This article explains how to fix mobile responsive design issues when your website doesn't display correctly on phones and tablets.
Check Your Current Theme
Most modern WordPress themes are mobile responsive by default, but older themes may not be. If you're using an old theme, this could be the root cause.
- Log into your WordPress admin dashboard
- Click "Appearance" then "Themes"
- Check the theme details - look for mentions of "responsive" or "mobile-friendly"
- If your theme is outdated, consider installing a new WordPress theme
Test Your Website on Different Devices
Before making changes, identify exactly what's wrong:
- Open your website on your phone's browser
- Test on both portrait and landscape orientations
- Check if text is too small to read
- Look for content that gets cut off or overlaps
- Test buttons and links - are they easy to tap?
Fix Common Mobile Display Problems
Text That's Too Small
- Go to "Appearance" then "Customize" in your WordPress admin
- Look for "Typography" or "Fonts" settings
- Increase the base font size to at least 16px
- Save your changes and test on mobile
Images That Don't Scale
- In WordPress admin, go to "Appearance" then "Customize"
- Find "Additional CSS" (usually at the bottom)
- Add this code:
img { max-width: 100%; height: auto; } - Click "Publish" to save
For more help with image issues, see our guide on images not loading properly.
Content That Overflows
- In "Appearance" then "Customize", find "Additional CSS"
- Add this code to prevent content from breaking out of containers:
* { box-sizing: border-box; } body { overflow-x: hidden; } - Save and test on mobile
Check Your WordPress Plugins
Sometimes plugins cause mobile display issues:
- Go to "Plugins" in your WordPress admin
- Deactivate all plugins temporarily
- Check if your mobile display is fixed
- If it's fixed, reactivate plugins one by one to find the problem plugin
- Remove or replace the problematic plugin
Use Your Browser's Mobile Testing Tool
Most web browsers have built-in mobile testing:
- Open your website on a computer
- Right-click and select "Inspect" or "Inspect Element"
- Look for a mobile phone icon in the toolbar
- Click it to see how your site looks on different devices
- Test different screen sizes from the dropdown menu
If you're still stuck with mobile responsive issues, contact our technical support team for help. Include screenshots of how your website looks on mobile and describe the specific problems you're seeing.
Last updated: 1 March 2026