A truly helpful search engine would ...

Enable the user to filter out the following:

All but the original postings of text and direct links to accessable text including news articles.

Any page which opens with an ad.

A site that is not being maintained.

All results where advertising occupies more than 25 percent of the landing page.

All sites that make you sign up to proceed .

All texts that are Pdf or Jpeg

Users should be able tailor search to his or her own needs.