AdSense crawler Display ads on login-protected pages

Once
your application has been approved, you can display Google ads on pages
behind a login by creating a crawler login. This will give the AdSense crawler access to visit your pages and deliver targeted ads.

To do so, you'll need to provide login details for your site, and
verify your site using the Webmaster Tools and other Webmaster resources
provided below. Please follow these steps.

1. Sign in to your AdSense account.


2. Click the gear icon and select Settings.


3. In the sidebar, click Access and authorization, then click Crawler access.


4. In the "Crawler access" section, click Add a login.


5. Provide the login details that our crawler will use to access your site.
   You'll need to provide the following information:
   
   
   
   
   
   
   • Restricted directory or URL: The URL that is blocked from our crawler's access.
   
   
   • Authentication URL: The URL that our crawler should visit to sign in.
   
   
   • Authentication method: The method your site uses to authenticate users who log in. POST and GET are common authentication methods.
   
   
   • Parameters: The credentials that our crawler
     will use to sign in (for example, your site's username and password).
     For GET and POST methods, please enter the URL parameter key-value pairs
     such that your server will return a cookie for logged-in access.


6. Sign in to Webmaster Tools
   using your Google Account. You must be using your Google Account in
   order for any changes you make in Webmaster Tools to be reflected in
   your AdSense account.


7. Add a site to your account by following these instructions. This should be the site that you'd like to allow our crawler to access.


8. After you've followed the instructions, on the next page, choose "Verify your site" under the >> Next step section. If you can't find it, return to the Webmaster Tools homepage and follow these directions.
   
   
   
   • Learn about verifying using META and verifying using HTML.
   
   
   • Learn more about verification in general at the Webmaster Help Center.
   
   
   • If you're having problems, see the Webmaster Help entry on errors for assistance.

Once you've verified your site, the login details that you have
provided should allow the AdSense crawler to reach your pages and
provide targeted ads.