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Getting ready·October 23, 2026·3 min

Does my website really need to be responsive?

Yes, it does. Most customers visit on their phones, and Google judges sites by how they look on a phone. Here is what responsive means and how to check it.

In this article
  1. 01Why is it a basic?
  2. 02How to check whether a site is responsive
  3. 03It's not the same as a "mobile-only page"

A responsive website changes its layout to fit the screen, whether you open it on a phone, tablet or computer. Since most customers visit a shop's website on their phones, it is a basic, not an option. Every website ISSYMO builds is responsive.

Why is it a basic?

  • Customers come on their phones. Almost everyone who arrives by tapping a link on Naver, Instagram or KakaoTalk is on a phone.
  • Google judges by the phone screen. Google reads and ranks websites based on how they appear on a phone. If your site breaks on a phone, you lose out in search too.
  • Call and booking buttons have to work. If buttons are tiny or overlap on a phone, customers just leave.

How to check whether a site is responsive

Make your computer's browser window narrow. If text gets cut off or a sideways scroll bar appears, it isn't responsive. On a phone, check that you can read the text without pinching to zoom and that buttons are big enough to tap with your thumb. Also check that tapping the phone number starts a call right away.

It's not the same as a "mobile-only page"

In the past, sites sometimes made a separate phone-only address starting with "m.". Today the standard is responsive design, where one address simply changes the layout. With a single address it's better for search, and when you make changes you only make them once.

Look at it on your phone first, then again on a computer. Do it the other way around and the phone screen becomes an afterthought.
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