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Check available site domains. Check the availability of the name on social media. Make sure no one has a part of your blog name trademarked already.
If you’re using a blogging service, such as Blogger or Wordpress, check your name’s availability on their website. If you’re building your own blog, check on domain purchasing sites to see if anyone else has a similar or identical name. If the name is taken, it’s time to go back to the drawing board.  Blogs with a “.com” URL are often much more popular and successful. Make sure to use an available .com domain name, rather than less popular options such as .net or .info.  If you use blogging services, consider paying an extra fee to remove the “.blogspot” or “.wordpress” from your domain name. Having a simple “.com” domain looks much more professional and credible. Once you’ve chosen a name, run it through various social media sites, such as Twitter, Facebook, and Instagram. If your handle is taken on too many sites, you should probably alter it a bit or choose a different name. You can also run the name through http://www.knowem.com, which will search all major social networks. Be careful not to use trademarked company names in your blog name, such as Google or Nike. This may lead to legal issues, especially if your blog becomes a successful source of income.