Google Site Links are popular sub-pages of web site under a domain. They are listed as a help so that you can browse parts of a websites most popular pages. To get them you have to rank number one for a search term in Google. For example Hoover Web Design has them because we rank number 1 for the search term “hoover web design”. Try entering your websites name to see if you have any site links.
Unfortunately, you can’t control which pages get listed under Site Links. Google automatically chooses Site Links and they change from time to time. If you do manage to get them it’s great! Having more links to your website is always great....

The Google Toolbar's feature displays a website's PageRank between number 0 and 10. Google has not disclosed the precise method for determining a Toolbar PageRank value. Google representatives, such as engineer Matt Cutts, have publicly indicated that the Toolbar PageRank is republished about once every three months, indicating that the Toolbar PageRank values are generally unreliable measurements of actual PageRank value for most periods of the year....
Here there are some advices that can help you to increse your page rank:
1. Join forums related to your website, forums are a great way to achieve links to your website. Your websites presence is very important to your survival. The more people see, or hear about your website the more credibility you will have and this increases your chances of having these visitors come back and possibly become leads....
PageRank is a link analysis algorithm that assigns a numerical weighting to each element of a hyperlinked set of documents, such as the World Wide Web, with the purpose of “measuring” its relative importance within the set. The algorithm may be applied to any collection of entities with reciprocal quotations and references.
Google Page rank is based on back links. Back links are Links pointing to your website from another website. The more back links you have the higher your PR will be. But be carefull becose if you link to spammy sites, it could possibly lower your page rank....