Quantcast ranks Google’s subdomains which can give you a rough idea how Google position for their products and the traffic level. Overall most of Google products showing decent growth, however Google’s main search engine tops the list with an estimated 136.6 million unique visitors in the U.S followed by YouTube which is the second with 70 million unique U.S, Google Maps-36 million, Image Search 31.7 million, and Gmail 10.5 million of visitors. visitors, and Blogger would be in the top 5 with 23.5 million. Here you can view Google’s 101 subdomains and their traffic level;
Quantcast: Data - Based on Rough Estimate
Top Subdomains People US People US %
