Do you get this error on every page or only on particular ones?
A 503 Service Unavailable Error is an HTTP response status code indicating that a server is temporarily unable to handle the request. This may be due to an overloaded server or a server that’s down for maintenance.
If your site is still available occasionally log in to your admin dashboard and install the plug-in query monitor. It will tell you the total loading time and memory consumption of your site. If it is very high there will be red-colored errors and you need to bring down the loading time of your site.
Also, check the WordPress debug.log file for errors in any of your plugins:
https://wp-staging.com/docs/enable-wordpress-debug-log-mode/
Do you get this error on every page or only on particular ones?
On every page.
The loading time and memory consumption are working fine. there is no load on our website.
Regards,
http://www.zpropd.com website info
Homepage
Title: Not Acceptable!
URL: http://www.zpropd.com/
Webserver
Signature: cloudflare
Response status code: 406
Response speed: 4985 milliseconds
HTTP headers
CF-Cache-Status: MISS
CF-RAY: 58f270b04a8ef246-ORD
Connection: keep-alive
Content-Type: text/html; charset=iso-8859-1
Date: Wed, 06 May 2020 11:42:51 GMT
Set-Cookie: __cfduid=d91c99a61d547b8ba6401a2f69bd3a9ac1588765370; expires=Fri, 05-Jun-20 11:42:50 GMT; path=/; domain=.www.zpropd.com; HttpOnly; SameSite=Lax
Transfer-Encoding: chunked
Vary: Accept-Encoding
cf-request-id: 028b64c22f0000f2463aa4c200000001
