About SEO friendly URL structure.
 

How to create SEO friendly URL structure..?

Take care of following points

Keywords in URL
Whenever possible, use a single domain & subdomain
The more readable by human beings, the better
Multiple URLs serving the same content? Canonicalize 'em!
Exclude dynamic parameters when possible
Shorter > longer
Match URLs to titles most of the time (when it makes sense)
Including stop words isn't necessary
Remove/control for unwieldy punctuation characters

in the first of all you have to search a keyword for your blog post Url and then the second thing which is important to reminding is the Url of your post must be short .

Use the name of your company in URL or the services your are providing use that,if name is big use "-" tag.