The web just keeps getting harder, better, faster, and stronger, and that’s mostly due to browsers. Browsers are advancing and adopting new features more rapidly than ever before, giving developers the ability to create better experiences for our visitors without having to wait years for full browser support.
In this post, we’ll examine three specific CSS features that have been introduced fairly recently: Flexbox, Calc, and Grid. We'll look at why your team should be welcoming these new features and how implementing them can improve website performance—both real and as perceived by the user.
Let’s say you have a row of three images with associated text and buttons below them. This is a pretty common layout.
- While the page loads, the buttons would not be bottom-aligned for a moment. Then there would be a brief, jarring adjustment when the buttons snapped into place.
- If you had several rows of content with widely varying copy lengths, every single row would be the height of the tallest “cell,” which may make some rows look odd.
- The height would need to be recalculated every time the screen was resized or rotated.
Bottom line: if your developers aren’t leveraging the power of Flexbox, you’re missing out on an opportunity to improve things like user experience and even page load speed.
Flexbox + Calc
Now, let’s say you have a layout like this:
Flexbox solves the aforementioned issues, while Calc allows us to perform this width calculation—(screen width - content width) ÷ 2—in CSS. All the benefits of this are the same as before: a more content-proof layout, no snapping into place, faster load times, etc.
Calc has been fully supported by all major browsers since 2014, and Flexbox has since 2015.
Caveat: Granted, a few workarounds have to be implemented for Internet Explorer 11, even more for IE 10, and IE 9 and below don’t support Flexbox at all. So if that’s a large chunk of your user base (you can find that information in Google Analytics), you won’t be able to use Flexbox. However, in 2016, Microsoft ended support for every version of IE except 11, so the percentage of users using older IE versions is declining by the day.
Grid is basically a more advanced Flexbox. One key difference is that it allows you to set a gutter—the space between columns and rows—as opposed to using some weird combination of margins and padding to get the same result. Both Grid and Flexbox allow for cleaner HTML and greater flexibility for layout changes due to responsive breakpoints, dynamic content, etc.
Looking at the timeline for Grid on caniuse.com, you start to see partial browser support in spring of 2017, with full major browser support arriving in fall of 2017. Compare this to the timeline for Flexbox, which took about three years (or longer, depending on how you look at it), and you can see that browsers are adopting new features much more rapidly today.
As browsers continue to roll out support for new features, encourage your developers to start using them! A new feature could be a case for revamping a section of your site, which could have a dramatic impact on site performance and conversions. These exciting browser features are becoming universally adopted faster than ever—it’s time to start capitalizing on them.
Born and raised in the limestone capital of the world, Zack Philipps has had a meteoric rise through the web development ranks. At his first job he went from intern to executive director in just a few years, so his dev skills are top notch. He’s a master of finding unique solutions to new problems, and as technology improves he loves being at the forefront of something that improves lives personally and professionally.
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