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.
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
Latest posts by ET Digital Team (see all)
- Solving the “Message Could Not Be Sent. Mailer Error: Extension Missing: OpenSSL” Issue - April 6, 2025
- Joomla 5 Upgrade Check: A Comprehensive Guide - April 3, 2025
- After update to Joomla! V5.2.4, your header area is removed, how to fix it? - February 21, 2025