks with how different browsers handle CSS and even if there weren't there are many trivial things CSS can't do and the only workaround is to do things by pixel.
As a concrete example, I'm doing some tables at the moment that are bursting at the seams. I'm reloading the contents with an Ajax call and replacing the contents. Now I at first tried to fix the widths of the columns with percentages. Doing it this way would be a prerequisite for not fixing the width. Firefox treated those as a suggestion and would resize them anyway even when it arguably didn't have to. I didn't get satisfactory results until I fixed the widths in pixels.
At the end of the day no website really cares if it stretches across 1600 pixels or not. That's what it comes down to.
I've worked with a lot of artists. They design a layout to be pleasing and clear. They want the presentation to match what they designed. Artist-driven design leads to fixed-width. For brochure sites, fixed width makes a lot of sense.
For sites with rapidly-changing content (news or shopping, or most anything driven by a CMS), I much prefer fluid, full-screen designs.
One of the biggest concerns that fixing the width of a website solves is readability. If you let a site be arbitrarily wide and have a block of text using that entire width, it becomes very difficult for people to read. If you make the font size bigger to compensate, then you destroy the experience for people with smaller screens.
On the other hand, if your content is visual or modular and you can make it fill up the page more intelligently, you might have a case for a totally fluid layout.
But I agree with the others who question why you would maximize a browser on such a big display. Why not make your browser window smaller? You'll be more productive and you'll stop worrying about it at the same time.
Many browsers do a better job of scaling websites to be larger than they used to; Firefox 3, at least, grows the entire page when you zoom in, not breaking the layout.
If you want it to take up more screen real estate, use a lower resolution. This can be useful if you're displaying a website on a large monitor up on a wall for public view. Otherwise, take #theomega's advice and use the rest of your screen for other windows.
As for a little (of the very little) of what I know about web design and fixed width sites:
They tend to make good use of white space and draw your focus down the page. Cluttering up the page by cramming every last corner with content is what designers call "visual intimidation." It's difficult to figure out what's important versus what's not.
They feel more "finished", like a picture in a frame instead of like a photo print thumb-tacked up on a cork board.
"It has a resolution of 1920x1200, so all fixed-width sites waste space
The form factor is only 15". So I have to use larger fonts and the text won't fit into these crammed layouts any more, sometimes even getting obstructed by other elements."
There is a good reason for that. If the paragraph are stretched too wide, it gets more difficult to read. Humans need a "break" after about 15 to 20 words and that is EXACTLY why we don't have books that are very wide.
The higher resolution allows you to have MORE details BUT it also depends on HOW you use the space. I never maximize the browser and PC's are built for window multitasking, not ONE window at a time.
The whole point of being able to adjust the size of your browser window is to better see the content of a web page, in the way that suits your situation. If the page isn't going to adjust, why not just make browser windows a single, fixed size?
If I have a big monitor, I want to be able to stretch my window out and have the content correctly fill it. If I need space for another window, I want to be able to shrink my browser window down and have the content correctly adjust by changing the layout (until a certain minimum point, and then by switching to a scroll bar, of course.)
Fixed width layouts are perfectly acceptable.
Fluid layouts are nice, but are more difficult to implement, especially if there are more than two columns and source div order is important.
Line length is an issue regarding readability, but this interacts with font size. So you have to balance width against likely font sizes on screen.
Nowadays, it's reasonable to assume that 1024 x 768 and up is the vast majority of the desktop user market, so you can safely design for 960 px fixed width -- for screen media type.
A couple of important constraints:
ensure is that horizontal scrolling
is never required by the user
if conversions are an issue, make sure
that clickable things -- particularly
"calls to action" or anything than
makes your cash register go
"ka-ching" should not fall to the
right of the 770th pixel or so --
just in case.
But another consideration is handheld media. You should provide alternate CSS for handheld media type. Many of these screens are under 400 px wide.
Delivering a site that looks good and functions on a wide variety browsers, devices, display widths and viewport sizes is a moving target and continuous challenge.
As regards the filmstarts.de site, it is definitely a mess, but the problem is not that it is a fixed width layout, but rather with how the layout is designed and implemented. There are good and bad implementations of fixed width layouts, just like there are good and bad implementations of fluid layouts, or semi-fluid layouts with fixed width elements, etc.
I put it down to laziness. Fixed width layouts are simply easier to design and make look nice because you do not need to worry about the size changing. This, for example, makes it really easy to add images, since you know what size the layout will be.
Personally, fixed-width websites really irritate me. I like to use large monitors. I paid a lot of money for them, so I'd like to make use to make use of them instead of having most of it be left blank. This is made even worse by sites which refuse to get larger if I increase the font size. I don't have the best eyesight and often use larger fonts to read text on websites and nothing is worse than a fixed-width layout leaving me with three words per line and a mostly blank screen...
As far as I'm aware while all the reasons cited are valid, the primary reason is that a lot of machines in monolithic institutions like banks and government orgs are still on fixed and somewhat archaic low resolutions. It's just the lowest common denominator sadly.
I personally like fixed width sites better. I am not forced to mess with my browser window to get a line size I can deal with. I personally find very long lines very hard to read. I also just think it looks better although that is 100% completely subjective.
I have designed and worked with both. Some aspects of variable width sites make displaying data easier. The only problem I have had with them is due to right aligned navigation which was a little messy when it could move based on the user's browser setting.
My final answer - both are fine and each have their place.
I just came across this site, which actually has a link in the top right corner that lets you switch between fixed and fluid.
http://developer.spikesource.com/wiki/index.php/Home
A major point for using fixed width is that the designer can actually control the way the webpage looks irrespective of browser environment. I see two reasons to use FW:
The designer wants the webpage to look all the same.
The designer lacks time/wish/... to test their page in different modes and in different browsers, and just avoids the risk of webpage layot starting flying around.
I didn't make fixed-size layout until I switched to a 32 inches monitor. It is very hard to read the text if the lines goes over 32 inches. I've learned appreciate text that do not span over more than 1,000 pixels, and I have switched to fixed layout since.
But I agree that reducing the content width to < 800px is a pain when you have a big monitor.
Most users lack understanding of how to use a browser properly. When the day come such that users actually know how to use a computer then you will understand that fluid width is the obvious choice for web sites.
I am frequently forced too. None of the 3 developers here has a strong background in design, and the dictated rules and implementations we strive for reflects this. It is an area I want to improve in.
Liquid layout using % as unit can adapt to any screen.
Some layouts must use fixed column design. If there's table or image in the column, you have to use fixed column, or the table or image will break the column in liquid design.
In grid layouts with heights of the grid normally fixed, it's better using fixed column or the widths may got uneven.
It's upto the content of webpage to use elastic column or fixed column layout.
Long lines of text can be difficult to read. For the website I work on we limit the width for usability and readability. We have also designed our site to scale well using CTRL-+ to zoom.
Related
ReSharper's popups (such as the one from Refactor) are always extremely small and I always resize them to be able to see something. I could not find a setting for this in the interface, is there perhaps a hidden setting to at least increase the size of the popup by a factor 4-5? It's highly frustrating that they still think people run screens of 640x480 (at least it seems to be suited to them).
Unfortunately, the initial sizes can't be changed, and they don't remember the last size, either. I've created a feature request that you can vote on and track. It would be useful to add any information such as examples of which popups you mean, and if you're using high DPI or not.
Suppose I want to make a Web application which uses a fixed width and height, and I want the interface to fit on screen for common screen resolutions. Assume the application will only be used on laptops and workstations (and not on mobile devices), and it will be used by IT professionals.
What is the largest possible size I can make the application? I think the key considerations here are what is the smallest screen resolution commonly used and how much space to reserve for browser chrome, which may depend on whether the user has toolbars installed, etc.
Or should I make all the page elements resizable and go with fluid layout? That seems like it might be quite a lot of work.
Fluid layouts are great if your design works for it.
Otherwise, 960px wide is very common and works in pretty much any browser on a 1024x768 screen resolution (which is still VERY common).
As for height, people are generally okay with scrolling down, but if you need it in one window then you have to stay under about 500-600px depending on browser and what toolbars the user has installed.
960x600 pixels
You could use an analytics tool to figure out what resolution your current users are running.
You might try making only part of the layout fixed, and then using CSS's max-width/min-width and max-height/min-height to constrain what you must. Have decoration be fluid as much as it can (e.g. large background images shouldn't force the browser to be 1600px wide; just show as much as possible in the width available in the user's browser, without horizontal scrollbars; try setting the container width to 100%).
You could put a min-width of maybe 30em on a main text column, for comfortable reading (see Ideal line length for content), and perhaps an upper limit of something wide but still readable. It is unpleasant when browsing a site with a layout that crams the content into a small, fixed-size box, especially when it's only for the sake of preserving their design. If your design requires dynamic content to fit within a fixed size, the design could probably use some more thought.
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Duplicate:
Recommended website resolution (width and height)?
I tend to think of 1024x768 as the minimum Screen Resolution that a modern web browser will run in, but I worry when using this resolution for a business website because I feel that I might be hurting the folks out there who are stuck with something smaller/older. So I ask, realistically, what is the minimum screen resolution I should expect my website to function perfectly in with the browser "maximized"?
Look to the Netbooks for a new minimum. I'd say 1024x600 is reasonable.
Edit: You can always look to any number of sites that give you statistics on browser usage. Here's one that Google turned up for me:
http://www.w3schools.com/browsers/browsers_display.asp
From an article in Jacob's Nielsen Alertbox called Screen Resolution and Page Layout:
Optimize Web pages for 1024x768, but
use a liquid layout that stretches
well for any resolution, from 800x600
to 1280x1024.
Depends on your audience. If it's mainly American consumers at home, then I think you're safe with 1024x768. For schools, corporate and global international audiences you'll want 800x600 because schools and businesses are less likely to have upgraded computers, and international audiences in various countries may not have larger screens available for whatever reason.
Can I also suggest you test a maximum resolution as well. Many sites are unusable (without zooming) at 1920x1200 due to people using fixed font sizes and the like.
Dear God, have we forgotten?
The WHOLE POINT of HTML - a LOGICAL page description language - is that you NEVER have to think or worry about the display device.
What happens if the display device is a text-reader for the blind?
Or a text-only browser on a console?
But that's not the main point; the main point is that HTML LOGICALLY describes the page. If you in your logical description of the page are making PURELY PHYSICAL descriptions then you GOT IT WRONG. You're writing web-pages like you're Word emitting HTML!
You need to write your web-site so it works LOGICALLY - which is to say, you leave the problem of rendering PURELY in the hands of the rendering agent. If you're not doing that, you've got it WRONG.
Consider using a fluid layout that adapts to the user's screen. Most sites with a fixed layout force the majority of users to view the site targeted to the least common denominator even though 90% of the visitors have a much higher resolution available. This results in layouts that are overly populated with navigational chrome and little content.
If you must use a fixed layout, consider taking a cue from MSN where you split the screen into 760 and 224 pixel columns. If the visitor has a resolution of 800 (which you can detect in JavaScript) then hide the 224 pixel column.
UPDATE from comments: As for determining a safe min though I'd set your screen to 800x600 then browse some of the popular general public sites - MSN, Yahoo, etc. and see what they do. It's a good bet they've invested a lot of research in this area and adopting what they've done is usually a safe bet
1024x768 is fine. Most people have that resolution setting and the ones who don't won't have a heavily compromised user experience. Also, to ensure your page fits nicely into the browser, taking into account scroll-bars and such, make the with of your pages 960px.
1) My browser is not maximized. The size of my screen doesn't matter. The size of my browser window does.
2) The iPhone's screen resolution is 480x320. NewEgg currently lists at least one 1920x1080 monitor for under $200. Designing to either of those resolutions will make your site completely unusable on the other. Even if you split the difference and design to 1024x768, you'll get a stripe covering half the screen width on the $200 monitor (which, IMO, looks like crap) and it will still be completely unusable on the iPhone.
Screens aren't just getting bigger. They're also getting smaller. The trend is moving to fluid layout instead of fixed-width and it's for a damn good reason.
I usually design websites 800 wide.
Height isn't a problem, as the user can scroll.
As Mark said, there are a number of netbooks around now.
Most of them now have the 1024x600 size, but there are also some of the "older" netbooks that have lower resolution then that still. Mine for example has *wince* 800x480.
If you want to be really compatible, go for 800, but otherwise, I'd say your good with 1024, and as for the height, the user can always scroll.
Don't forget that scrollbars, toolbars, and sidebars can constrict the space a little. Even if you assume the resolution is at least 1024*768, don't make your page 1024 wide.
Definitely 1024 wide (as in 980px or so usable), but please don't design for a fixed height.
I'd take a look at those statistics: http://www.w3schools.com/browsers/browsers_display.asp.
As of January 2009, only 4% of people visiting W3Schools are using 800x600 as resolution. The remaining, are using at least 1024x768.
Beware of how much of that 4% could be part of you users, though.
Like any responsible developer, I'd like to make sure that the sites I produce are accessible to the widest possible audience, and that includes the significant fraction of the population with some form of colour blindness.
There are many websites which offer to filter a URL you feed it, either by rendering a picture or by filtering all content. However, both approaches seem to fail when rendering even moderately complex layouts, so I'd be interested in finding a client-side approach.
The ideal solution would be a system filter over the whole screen that can be used to test any program. The next best thing would be a browser plugin.
I came across Color Oracle and thought it might help. Here is the short description:
Color Oracle is a colorblindness simulator for Windows, Mac and Linux. It takes the guesswork out of designing for color blindness by showing you in real time what people with common color vision impairments will see.
Color Oracle is great, but another option is KMag, which is part of KDE in Linux. It's ostensibly a screen magnifier, but can simulate protanopia, deuteranopia, tritanopia and achromatopsia.
It differs from Color Oracle by requiring an additional window in which to display the re-coloured image, but an advantage is that one can modify the underlying image at the same time as previewing the simulation.
Here is a screenshot showing the original figure on the left, and the KMag window on the right, simulating protanopia.
Here's a link to a website that simulates various kinds of color blindness:
http://www.vischeck.com/
They let you check URL's and Screenshots with three kinds of different color blindness types (URL checking is a bit dated though. Image-check works better).
I'd encourage everyone to check their applications btw. Seeing your own app with others eyes may be an eye opener (pun intended).
I know this is a quite old question, but I've recently found an interesting solution to transparently simulate color blindness.
When working with Linux, you can simulate color blindness using the Color Filter plugin for Compiz. It comes with profiles for deuteranopia and protonopia und changes the colors of the whole screen in real-time.
It's very nice because it works transparently in all applications (even within Youtube-Videos), but it will only work where Compiz is available, e.g. only under Linux.
Here's an article that has some guidelines for optimizing UI for color blind users:
Particletree » Be Kind to the Color Blind
It contains a link to another article with the kind of tools you were asking for:
10 colour contrast checking tools to improve the accessibility of your design | 456 Berea Street
A great paper that explains a conversion that preserves color differences is:
Detail Preserving Reproduction of color images for Monochromats and Dichromats.(PDF)
I haven't implemented the filter, but I plan to when I have some more free time.
I found Colour Simulations easy to use on Windows 10. This software can apply a color-blind filter to a part of the screen or the whole screen. And what's great is it allows me to interact with my PC normally as if it doesn't exist in fullscreen mode. It runs quite slow in my 4K screen using an integrated graphics card, though.
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In a discussion with co-workers today, I lamented that I can't ever remember what an icon means, and have to hover over them to see the tooltips, and thus to find the button I need.
On their side, they were saying that when the text needs to be translated, it might not fit (German vs English for example), and that every place where there is text, including tooltips, it needs a translation. So plain icons are easier.
What is the best tradeoff in useability for the extra work of text vs the subset of users who are icon-challanged?
I personally prefer text and hate icon-only UI's. I know that other people think the other way, equally strongly, either because of internationalization or because their brain works more rapidly with images than with text. If you choose one or the other exclusively for your UI, then part of your user base will be unhappy with your choice. (Sometimes this is the right choice, depending on how extensively the UI will be used.)
Internationalization is really not that difficult, except for finding a firm to do good translations of your text. The programmer portion of internationalization is pretty straightforward. However, I've known a number of programmers who prefer the all-icon method as it's less work. I've personally had to replace one all-icon-no-text UI that the users didn't like. The users said they could not remember what the icons meant.
I think more typically, many advanced users will prefer icons and many beginning users will prefer text. However, a number of advanced users prefer text. IMHO, any good UI will provide tooltips, so you need to translate your interface no matter what you do.
The most friendly solution is to offer both text and icons, possibly with a settings choice to disable one or the other.
I worked with people in a Human/Computer Interactions group and was raked over the coals for using icon-only. They had studies about comprehension, error rate, and speed of using UI's and a good icon/label combination won every time, all else being equal.
Localization should be a non-issue. You may have to localize the icons anyway and localizing a label (as long as it's stored as text and not as bits) is easy. In terms of size in the UI - that's another matter entirely. If you can't fit the text, I'd claim that your UI is too cluttered.
Really they both have advantages and draw backs. Text must always be translated into different langugues, and sometimes a single word will not be able to effectively describe the action of a button. For example, how would you describe the X button which closes a window in Windows. We know what it does, and most people I know call it the X button, but it doesn't describe what it does. It's a lot easier to put a button with an X symbol (or icon if you will) than put something like "close window".
That being said icons also have drawbacks. As you eluded they may not always be clear what they do. The user has to be able to put the icon in a social context to understand what it does. This may not always be possible. Also, icons in one language may not be understood in another, leading back to the translation problem. Icons can be advantageous in certain areas as they can take a complex concept and show the user with a small amount of space. (like to take a picture show a camera, or delete something showing trash can).
The trade off is really in a case by case basis. If you have power users who really understand the application they are using and the surrounding subject, you are probably ok with using them. If you have people who use computers once a month and don't really care to learn it is going to be confusing. Its the amount of information you can convey with a single symbol (icon, picture, letter) vs. the potential frustration of the users and the overall rejection of your program.
Make sure you have a way to get both. Screen readers have a horrible time with icons.
I hate icons, because I never know what they mean even if they're perfectly intuitive (like this world icon that means hyperlink above this box in which I'm typing). Several Unix terminal applications provide a choice between:
text
graphical icons
both
That's nice. I usually like the text on a prominent button, because the meaning of the button is much more clear and the mouse target can be a little bigger.
Its a cultural thing as some symbols (icons) mean different things to people of different cultures, backgrounds and experiences. There are global symbols that one could assume to be 'known' by the general population, i.e. the 'save' icon...
It is a fine line, but i think the tooltips are a good way to help out those who dont understand the meaning of the icon. Perhaps a set of options to have the buttons (icons) render with text instead of the icon image ? This could be a user preference in the application.
Perhaps a good reference would be some of the "extensively" used icons in microsoft applications such as 'Word'. I am generalising here, but microsoft applications are almost eveywhere and they have done all the R&D into suitable / effective icons.
You don't mention if this is for a web application, but if it is then you have to provide the text at least as a backup if the user has disabled images, is using a screen reader, or other limited interface.
two things i guess
the decision should be the result of usability research and properly quantified, rather than a dev's gut feel or whim.
an icon that doesn't carry an obvious meaning is a bad icon and should be changed.
all that said, IMO: Icons with a tooltip/mouseover text equivalent, with bonus that this can carry a reminder of the keyboard shortcut.
(Note: I use "button" here to mean "the UI element on which the icon and/or text is located.")
I think in almost all cases it's important to include text either on the button itself, or at least on a hover-over tooltip on the button, so that in the event that the icon's meaning isn't intuitive to a particular user, the user can find out the meaning by reading the text. (Note that the translation work still needs to be performed in either case.)
A typical case for not including text directly on the button itself is when space is at a premium; when you want to fit a lot of buttons into a small area. Examples include the "toolbars" used in many desktop applications, and also in some web applications -- for example, the buttons that appear just above the StackOverflow answer text entry field!
A good case for including icons is when the button doesn't always appear in the same place, and the user would benefit from being able to quickly visually scan for where the button is located. For example, if I have a lot of programs open on Windows and I want to quickly find my instance of Firefox in the Windows taskbar, I'll look for the little orange icon, rather than reading the text on each taskbar button.