Some efforts are needed to boost the page ranking. The important variables that you need take care are the incoming links, relevancy of the page, keywords should be used in the appropriate place, hyperlinks should be used effectively and processing time should be very less. Twitter and FaceBook can help the same. Always prepare your media list and write press releases when needed. You can also use your won tactics. Always evaluate your website, if it is able to handle the increasing visitors. If the website goes slow, check the database connection or remove any unwanted data on the website. Please share your view on this.