There is no right answer to this other than to measure what is currently working in the search engines -- that's what OptiLink is for. At Google, the on-page density carries almost no importance. As long as...

Probably both, with title being the more important of the two. Google appears to rely almost exclusively on the title in terms of on-page factors.

There are a number of techniques I recommend to clients depending on specifics, but, while it may look good, in no case is a graphical link a good ranking tool. Because the engines do not appear to use...

It is pages themselves that actually create PageRank. Links just spread it around. So to get high PR on one page, will require that you give up PR somewhere else, or you get links from other sites....

In one word, no. Every page at Google is ranked by itself, not as part of a collection of multiple pages from a single site. It may be that the spidering of a site for inclusion into the index...

Have you bought a technical book lately? I do that rather a lot, and the price of books is just incredible! Software by contrast is a product that continues to decline in selling price (for a given function) at...

That would be diluting, not strengthening. Strong reputation is where all the links say the same thing. If they say different things, it weakens the original reputation in return for, equally weak, reputation on the additional terms. But...