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10 Tips for Mobile Web Design Optimization

10 Tips for Mobile Web Design Optimization


Mobile traffic data consumption grew by 74% in 2015 alone, with more than a billion devices sold during that same period, and this trend is showing no intention of slowing down. That alone should be enough to underline the importance of optimizing your designs for mobile.

Some WordPress themes are better optimized to handle responsive designs and resolutions than others, but that doesn’t mean you need to jump ship if you want to improve your site’s mobile friendliness. In fact, there are a number of easy to implement fixes that will enable you to make great gains when it comes to optimizing your designs for mobile devices.

Over the course of this article, we’ll be covering everything from tips for specific mobile OSs, to image optimization, layout design, and many other subjects. Let’s get started!

Tip 1: Add iOS Icons and Splash Screens

A collection of iOS icons.

Image by lenjoyeverytime / shutterstock.com

Despite the many inroads made by Android, iOS devices remain hugely popular and enjoy the backing of an active community of developers. The point is, a lot of your viewers are likely to visit your site from the comfort of their iPhones and iPads, and if they enjoy your content enough, they might even save your website to their home screens.

To prep for this eventuality, let’s go over how you can add some custom iOS icons to your WordPress website.

First of all, you’ll have to find your theme’s header.php file, since we’ll need to add some code in between the <head> tags in order to make this work.

Are you there yet? Great! Here’s the code you’ll want to add:

<link rel="apple-touch-icon" href="touch-icon-iphone.png" />
<link rel="apple-touch-icon" sizes="72x72" href="touch-icon-ipad.png" />
<link rel="apple-touch-icon" sizes="114x114" href="touch-icon-iphone-retina.png" />

As you can see, the code mentions specific icons for iPhones, iPads and Retina devices, which all need to be prefaced by the apple-touch-icon rel attribute.

As long as you’re still editing that header.php file, you can also design a brand new iOS splash screen for your website and throw it in there by adding the following line of code:

<link rel="apple-touch-startup-image" href="splash-screen.png" />

Tip 2: Use Multiple Image Sizes in Combination With Media Queries

A multitude of different mobile devices.

Image by Artem Kovalenco / shutterstock.com

You’re, of course, already familiar with media queries. Think of them as specific design rules embedded in your CSS in case a specific scenario comes into play. In the case of mobile design, these scenarios are different resolutions, device orientations, and browser dimensions. The problem with media queries nowadays is that a lot of designers and developers create websites with a mobile-second approach in mind, whereas ideally, it should be the other way around.

This mobile-second approach can be spotted in media queries when you see popular device dimensions (i.e. 320px, 480px, 768px) being used as guidelines. While in theory this might seem like a sound approach, since you’re being efficient instead of introducing needless queries, in the real world, new devices (with new screen sizes and resolutions) are always coming out.

So, next time you’re working on a design, try approaching it from a mobile-first perspective:

  1. Design your queries working your way upwards, from small viewports.
  2. Avoid using pixels to declare your breakpoints. Instead, try working with ems and percentages as often as possible in order for your designs to adjust themselves depending on the level of zoom.
  3. Remember to adjust your media queries to adapt to retina devices (i.e. min-resolution: 192dpi).

Tip 3: Optimize Your Images

Tools in the middle of a browser.

Image by Ganibal / shutterstock.com

Even if you have a fantastic and fully responsive design, potential viewers could be scared away from your site if it takes too long to load, and images play a big factor in this aspect. Users expect pixel perfect graphics and they expect them to load blazingly fast, so you need to find a way to keep file sizes down while quality remains high.

While this may seem like a conundrum, there are plenty of tools which can help you achieve these results. On the plugin front, we have the likes of EWWW Image Optimizer and WP Smush, which once installed, will automatically apply lossless compression techniques to every image uploaded to your WordPress website and can even go through your media catalog to optimize images uploaded in the past.

If you’d rather not add yet another plugin to your website, there are always standalone tools such as TinyJPG and TinyPNG, which essentially accomplish the same goal as EWWW Image Optimizer by selectively reducing the number of colors in your images, as well as stripping out unnecessary meta data. This results in vastly smaller file sizes while only inducing near-invisible changes, which is an ideal compromise for most graphics.

Tip 4: Consider Using SVGs

A designer hard at work under a lamplight.

Image by Giingerann / shutterstock.com

Scalable Vector Graphics (SVG) are a nifty tool to add to your personal list of tricks. Despite what the name would imply, they use a form of XML markup language instead of a straight-up image format, and they’re particularly useful for simple graphics such as logos, icons, infographics, and other such applications.

“Why are SVGs so useful?”, you might reasonably be asking. Well, for starters, they’re scalable (hence the name) which means you won’t have to worry about adapting them to different viewports. On top of that, they can also be easily animated using CSS, which is a process we previously covered in detail on How to Create an Animated Logo with SVG and CSS.

You should already be familiar with tools such as Adobe Illustrator, Inkscape and Sketch, all of which include support for this format, so try it out!

Tip 5: Pick the Right Fonts

Showcase of a regular font.

Image by Neuevector / shutterstock.com

Mobile design isn’t all about images. Choosing which fonts to use can have as much of an (if not greater) impact on your designs as graphics do, since most sites use text as their primary method to convey information.

From a designer’s perspective, this means picking the right fonts for the job, and that entails:

  1. Shying away from thin or complex letterforms. Users already have to place mobile screen close to their faces; you don’t want them to have to zoom in even further on every line to figure out what it says.
  2. Avoid fonts with too little spacing in between the letters for better readability.
  3. If using media queries for your text, use ems for sizes instead of pixels.
  4. Consider using sans serif fonts, since they tend to scale better across most resolutions.

Tip 6: Treat Text as Part of the UI

An example of some filler text inside of a messaging interface.

Image by Aleksandr Bryliaev / shutterstock.com

While we’re on the topic of text, what font you use isn’t the only concern when it comes to readability. Since we’re going to be working with a wide variety of viewports, you want your mobile designs to take text into consideration as part of the entire UI experience right from the get-go in order to maximize readability. This means:

  1. Using media queries to maintain a manageable limit of characters per line (remember to use ems instead of pixels!). The generally agreed amount is set at somewhere between 45-75 characters.
  2. Consider using the vw, vh, and vhmin (these are all related to viewport percentage lengths) CSS3 values in order to keep font size relative to the size of your container on any given viewports.

Tip 7: Use Contrasting Colors to Your Advantage

A color palette.

Image by MaluStudio / shutterstock.com

Anyone who’s even remotely familiar with design fundamentals will tell you the same thing – contrast plays an important part in web design. Since we just finished talking about typography, let’s take a look at a great example of website design which uses contrast to highlight text:

A website showing text which reads "While we're young" using contrasting colors.

Here the eye is drawn towards the text thanks to the contrast in colors. This technique can also be applied to other parts of your layout, and you don’t need to stick to simple white on black – clashing colors also can look great in certain design contexts.

A website with some menu items using a design with clashing colors.

If you’re not quite sure whether the colors you’ve chosen are compliant with good design guidelines (or those of the World Wide Web Consortium), you can use this simple online tool to tell you if you’re on the right track. All you have to do is enter two colors and it will tell you whether their contrast is adequate from a design standpoint.

Tip 8: Design Mobile Menus

An icon exemplifying a mobile menu.

Image by Gamegfx / shutterstock.com

If your WordPress theme doesn’t include mobile menus for some unfathomable reason, there are plenty of tools you can use to tackle this issue right away. For example, on the plugin front, we have a couple of strong contenders:

Superfly

A screenshot of the official Superfly header.

Superfly enables you to create a wide variety of additional menus which can be used to replace your theme’s default ones or complement them. For example, you could easily customize your Superfly menus to display only on mobile resolutions and not display on selected pages.

On top of rendering all kinds of regular mobile menus, Superfly also offers you the option of creating icon-based vertical menus.

Hero Menu

A screenshot of the official Hero Menu header.

Hero Menu simplifies the creation process with a drag-and-drop editor and fully responsive features. The plugin comes with dozens of prebuilt menu layouts, color combinations, and custom-made icons to make each menu unique. Menus built using the plugin will automatically display using a lighter version when on a mobile interface.

Tip 9: Use CSS3 Instead of Images (Where Possible)

Part of a browser showing a CSS3 tag.

Image by 10 FACE / shutterstock.com

This one is pretty straightforward. Although the temptation to use graphic design tools to craft every aspect of your website may be strong, there are plenty of occasions where a little CSS3 trickery will suffice instead of using additional images.

Take this run of the mill button, for example.

An animated CSS button.

If you guessed that to be some complex graphic trickery then you were mistaken. It was all accomplished using CSS3, and with a little bit of imagination (or the right tutorial) you can accomplish a lot of complex effects that would otherwise require more complex (and heavier) graphics to pull off.

To check out some great examples of buttons handcrafted using CSS3, check out 40 CSS3 Button Tutorials For Designers.

Tip 10: Use These Tools to Test Your Designs for Mobile

A laptop showing a split browser with two different versions of a site.

Image by Iconic Bestiary / shutterstock.com

One of the biggest problems with mobile design arises from the vast number of different viewports and resolutions you need to account for. While there are a few resolutions which enjoy widespread popularity, the market is by no means uniform when it comes to this aspect and there are new devices being released every month.

Therefore, unless you somehow have access to a wide variety of physical devices, you need to look for alternative methods to test your mobile designs. Thankfully, the web is chock-full of apps created for these express purposes, such as:

BrowserStack

A screenshot of the official BrowserStack homepage.

BrowserStack is a fully featured solution which includes a remote testing lab for actual physical devices, including a wide range of Android and iOS phones and tablets. On top of that, you also get access to multiple versions of all the most popular browsers (and some not quite as popular, such as Edge and Yandex). This combination of test environments is perfect for checking out how your designs will perform in real life scenarios and is useful not only from a design perspective but also for developers.

The best part is you don’t even have to test your designs manually on each device, since the service includes a Quick Screenshots feature, which will automatically test your site with over 700 combinations of devices, browsers, and resolutions so you can quickly pinpoint any errors in specific environments.

StudioPress

A screenshot of the official StudioPress homepage.

StudioPress doesn’t pack half the features that BrowserStack does. In fact, it only allows you to test live sites for specific widths (which you can manually configure) or using preset device sizes. However, it is completely free and you don’t have to sign up in order to use it.

Aside from the above tools, you might also want to turn to Chrome Developer Tools or the Firebug add-on for Firefox, which enable you to test out how your site will display in multiple resolutions without leaving your browser at all.

Divi’s Multi-Device Settings & Preview Modes

responsive-controls-small

Finally, if you’re a Divi user, you can use the built-in responsive design controls to create modules and layouts that best fit each screen size. You can also preview these changes without ever leaving the Divi Builder.

divi-2-5-preview-final

Conclusion

While these tips will certainly have a positive impact on your website, you need to remember that mobile optimization is something that you must revisit constantly, since mobile users have little patience for sloppy design practices.

There are always new devices coming out, changes in design trends, OS updates, and other factors which could cause problems with your designs. With that in mind, let’s review the what we’ve covered in this article:

  1. Create iOS icons and a splash screen.
  2. Follow our guidelines for media queries and optimize images accordingly.
  3. Consider replacing images with SVGs or CSS when possible.
  4. Pick the right fonts and treat typography as part of the UX.
  5. Design custom mobile menus.
  6. Don’t forget to test your designs!

Do you have tips you’d like to share concerning web design for mobile platforms? Let us know in the comments section below!

Article thumbnail image by Shai_Halud / shutterstock.com



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