If too many sites have begun to send notifications or if you need to shut out all the noise you should disable Google Chrome notifications. Doing so is pretty simple:

Here’s the direction:
Open the google chrome setting page.
Scroll to the bottom and click on “Show Advanced Settings”.
Under Privacy, Click Content Settings.
Then Select Do not allow any site to show desktop notifications.

Through this instructions, you can stop the website to send you a direct notification on your desktop