The spiders scan the pages and add the keywords to their databases. You compete with thousands of websites daily for similar keywords. Apply keywords that match your content. Using misleading keywords is not recommended, and is risky. Register pages for all the individual search engines, and keep on top of changes.
Every search engine has a different method, and they change frequently.
Be careful not to use those quick one-time services without checking them out first. We know how to maximize the current trends, and we hope to give you some direction about how the web works here on our site, as well as showing you results in your online venture.