Guest blogs are an effective way to get website traffic and help improve your SEO ranking in a cost-effective way. A guest blog also helps you reach your audience by posting guests from high-traffic websites. To get customer and email traffic from guest blogs, you need to take into account that you are doing it right.
Identify your niche on the guest blog
Write good content. The content must be unique, fresh, grammatically correct and very informative. Always write content that people like.
Read the instructions about posting guests on the guest blog site and writing an email to the blog administrator.
After the content is published, you must respond to comments.
There are many free Guest Blogging sites where you can publish your guest post.
I am going to share here those sites which are are complete free and just need a sign up: