Also, I wouldn't necessarily limit yourself to a single page. Lots of companies have offline processes that are painfully slow, and are very good candidates for

Also, I wouldn't necessarily limit yourself to a single page. Lots of companies have offline processes that are painfully slow, and are very good candidates for optimization. I once worked at a company where I noticed an employee would come in over an hour earlier than normal on Monday mornings. It turns out she got in early to run a report that the CEO liked to see every Monday morning. An hour or two later I added an index, and refactored some SQL so that we could do more in a single query rather than N queries, and the report time went down from 45 minutes to 3 minutes.