Hello,
Guest posting is a good idea and it is a part of your digital strategy. There are hundreds of sites that you could target for your guest posting like CMO, Social media examiner, Design milk, Smashing Magazine, and more. They all for different kinds of works,
CMO is here when you are working for digital marketing it is a great chance that you know a thing or two about marketing in general.
Social media examiner is here when you thoroughly researched, detailed work that is written well, and they don’t intend to have guest posts diluting this reputation they now enjoy.
Design Milk, Design Milk is a website dedicated to modern design. It’s not confined to interior decorating.
Smashing Magazine, is focused on web development and design, and it looks for guest blog posts that are full of useful ideas, techniques, and tips for readers.
Marketing Profs is specially used for marketing so you need to have a lot of insight into this space to succeed with a guest post.