Prevents Google from showing a Site Links search box.
https://support.google.com/webmasters/answer/79812
Widgets · Site Search
Get access to data on 496,043 websites that are Google No Site Links Search Customers. We know of 225,595 live websites using Google No Site Links Search and an additional 270,448 sites that used Google No Site Links Search historically and 105,605 websites in the United States.
Get a list of 496,043 websites using Google No Site Links Search which includes location information, hosting data, contact details, 225,595 currently live websites and an additional 145,023 domains that redirect to sites in this list. 270,448 sites that used this technology previouslyand 105,605 websites in the United States currently using Google No Site Links Search.
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