You carefully scrutinize your work before you launch a new Web site. Once you do that knowingly or unknowingly you are entering the crazy world of search engine optimization (SEO). SEO is not a onetime deal and you have to stay on it constantly in order to get you in front of all others who are fighting for your seat.
Adding new content to your Web pages is one way you can try to stay on top. Adding new pages help you to climb on the ranking but keep in mind you may be making some of the existing material on your site obsolete. It is a good idea to revisit existing material to make sure they are linked to your new material and still valid. One other thing to check is whether your new material conflict with any existing materials. Also, if you think that your new material is more important than existing, do not bury them on your pages. Give them the due prominence by rearranging your pages and do not place them too far away from your home page. Make it a habit to revisit existing material when you add new material. Instead of adding new to one place consider adding to many pages by updating all.