When adding keywords to metadata on a Web page it's important to know how useful or successful the words will be. Your SEO strategy should be built around optimizing your pages for particular search terms. If you target the wrong words, then your efforts will be a waste of time. To discover the popularity of terms check out www.keywords-analysis.com/
Some people use validators to check their HTML pages before posting them. To use a validator, the document should start with a DOCTYPE declaration. According to HTML standards, this declaration should specify which version of HTML the document uses. Browsers ignore DOCTYPE declarations, so if you're not validating pages, including such code is unnecessary. But if you do include DOCTYPE declarations, make sure they're correct. The W3C has a page of them at www.w3.org/QA/2002/ 04/valid-dtd-list.html
For those getting started with cascading style sheets, a great resource at www. jessett.com covers the basics of creating a website, usability, html, Dreamweaver, dhtml, and links to a bunch of other resources. A wealth of information here gives you more than enough to start you designing efficient and stylish websites.
When using Internet Explorer, to see what an image will look like in an 800x600 window, type "javascript: resizeTo(800,600); moveTo (0,0);"
in the Address Bar and click OK. This resizes the browser window to 800x600 and positions it in the upper-left corner of the screen. You can do the same thing with 640x480, 1024x768, and other resolutions just by entering different values. You can also add these commands to the Links Bar for future testing, by dragging the page icon from the Address Bar to the Links Bar. You
will get a warning saying this may be unsafe, but ignore it. You can also rename it 800x600 so that it takes up less room.
When creating a form field, you can limit the amount of text that can be entered in the form using the maxlength attribute: