Third parties like Facebook require you to verify your domain. This ensures that you are the correct owner of your Shopify store before they offer their services to you.
To verify your domain, you must disable password protection for your online store. If you are not ready to open your store, you can disable password protection and then enable it again after verifying your domain.
To verify your domain.
a . From your Shopify admin, go to Online Store> Themes.
b. Find the theme you want to modify, then tap Actions> Edit Icon.
3. In the Layout section, click on Liquid theme to open the file in the online code editor.
4. Paste the meta tag you copied onto a blank line just below the open <head> tag:
5. Click to Save.
6. Complete the verification steps on the Facebook site, and your verification will be done.
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