ET Digital TeamWhen “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.
CONCLUSION
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
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