How to Filter Subdomains Traffic in Google Analytics

Applying filters so each profile only shows traffic on the domain it was set up for. Here is how we can add filters in the Google Analytics Admin(Considering 2 accounts - main domain only and subdomain only):

First of all, select the drop-down profile for the main domain and now “add filter”, new screen would be displayed like this:

A. Main Domain only: 

1. Select “Add new Filter for Profile”
2. Filter Name: “Base Domain Only” (or your own description)
3. Filter Type: Custom Filter
4. Select “Include”
5. Filter Field: “Hostname”
6. Filter Pattern: (www\.|^)yourdomain\.com
7. Case Sensitive: No
8. Save it.









B. Sub Domain only: “Add filter” like below:

1. Select “Add new Filter for Profile”
2. Filter Name: “Subdomain Only” (or your own description)
3. Filter Type: Custom Filter
4. Select “Include”
5. Filter Field: “Hostname”
6. Filter Pattern: sub\.yourdomain\.com
7. Case Sensitive: No
8. Save it.