Build search engine which can facilitate large db

Customers can be searched by categories or key words Customers are able to build their own pages Customer 1/ create templates Space for logo Space for addresses Space for multiple phone and fax numbers Link to send email Links to their URL Up to ten pages (where they can easily upload their own text and images) Name individual pages Uploaded images to be automatically optimize Text to have same range as windows Upload front page of their webpage including all links etc. 2/ create function where they can choose or create new category to be listed under 3/ function to list key words which they can be searched under 4/ View finished pages live however not to be added (except existing pages) 5/ view statistics for all their pages Admin A/ function to control ALL new pages / categories and key words Ability to add/delete all new customers before they are made live B/ ability to edit all existing and new pages/categories/key words C/ all statistics D/ master function on all browsers