Website builder preview ends with 404 error
When opening the website preview in the builder, you may sometimes see a 404 error. The most common reasons are: Session cookies blocked inside the iframe. The preview is loaded inside an iframe. Some browsers restrict or block session cookies in iframes for security reasons. As a result, the preview cannot maintain the correct session and returns a 404 error.Missing nginx rewrite rules. The website builder runs under nginx. If the required rewrite rules are not configured in the nginx settings, preview requests may not be routed correctly and will result in a 404 error. What you can try: Open the preview in a different browser or in a private/incognito window.Temporarily disable strict tracking/cookie-blocking extensions or settings.If you manage on-premises website builder server yourself, make sure the nginx configuration includes the required rewrite rules. See how to configure nginx rules on this page.
› › ›

Website builder preview ends with 404 error

When opening the website preview in the builder, you may sometimes see a 404 error. The most common reasons are:

  • Session cookies blocked inside the iframe. The preview is loaded inside an iframe. Some browsers restrict or block session cookies in iframes for security reasons. As a result, the preview cannot maintain the correct session and returns a 404 error.
  • Missing nginx rewrite rules. The website builder runs under nginx. If the required rewrite rules are not configured in the nginx settings, preview requests may not be routed correctly and will result in a 404 error.

What you can try:

  • Open the preview in a different browser or in a private/incognito window.
  • Temporarily disable strict tracking/cookie-blocking extensions or settings.
  • If you manage on-premises website builder server yourself, make sure the nginx configuration includes the required rewrite rules. See how to configure nginx rules on this page.

People also found this article using these queries:

  • The website builder preview finishes with a 404 error.
  • The preview in the website builder results in a 404 error.
  • Viewing the site in the builder ends up with a 404 error.
  • The builder’s preview mode returns a 404 error.
  • When previewing in the website builder, a 404 error appears.
  • The site builder’s preview leads to a 404 error.
  • Using preview in the builder triggers a 404 error.
  • The website builder shows a 404 error after previewing.
  • The preview function in the builder gives a 404 error.
  • The builder preview concludes with a 404 error message.
  • Previewing the website in the builder ends in a 404 error.
  • The preview page in the builder returns a 404 error.
  • The website builder’s preview results in a 404 error page.
  • When using preview in the builder, a 404 error is displayed.
  • The builder preview ends up displaying a 404 error.
  • The preview feature in the website builder shows a 404 error.
  • The builder’s preview page loads a 404 error.
  • Previewing via the website builder yields a 404 error.
  • The website builder preview function ends with a 404 error.
  • The preview option in the builder ends in a 404 error.