Search "bots", sometimes called "spiders", are programs that will from time to time visit your pages to gain information about them. When a program such as these accesses your page, it gains the information it needs from META tags in your web page's HTML markup. So, in order to get better results in sites like Google, you need to make sure you use good META data! These programs can also usually detect if a page is trying to trick it, so adding in irrelevant META data will not help you.
- META Keywords are words or phrases that "tag" or categorize your page.
- A META Description is a quick line or two about your site or page that the search "spiders" will keep and possibly store somewhere with other data about your site. This is a more verbose description of your page than what the META Keywords provide.
Please note that not all bots will properly recognize these settings. Bots from more well-known and respected search engines will most likely correctly check these settings and handle them properly. Improperly programmed bots may simply ignore these settings and continue on processing your page no matter what.