1 ) Akismet : Spam comments will start attack your blog. So Akismet is the best plugin to catch spam comments and trash them automatically
2 ) All in one SEO Pack : From the best plugins for optimizing your website to the search engines and for fast indexing. Through this plugin you can set Title, Description and Keywords.
3 ) Google XML sitemaps : The best plugin to creating and indexing sitemap. No need for creating new sitemaps from time to time, and no limit on the number of the indexed pages.
4 ) Statpress SEOlution : The best plugin to monitor your website traffic and visitors. You can know that how many visitors visits your website daily, how they come, from where and who came from search engines and from which keywords.
5 ) AddToAny: Share/Bookmark/Email Button : The best plugin to share, bookmark and email your post. can share with so many top social like Digg, facebook, twitter, reddit, SU and many more…
6 ) WP PageNavi : An important plugin that will be added to your website footer to order your pages in numbers instead if the silly navigation ” Older Entries “.
7 ) Fast and Secure Contact Form : From this plugin visitor can left message to you and it will delivered in your email id which you added. You can set an auto respond with your desired too.
8 ) Smart YouTube : Through this plugin you can add youtube video with your seize and design. it is very easy to use with nice options.
9 ) Similar Posts : You can show similar post below of your blog post so that visitor may be read your similar post.
10 ) All in One Adsense : Now you will earn through your blog. Just need to add Google Adsense ADS to your website , there are many options where you can set your colors and place of your Adsense very easily .
I have wrote before that how to make money through google adsense!