- You insert metatags into your HTML pages--do a search on google for an appopriate meta tag tutorial--there are oodles of them.
- To use cookies, check the manual--the function I use most is:
boolean setcookie ( string name [, string value [, int expire [, string path [, string domain [, int secure]]]]])
but its all detailed in the manual
- To learn how to use search engines--check with the search engines...
There are lots of sites that give you tips and tricks for understanding how search engines work.