Check for Spelling Errors
I think just about everyone will agree that a website that is filled with loads of spelling errors looks sloppy and unprofessional. Luckily, Dreamweaver includes a spell-checker that finds most spelling errors...
Preview your page in different browsers
Throughout the design process, it is critical to preview your work in a web browser to see how it will look once it’s published. Browsers like Microsoft Internet Explorer, Mozilla Firefox, and Netscape Navigator all have their own quirks: Colors, fonts, image and table properties can appear slightly different based on browser standards.
Some features may not even work on older browser, so it’s best to test your page with a variety of web browsers to ensure that your web pages look just as you’ve planned...
Ever had a whole heap of tables on your page and got confused about which is doing what and holding which content again... Here's how you can make sure you stay on top of all your tables and any other objects in Dreamweaver