LOOKING FOR NEW WEBSITE TEMPLATES FOR NEXT PROJECTS?
When “Web server is returning an unknown error” is sent to you, this is a 520 error. You can check:
First, you need to attempt an alternate browser.
However, you enable to meet a problem with Rocket Loader feature when you use Cloudflare.
If you have any questions about this, don’t hesitate to leave a comment below, we will reply as soon as possible.
Credit: Elementor Official