Number of sites using Microdata and other formats are growing day by day. End of 2013 there has been 1,779,935 domains detected with 4,264,562,758 entities (mixed formats). To be specific, there are 463,539 domains, 276,348,609 URLs, with 1,964,777,851 entities using Microdata format. So here is a list of a few that this library can be tested with. Please add any further sites to the top. Using sc