I love Tweetdeck. Well, I love parts of Tweetdeck. Specifically the side-by-side view makes it really easy to see my stream, my replies, people linking to my website and people talking about Twilio on one screen and I haven't found another tool that can do it. But Tweetdeck also breaks my browser in really annoying ways. Here are the most annoying examples.

Use of outline:none on buttons.

When you tab through a form, Tweetdeck doesn't show you which button is currently focused on the screen. I tend to stay on the keyboard wherever I can because switching to the mouse is so slow. It's much faster to fill out forms tabbing with the keyboard than clicking around with the mouse.

Operating systems have highlighters that show you which button is currently focused - on Mac OS X they show a blue glow around the box that's currently focused, like this:

Clearly you can see the US Dollar field is focused. Now if I tab again, the "Measurement Units" button is focused:

Tweetdeck doesn't like having outlines on their buttons. This is what you get if you tab from the "Password" field:

See how the focus disappears:

It's not that annoying there. Where it's really annoying is when you are trying to post a new tweet. In GMail when I press Tab from the message body, the focus jumps straight to the "Send" button:

This is perfect because it makes sending emails really fast - I just hit Tab, Enter and the email's sent and I'm back in my inbox.

When you press Tab + Enter from the "Tweet" field in Tweetdeck, instead of posting your Tweet, they jump you to the Camera button:

Normally this is annoying, but it's not that annoying; I can just Tab multiple times to get to the button. But Tweetdeck also hides the focus with outline:none in their CSS, so you can't actually tell which button is currently focused. This means you can't figure out how many times you need to Tab through to get to the Tweet button.

It's really not that hard to fix, and it won't make a lick of difference to the mouse-clicking hoi polloi. Just change the HTML tabindex of the form, and add a focused style for the button.

Using target=_blank for links.

When I read my stream, I read through all the Tweets first, opening up interesting links in new tabs to read later. I don't want to constantly be jumping back and forth between my stream and articles, because I lose my place in the stream.

Fortunately, browsers offer two methods for opening new tabs in the background. One is to hold Cmd while clicking on a link. The second is to right click and press "Open in new tab."

Neither of these is good enough for Tweetdeck; they force you to immediately switch out of your stream into new articles by adding a target="_blank" attribute to all links in the app. target="_blank" links override your browser's default behavior and switch your focus immediately to the new tab or window.

The reason they attach target=_blank attributes to their URL's is so that all of their links open in a different tab, instead of the same and Tweetdeck stays open in the browser. But that's also evil, because it breaks a user's expectation about what's going to happen when they click on the link. I want to open links in a different tab, I just don't want them to be focused, and Tweetdeck makes this impossible.

Completely breaking when Javascript is disabled.

Lately I've been playing with disabling Javascript in my browser. Mostly I am disappointed in how much of the Internet breaks when you disable Javascript, especially pages that only show content like news articles or blog posts.

It's nice at least when a site includes a <noscript> tag telling you that you need to enable Javascript for the site to function. Tweetdeck doesn't even do this. Here is what you get if you browse to web.tweetdeck.com with Javascript disabled:

That's a blank screen, with no notice or indication that your browser didn't crap out.

They also detect your user agent, and error out if you try to access Tweetdeck with Firefox or Opera, without even making an attempt to display the page. I can understand not supporting IE, but I don't understand why they can't even try Firefox.

Conclusion

Tweetdeck is good enough that I'll continue to use it, but there are some simple things that make my experience a little miserable every time I click on a link or try to write a new Tweet. I wish Twitter as a whole cared more about accessibility and usability for all of its users (here's another example); with an estimated 100 million active users, even a small percentage of users who lack the fine motor control to use a mouse (or even a keyboard) is still a large number of people that are affected by problems like this.

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Friday one of my favorite teams, St. Mary's, dropped an extremely close game to Purdue. They were up one point with 31 seconds to go when one of their senior players tried to run the baseline, something you can only do after you have scored a basket. Purdue took the ball and went on to win the game.

Obviously it was a bad mistake for the player to make in that situation. But there's another person who is to blame: the referee. Before inbounding the ball, the referee will signal to the player that they either can or cannot run the baseline. Sure, the referee can blow the whistle every time there is a violation, but it's better to prevent the error in the first place. It would be like letting players line up for a free throw in the wrong order, letting the player shoot and then blowing the whistle for incorrect order.

Ultimately the blame belongs with the player who made the mistake; he should have known better. But it was an awful way to decide the game; on a technicality instead of through the actions on the court.

It's a known law of websites that any type of mistake that can be made by your users (entering a username instead of an email address, entering a wrong phone number, etc) will be. For those cases we write error handling code and prevent incorrect data from being written to our database. But it's better to prevent the error as quickly as you can - as soon as they make the mistake, if it's possible. The more time that elapses between the error occurring and the time you tell them about it, the more frustrated they are likely to be. Even better is to design your form in a way that prevents them from making the mistake in the first place.

Pretty much every site needs to validate form data on the server to make sure it's correct. But the best sites will also validate data on the client side, e.g. when the user is typing it into their computer. This way they can prevent users from making dumb mistakes.

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Programming is hard. Especially when you are just getting started, there are a lot of things, in Donald Rumsfeld's words, that you "don't know that you don't know." Lots of quickstarts for beginners assume the reader knows things about how the command line works that my experience shows they don't. I do lots of user tests with people new-to-programming and see these errors again and again.

I thought I'd put together a short list of things quickstart writers leave out, that will still leave you totally stumped.

• Most of the time if you see an indented block of text in a fixed width font, like this:

  $ foo baz bang
  

  It usually means you're supposed to do something with the text in the box.

• If the text in the box has a dollar sign at the beginning of it, it represents a command you are supposed to enter in your Terminal. If you get an error that looks like this:

      bash: $: command not found
  

  It means you aren't supposed to copy the dollar sign. Just type foo baz bang and hit <Enter>. Unfortunately it's hard to Google for dollar signs, so you can't really figure out what you did wrong.

• If there's a dollar sign, followed by some more text on the lines below the dollar sign, the lines below represent the output of running the command correctly. For example:

      $ python run.py
       * Running on http://127.0.0.1:5000/
       * Restarting with reloader
  

  You are only supposed to type in python run.py into your Terminal. The rest of that stuff is the output of running the command correctly.

• If the block of text doesn't have a dollar sign, it's probably a snippet of code you are supposed to copy into a text editor and save into a file (On Mac, use TextWrangler; on Windows use Notepad++). Hunt around the quickstart for a filename you should use.

• If they don't tell you where to save the files, create a new folder and save all of the files in there, in the top level.

• If the command line mentions a file you've recently created, like this:

      $ python run.py
  

  You need to run the command from "inside" the same folder as the file. The terminal has a notion of being "in" a directory (Directories and folders are the same thing). Here's a short guide:

  • To figure out which directory you are in, type pwd and press Enter. (pwd stands for "print working directory").

  • To list all files and folders in the current directory, type ls -al and press Enter.

  • To go into a folder below the current one, type cd Documents (or whichever folder you are trying to navigate to). To do more than one type cd Documents/code.

  • To go up a level type cd ..

  Once you're "in" the right place you should be able to run the command properly.

• If you feel like you are spinning your wheels, ask for help! It's important to know how to ask. Make sure to tell people a) what you are trying to do, b) what you expected to happen, and c) what actually happened. Bonus points if you can talk about things you tried previously and why they failed to do what you wanted.

As an author of a quickstart myself, I feel like I owe an apology to users who are just getting started, for not including this information along with our guide. Sadly the terminal is just about the least beginner-friendly piece of software I can think of, and when you are just getting started, so-called "simple" errors can totally derail you and make you want to go outside and play Frisbee or roller blade.

Hopefully these tips will help you get started doing that cool tutorial you've always wanted to do.

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Last summer I tore into CMC's website redesign, saying that the new design emphasized looks over function and did a poor job of explaining what made CMC special. I recently visited the site and they've made a bunch of usability improvements.

Here are some of the highlights. Again, I offer these up with the caveat that, I haven't done any testing or looked at any data, but I do have a lot of experience in this area.

• The old homepage, with only 14 links, call to action button that looked like an ad, and incredibly-difficult-to-change photo content, is gone. Instead users are redirected straight to http://cmc.edu/discovercmc, which is a much better page.

• The Discover CMC page has lots of dynamic content that promises to be much easier to update; photos of speakers, links to events, a Twitter widget and a sliding bar. It also has an updated meta description, so a Google search for "Claremont McKenna" returns more contextual information about CMC.

• Static assets (images, CSS, Javascript) are being cached with a Last-Modified and an E-Tag header, so that browsers will not re-request the same images and CSS every time a user requests the homepage. This will help with page load times.

• There's a call to action button on the homepage: "Plan your Visit to Claremont McKenna today."

• The "Student Gateway" replaced all of the stock photos with links to useful content, like the login form for your email account, which used to take around four clicks. That is outstanding. (For the record, http://bit.ly/cmcmail will take you right to the old form - I set up that link junior year :)) It looks like a page I would actually use to find things I was looking for - the maintenance request page, the Collins menu, etc.

• The calendar on the Student Gateway page uses Google Calendar, instead of the old ASPX event calendar that no one used.

• The "Prospective Students" page has an explanation of why you should apply to CMC.

• Skip links for disabled users!! These will help people skip to the main page content and help CMC, a nonprofit, meet government standards for website accessibility.

• The professor home pages, which I singled out for SEO improvements, have gotten about halfway there; it's clear someone is thinking about improvements in that area. Pages now contain an h1 tag and some keywords describing what the professor does; it's a lot of work, but the pages would be best with a unique <title> attribute and a meta description, however.

These add up to amazing improvements in usability and discoverability; they've addressed most of the problems with the old site. It also represents a tremendous amount of effort on the website and whoever is responsible should be proud.

That said, it's still not perfect, and there are some more quick usability/SEO wins to accomplish. Here's a shorter, less urgent, list of areas they could still improve upon:

• You can access the Discover CMC page from eight distinct URL's:

  • www.cmc.edu/discovercmc
  • cmc.edu/discovercmc
  • claremontmckenna.edu/discovercmc
  • www.claremontmckenna.edu/discovercmc
  • www.cmc.edu/discovercmc/index.php
  • cmc.edu/discovercmc/index.php
  • claremontmckenna.edu/discovercmc/index.php
  • www.claremontmckenna.edu/discovercmc/index.php

  Google will sometimes interpret duplicate content as a sign that you're trying to farm for content by placing the same text at different URL's. It also means Google is unsure which version of the page to point people to. It's better for Google rankings to redirect all duplicate content to one canonical domain/URL with a 301 (and better still to serve it at the root - shorter URL's rank more highly).

• It feels odd to have distinct pages for Admission and for Prospective Students; those two have a ton of overlap and it might be best to merge them. Prospective students are the only group interested in Admissions information, and the Admission pages may get more love (see the outdated Twitter feed on the Prospective students page).

• The dropdown menu is great and includes a ton of links to useful content. However, I expected that when I hovered over the menu item, the menu would appear automatically. Instead I had to click to make the menu appear. Normally I expect when I click on something that looks like a link, I will be taken to a different page, so I was hesitant to click on the link.

  Dropdown menus have a usability problem where users scrolling the mouse from above the menu to below the menu trigger the flyout, even though they don't mean to. The best practice here is to have the menu only appear after the user has hovered over the item for around half a second, so that transient mousers don't trigger the flyout.

One of the reasons I set up Good Morning CMC was to provide students with an actually useful calendar and a more accessible view of the information that we needed on a daily basis. With these changes Good Morning CMC is becoming close to redundant.

The number of CMC students interested in different tech fields - web design, marketing, entrepreneurship - has been on the rise recently. I wouldn't be surprised if the web team and some smart interns couldn't continue to improve the site, boosting application rates, prospective student contact rates, and alumni giving rates, through iterative improvements to the current site.

PS Sorry I didn't include images or links - I am trying to blog more often and cut down on the amount of time it takes to do so.

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