Just designing a good layout for your website is not enough, this is just fifty percent of your work done. You want to have a website which attracts plenty of visitors and cannot afford to have a shoddy website, can you? Hence what you should do is get your website design transformed to XHTML and streamlined versions, this would also enable your website to be SEO friendly.
1. With XHTML you should have coding which is clean so that your website loads without hitches.
2. Your website should work well across all browsers.
3. Your website should be marked up to allow XHTML and the content flow smoothly.
These days you cannot annul the popularity of PSD to XHTML conversion. For successful web designing PSD to XHTML conversion is a must. Yes, we know it is not easy to transform PSD to XHTML or even to have image formats converted to applied HTML or even CSS formats. However, if you have the right ideas and are creative enough, the task would be as simple as baking an apple pie. But there are some set rules defined for the conversion, which would include standards for coding as well.
REMEMBER : An inexperienced coder without proper knowledge of all set standards would not be able to give you the best results.