Every week, I share the most interesting and useful tech articles that I’ve found over the past week. This week’s top articles focus on HTML mistakes, data visualization, and more. I hope you find them useful:

HTML tag mistakes you should really avoid
If you ever edit your web application’s presentation layer at the source level, you should read this article. It describes a few common HTML mistakes that can cause problems if not corrected.

6 uncomfortable questions IT teams should ask
Would you describe your IT staff as “innovative”? This article takes a look at some highly innovative IT departments, as well as some hard questions that IT staffs must ask themselves if they want to be on that level. While the questions are good, I’d say that most of them boil down to this: How quickly can your IT department meet your user’s needs?

4g: What does it mean for business?
As 4G becomes more and more widespread, what affect does it have on your business? The article lists some great points, but I’d say the biggest benefit is this: Faster mobile web applications! While native apps were generally considered faster than mobile web apps, that problem was largely caused by slow network speeds. With the rise of 4G networks, mobile web application speed can actually be a benefit.

8 principles of data visualization
When someone asks for a report or a data visualization, what steps can you take to ensure that you give them what they’re looking for? This article gives some great tips, and really goes into detail on the topic.