I haven't detailed information about guest blogging. I have just learn about guest blogging from some articles but i haven't any guest blogging site. So someone please suggest me some sites that i can easy to use for guest blogging to get more detail about guest blogging.:)
What you need to do is to search similar blogs to your site which accept guest blogging, normally those blogs which accept guest post they mention on their site so you have to search in Google with the keyword of your site and go each blog manually and send request that you want to send a guest post..
search for "guest post" + "your keyword" to find a list of websites allowing guest posts and then email them or apply through the procedure mentioned there. You need to have a great quality unique article for that.
If you want to get related guest blogging sites list, then you can use this search query in Google “Keyword Phrase” + “become a contributor” OR “contribute to this site” .. I hope you will get some quality and niche related guest blogging sites ...