You can also add information to your page about who wrote it, what program was used (if any) to generate the (X)HTML code, and if it is copyrighted. Note, however, that search engines do not currently use this information (though they may some day), and browsers don't display it.
To control other information about your page:
Figure 24.6. You can use as many meta tags as you need.
Figure 24.7. The meta information is always invisible in the browser.