You can use SEO tools like keyword analyzer, Meta Data, tagging etc which emensely increases the page ranking.

Create Unique keywords, and ensure that you do not repeat the words too many times just to increase the keyword nos. SE robots n spiders consider it equalent to spamming.

best way is to get your website reffered by websites which have good page ranking. Robots then assume that your website is also good, as the same have been reffered by reputed websites

if your using Firefox, you will get many SEO tools as addons, which can be used for instant analysis of yours and other pages. If you are not using firefox, then switch to it)