How to Make Your Website Mobile-Friendly

Mobile responsive web design is incredibly important in building or maintaining a website these days. A greater percentage of global internet traffic now occurs on mobile devices than on desktop computers—in a sense, making a mobile-friendly site even more important than a site that’s beautiful on desktop.

Online searches are also trending in the same direction: 60% of Google searches are now performed on mobile. To accommodate for this, search engine algorithms are increasingly prioritizing mobile-friendly sites—which means that websites built with mobile responsive design, that load quickly on mobile devices, and that provide a good mobile user experience are more likely to rank highly in search results (woohoo!).

So, due to increased traffic and search queries from mobile devices, it’s essential that your website is designed to be mobile-friendly.

One of the reasons we recommend Squarespace for small businesses and entrepreneurs is that Squarespace website templates are, by default, built with mobile responsive design. (Mobile responsive design means that elements on your website will automatically adapt to fit the size of the screen your website is being viewed on.)

However, even though Squarespace has your back with built-in mobile responsive design, there are a few additional things to consider when designing your site with mobile users in mind:

  • Page load time

  • Mobile legibility

  • Mobile navigation design

(And, if you’ve made design customizations to your site, you’ll want to check that everything is translating smoothly on mobile.)

8 ways to make your website more mobile-friendly

Here are our top tips for ensuring mobile-friendly design on your Squarespace website:

1. Increase Page load speed

Page load speed is a significant part of mobile-friendly design. When a user visits your webpage on their smartphone, their device will download all of the page’s content. Because mobile devices use simple hardware and rely on cellular networks, content-heavy pages can be slow to load. (This is not good, as slow-loading pages hurt both SEO and user experience.)

To increase your page load speed, aim to keep the content of each page under 5 MB. (Here’s Squarespace’s guide on how to check your page content size.)

Find that you need to reduce your content? No worries, here are a few tips for reducing your page size for faster loading:

  • Reduce image size: Aim to keep images under 500 KB each (this should be doable while still maintaining the optimum width of about 1500-2000px for full-width images). In general, .jpg images have a smaller file size than .png. You can resize images on your computer or with an image compressor like JPEGmini.

  • Reduce embedded content: Embedded content (like videos!) can increase page load times. Try spreading media content like videos across multiple pages, rather than housing it all on one page.

  • Reduce gallery size: Keep photo galleries under 50 images each. If you need larger galleries, simply link to them across different pages.

2. Customize mobile font sizes

Though your Squarespace site is designed to adjust font size on mobile devices, it’s a good idea to assess font legibility yourself and make additional changes as needed. Sometimes you’ll want to increase or decrease the size of a particular font style on mobile.

This requires custom CSS, which you’ll access in Design > Custom CSS. Simply paste the following code, and include the font sizes you’d like. (Note: If you’re not updating the size for a particular font style, you can delete that line in the code.)


/* Mobile font size */
@media screen and (max-width: 641px) {
body {font-size: __ }
h1 {font-size: __ }
h2 {font-size: __ }
h3 {font-size: __ }

3. Prevent automatic hyphenation

In an effort to keep text legible on mobile, Squarespace automatically breaks and hyphenates words that are too long to fit on one line. However, this can end up looking a little awkward on mobile, especially for headings.

Though there’s no built-in way to disable automatic hyphenation, there is a simple piece of code you can use. Head to Design > Custom CSS and paste the following code:


/* Hyphens */
p, h1, h2, h3 {
-webkit-hyphens: manual !important;
-moz-hyphens: manual !important;
-ms-hyphens: manual !important;
hyphens: manual !important;

(Note: This code snippet includes all font styles, but you can choose to include only those that you’d like to remove automatic hyphenation from.)

4. Adjust image focal points on mobile

If a banner image is not displaying properly on mobile, you can adjust the image’s focal point in Squarespace’s image editor.

To adjust the focal point of a banner image, you’ll open the editor for the banner and pull the image focal point (the circle icon you see in the middle of the image) to the appropriate part of the photo and click “save.” The same process applies to image blocks and can be accessed in the image editor.

Adjust a banner or thumbnail image focal point in Squarespace // How to Make Your Website Mobile-Friendly // Five Design Co.

When repositioning image focal points, remember to check your work on both desktop and mobile screen sizes to make sure they’re both displaying as you’d like.

5. Adjust spacer blocks on mobile

This is a fun little “code-free” Squarespace hack we’ve shared before.

If you use a spacer block on Squarespace, it will be applied to both desktop and mobile views. However, sometimes a spacer block works well for desktop screen sizes, but adds too much spacing on mobile. If you encounter this problem, there’s a simple trick to eliminate that extra space on mobile only:

Instead of using one spacer block (like the first line below), use two spacer blocks side-by-side (like the second line below) and they’ll cancel out on mobile while remaining visible on desktop.

How to adjust Squarespace spacer blocks on mobile // How to Make Your Website Mobile-Friendly // Five Design Co.

6. Customize Mobile navigation

When designing your Squarespace site, don’t forget to customize the font, size, color and spacing of your mobile navigation menu.

Though the code-free customization options vary depending on which Squarespace template you’re using, you can find the options available for your template in Design > Site Styles. Here’s an example of the mobile menu customization options for the Brine family templates:

How to customize your mobile navigation menu in Squarespace // How to Make Your Website Mobile-Friendly // Five Design Co.

7. ADJUST LOGO SIZE on mobile

Depending on your logo design, the default Squarespace settings may leave it looking a little too small to be legible on mobile. In this case, you’ll want to manually adjust the sizing a bit on mobile only.

Different Squarespace templates have different capabilities in adjusting your logo’s size on mobile. Here’s an example of the mobile logo formatting capability in the Brine family templates:

How to adjust mobile branding (including logo size) in Squarespace // How to Make Your Website Mobile-Friendly // Five Design Co.

Unfortunately, most Squarespace templates do not support uploading a separate mobile logo—so, unless you’re comfortable using some advanced CSS coding, you’ll need to use the same logo on both desktop and mobile and adjust the size accordingly with the method above.

8. Review each page on mobile devices

Most importantly, always check each new web page to test how it will appear on mobile.

The Squarespace editing interface includes a useful Device View tool for viewing your web pages (or blog posts, etc.) as they’ll appear on different screen sizes. When editing a web page, simply hover over the Device View panel at the top of the page, which will open your screen size viewing options—you’ll be able to view how your page will appear on desktop, mobile phone and tablet.

Using Squarespace Device View to check mobile formatting // How to Make Your Website Mobile-Friendly // Five Design Co.

While Squarespace’s built-in Device View is super helpful, we also recommend doing a live check on your own mobile device(s)—sometimes the live check brings up browser-specific issues that were not visible in Squarespace’s mobile Device View. (Tip: to perform a live check without making the new page visible to other website visitors, simply publish your page with password protection.)

Google also has a free Mobile-Friendly Test, which checks how easily a visitor can view your page on a mobile device. This useful tool will also alert you to any page loading issues that may be occurring on your site.

How’s your SEO?

Grab our free checklist for boosting your Squarespace website’s built-in SEO:

Squarespace SEO Checklist // Boost search engine visibility to grow your website & business // Five Design Co.

We’ll also send occasional emails with helpful tips on web design, blogging & entrepreneurship. (Woohoo!)


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How to make your Squarespace website mobile-friendly with mobile responsive web design + other practical tips for faster page loading and optimum mobile user experience. // Web design tips & resources on the Five Design Co. blog
How to make your Squarespace website mobile-friendly with mobile responsive web design + other practical tips for faster page loading and optimum mobile user experience. // Web design tips & resources on the Five Design Co. blog