Turning onadvanced website indexing generatesan index for the websites that you specify when you create your data store. Youcan turn on advanced website indexing in the following situations:

• When you create a data store for website search. The data store creationprocess lets you turn on advanced website indexing.
• When you upgrade your data store from basic website search toadvanced website indexing.

A data store is indexed using advanced website indexing only after asuccessfuldomain verification. Using advanced website indexingimposes a quota on the number ofpages that you can index. You canupgrade this quota if necessary.Advanced website indexing incursadditional cost. For moreinformation, seeAdvanced website indexing.

You cannot turn off advanced website indexing for an existingdata store. Instead, you must create a new data store, and during the data store creationprocess, don't select theAdvanced website indexing option.

To turn on advanced website indexing for an existing data store that usesbasic website search, follow these steps:

1. In the Google Cloud console, go to theVertex AI Search page.

   AI Applications

2. In the navigation menu, clickData Stores.

3. Click the data store for which you want to turn on advanced website search.

4. On your data store page, in theType row, clickUpgrade.

5. In theVerify your domains pane, verify the domains either by domainassociation or by verifying domain ownership. For more information, seeVerify website domains.