米調査会社ComScore Networks Inc.によると、検索キーワードの中に特定地域を指し示す言葉、例えば郵便番号や都市・地域コードを含むキーワードの割合はわずか7% とのこと。
The challenge for search engines is figuring out where an Internet user is. Only about 7% of searches conducted in the U.S. include a local modifier such as a ZIP Code, city or area code, according to ComScore Networks Inc., a market research firm. (Search Engines Are Setting Their Sites on Local Businesses to Boost Ad Dollars / LA Times)