Since you use Cloudflare
here in the article as well as in the comments below,
it is stated how you can see the traffic to some extent
The version from the comments has now been slightly changed on CF
due to changes to Cloudflare and you need to use “skip”
You can also have a script on the hosting
which will record the traffic, but this is undesirable if it is a DDoS or larger traffic, because the script itself will then use the CPU, RAM, etc., and contribute to the suspension.
And of course, since you use Cloudflare, you have to convert the CF IP that the script will see into a visitor IP