4. The method of claim 2 , further comprising: identifying all location terms within the content of the webpage; for each location term, associating the location term with a latitude and longitude pair, and mapping the location term based on an associated latitude and longitude pair; counting, for each latitude and longitude pair, a number of mapped location terms for the latitude and longitude pair; clustering latitude and longitude pairs into predefined regions based on counted numbers of mapped location terms; and determining that one of the predefined regions has a number of mapped location terms that exceeds a threshold ratio relative to a number of all mapped location terms, wherein determining that the webpage corresponds to the single geo-location is based on a determination that the one predefined region has the number of mapped location terms that exceeds the threshold ratio.
2. The method of claim 1 , further comprising: determining, in response to determining that the keyword is a multi-geo intent keyword, that the webpage corresponds to a single geo-location; and refraining from providing the keyword as the suggestion to the advertiser for bidding, based on the determination that the webpage corresponds to a single geo-location.