Quality is delighting customers
Ways to increasing the performance of your website:
1. Create Effective Landing Pages
2. Improving Your Message
3. Give Your Visitors a Reason to Come Back
4. Make Better Use of Social Media
5. Measure and Monitor Your Results
I found this article on net ,hope this may help you.http://sixrevisions.com/web-development/10-ways-to-improve-your-web...
Your website should be validate by XHTNL validator.