Website keeps showing 520 error

[yfb1000]

The website always shows a 520 error, and I can’t open it for three days, I don’t know why? please help

[fritex]

@yfb1000

520 error

May I ask what steps for troubleshooting have you already tried from the article below about the 520 error you’re getting ?

• https://support.cloudflare.com/hc/en-us/articles/115003011431-Troubleshooting-Cloudflare-5XX-errors#520error

Community Tip - Fixing Error 520: Web server is returning an unknown error

Error Try the suggestions in this Community Tip to help you fix “Error 520: Web server is returning an unknown error”. Background Error 520 is essentially a catch-all response when something unexpected happens or when the origin server incorrectly interprets or does not tolerate a request due to a protocol violation or an empty response. A 520 error occurs when the connection started on the origin web server, but that the request was not completed. The most common reason why this would occur …