07. Testing Your Website on Different Screen Sizes

Zehr.net Conversation Series — Episode Insights

7. Testing Your Website on Different Screens

People visit websites using many different types of devices. Some visitors use large desktop monitors, others use laptops, tablets, or mobile phones. Each of these screens displays a website slightly differently.

Testing a website on different screen sizes helps ensure that every visitor has a comfortable and easy experience no matter what device they are using.

Key Takeaways

• Visitors access websites from many different screen sizes.
• A website should adjust smoothly from large screens to small phones.
• Testing helps reveal layout problems that may not appear on your own device.
• Mobile visitors expect easy navigation and readable text.
• Simple testing methods can quickly reveal whether a site is responsive.

Why Screen Testing Matters

A website that looks perfect on a large desktop screen may appear very different on a phone. Text might become too small, images might overlap, or navigation menus may behave differently.

If visitors encounter these problems, they may leave the site quickly. Testing helps ensure the website feels comfortable and usable on all common devices.

The Simple Browser Resize Test

One of the easiest ways to test a website requires no special tools at all. Open your website in a browser on your computer and slowly shrink the width of the browser window.

As the window becomes narrower, watch how the layout changes. A well-designed responsive website will smoothly reorganize its content as the screen size changes.

If elements start overlapping, text becomes unreadable, or sections shift in unexpected ways, the layout may need adjustment.

Testing on Real Devices

If possible, it is helpful to view your website on several actual devices. Phones, tablets, laptops, and desktop computers all have slightly different screen shapes and sizes.

Even rotating a phone between portrait and landscape orientation can reveal layout differences. Checking the site on a few real devices helps ensure the experience is consistent.

Things to Check on Mobile

When testing a website on a phone, a few details deserve special attention.

• Text should be readable without zooming.
• Buttons should be large enough to tap easily.
• Images should resize without breaking the layout.
• The navigation menu should open and close smoothly.
• The page should feel comfortable to scroll with one hand.

Mobile users often decide very quickly whether a site feels easy to use.

Checking the Mobile Menu

Navigation menus often behave differently on smaller screens. On desktop computers, the full menu is usually visible across the top of the page.

On phones, the menu typically collapses into a small icon often called a “hamburger menu.” Testing ensures that the menu opens correctly, closes properly, and does not cover important information.

Watching How Images Respond

Large banners, side-by-side photos, and gallery images may behave differently when the screen becomes smaller. A good responsive design allows images to resize or stack vertically in a clean and readable way.

Testing across screen sizes helps ensure that images remain balanced and do not disrupt the layout.

Using Built-In Browser Tools

Most modern browsers include built-in tools that simulate different devices. For example, in Chrome or Edge you can right-click on a page, choose “Inspect,” and then select the device icon.

This allows you to preview how your website would appear on common devices such as smartphones or tablets.

What to Do If You Find a Problem

If something looks incorrect during testing, the solution is often simpler than it appears. Sometimes a small adjustment to spacing, images, or layout settings can resolve the issue.

Regular testing helps catch these issues early before visitors encounter them.

Screen Sizes to Test

A good rule of thumb is to check your website on a few common screen types.

• A large desktop monitor
• A laptop screen
• A tablet (portrait and landscape)
• A mobile phone (portrait and landscape)

If the website performs well across these screen sizes, it will likely provide a good experience for most visitors.

Final Thoughts

Testing a website on different screens is one of the simplest ways to improve the visitor experience. A responsive design that adapts smoothly to different devices helps ensure that customers can easily view and use the site.

By taking a few minutes to test your website on multiple screens, you can gain a clearer picture of what your visitors actually see.

Part of the Zehr.net Conversation Series

This article accompanies the podcast episode discussing how small businesses can test their websites across different devices and screen sizes. The Zehr.net Conversation Series explores practical ways businesses can use modern web tools more effectively.