You must specify the site's domain.
The specified name is shown on the My counters page and in the upper menu for switching between counters. If it is not set, the Site domain name is used instead.
The main domain of the site. Required information. Don't include the prefix of the schema or protocol (http://, https://).
You may need to enter additional domains in the following cases:
Click-throughs between all of the set domains are interpreted as internal clicks.
If the report shows data on page views that don't belong to your domain and you don't need this data, select Receive data only from specified domains.
This situation can arise in the following cases:
The Including subdomains option lets you include subdomains of the main site and additional sites for filtration (subdomain.example.com, other.subdomain.example.com, ...).
This is how long a user is inactive on the site. When the specified number of minutes has passed, the session will be considered ended. The session timeout must be an integer between 30 and 360. By default, it is 30 minutes.