There is one good resource that you should know if you want to check how popular web hosting company is: http://www.webhosting.info/
So according their stats 000webhost.com just got over 50,000 .com, .net, .org domains hosted! Check out our stats: http://www.webhosting.info/webhosts/...000WEBHOST.COM
Additionally currently host over 200,000 international domain names and over 300,000 users have chosen our free subdomains. So in total we have 600,000 active websites hosted and we should reach 1 million by the end of 2010!
Thank you for your trust.