Quality, unique content. One of my websites used to have 70%, after I insert quality content now is around 45%
Only good quality content can help you in this case. Its because, visitors were not satisfied with your content for which they are looking for.
create more content, optimize your internal link, make all the related internal link obvious on the related article
for lower bounce rate unique content is important but interesting, relevant, attractive and quality content is most important.
create more service oriented pages and put useful information including tips, advantage so people come again to your site and not closed your site.
Usually, In most of the cases, The main cause of high bounce rate is low quality content so I would like to suggest just make sure for this your self whether your content is having the capability to retain the visitors of your site at certain extent of time!
Make the relevant content for the visitors, low pageload time for your site , effective design and improve the sidebar of your blog.These things will really help in getting low bounce rate.
you have to make your site not only user friendly. You have to make site visitor friendly and search engine friendly too.
Most importantly: Analyze the keywords from where the audience is coming up. Notice the keywords that are leading maximum bounce ratio... and try making separate pages for them (or modify content so that audience from those keywords find your content interesting) A few more things you can do about it are: - Provide quality content - Make your website's navigation easy - Improve loading time - Remove annoying elements from your page like pop ups, external toolbars - Use right and relevant description for your pages - Remove auto-play videos - Integrate search box at the top