Users will visit your website for different purposes. -Transactional purpose To buy something -Informational purpose To find information -Navigational Purpose To visit your website and know about your company. If your website will fully targeting transactional purpose users and does not offer content for informational purpose users, you will experience bounce rate from informational purpose users. So think about all user purpose and try your best to give something to everyone.
place the google analytic code on every single page on your site and perform the bounce rate analysis on every page, for that way you can see which pages / posts you need to re-design. it is also matter the source of the traffic
choose relevant keyword and make site user friendly by which user can easily access what they want at that time, then bounce rate will be less than earlier.
Is your site plastered with pictures and other bells and whistles? Sure, that might look and work fine on your high-speed Internet connection, but users with slower connections may well be leaving out of boredom. Analytics tools can once again show if your pages often load slowly of break down, and tools can segment these problems by the types of connections your users have. It will help you to reduce bounce rate.
Try to use the user friendly words and explanation in your content of the website. Everyone needs to understand so that they will stay back in the site.