in Cloudflare analytic I see 7 times more than normal traffic as you can see in below screen shot.
also I see 502 error one time today on one of my page.
you can see error analystic below too:
My quistion is that : is this Multiplication in Traffic momentary Normal ?
The Cloudflare Analytics are here to show the traffic that has been observed.
But I’m afraid they can’t help answering the “why” you’re seeing a spike.
You would need to check your traffic in more details, looking from pattern based on visitors location (IP/ASN/Country), URL accessed and also User Agent.