Unique User Check.

This is a ping endpoint to determine if the user is unique or not.

Headers

If-Modified-Since

string

If this exists, then user exists in cache and is not a unique user.

Query Parameters

u

string

Optional query parameter that is the current host and pathname of the page.

Response

200

text/plain

OK

This is set to 0 if the user is a unique user, otherwise 1.

Example:

"0"