"On-page optimization" refers to changes you can make on your website to get it ranked higher in search engines like yahoo, Google MSN etc. On page factors are directly related to the content and structure of the website. Onpage optomization includes:
* Optimization of meta title, meta description & meta keywords
    * Integration of static sitemaps, Google analytics & robots.txt
    * Addition of unique and appealing webpage content with adequately placed

keywords
    * Rectification of HTML errors & warnings on the website for W3C validation
    * Identification & removal of broken links on the site
    * Integration of image ALT tags
    * Verification of browser compatibility & loading time of the site
    * Removal of doorway or mirror pages

Features :

Title Tags. The "title tag" is a snippet of HTML code that should appear towards the very top of the code in every single HTML page on your website. It generally looks something like this:

Meta Tags. A common misconception amongst the general public is that meta tags are important. They are still useful, but they are not critical and they are much, much less important than they were a few years ago. Meta tags are also HTML tags, like the title tag, and they also appear near the top of an HTML page, generally right underneath the title tag. There are many different kinds of meta tags, but two are the most important and if you include no meta tags but these two you'll be just fine. The two types are the description meta tag and the keyword meta tag.