Traffic decreased suddenly

my traffic has decreased suddenly, may i know what can be the reason or error

Which tools are you using to monitor website traffic?
When did this decrease in traffic start occurring?
How long have you been using Cloudflare?

Thank You For Your Response.
I am using Cloudflare analytics for monitoring the traffic . the decrease started From April 9,2023. i am new to Cloudflare but i am using Cloudflare pro subscription

Have you made any changes to your Cloudflare configuration recently? Do you see a lot of blocked requests at

no, i just used the speed optimization services other then that i have not made any configuration and there is no data on the page you provided