Search engine spiders can not see the decorations in your blog or webpage. Neither can see the sidebar differently. They understand the characters.
In many topics ago, we discussed the importance of deeplinks to other pages, how much your navigation hierarchy is constructed well etc.
Here is free online SEO tool named spiderview which can help you a lot understanding how search engine spiders view your webpage.
It is better to tick the checkboxes: Show HTTPS-Links and Show No-Follow Links and then run the test.
Compare with several other well performing websites or blogs to understand the structure of your website as well as try to improve them.
For example, many of the users uses Flash menu; you will notice they are not present in the “spider’s view”.