Bounce Rate is the percentage of those visitors who visit your site and go back without visiting any other page or navigate your site. For example, a visitor come to your blog from search engine and then he leave your blog just visiting that page and never visit any other page/post of your blog. If your blog has a lot of such type visitors then it causes to increase in Bounce Rate, which is poison for your blog, blog rank and traffic.

Bounce Rate must lower to increase the rank and visibility to search engine.

2- Design the layout which attract the visitors and insist him to navigate within your site.

3- Keep the widgets which cause to busy the visitors within your site.

4- Put the Ads of your Own posts links, so that if users may click on them, they will remain on your site.

5- Be attentive while putting ads on your site. Remember that ads will take your visitors out.

1- All types of ads take the users away from your site. It is fact that ads cause to generate revenue for the blogger but these are also big reasons to increase the Bounce Rate :-)

2- Slow page loading speed, user can leave the page by closing it or by pressing "Back" button on the browser.