One of the simplest qualities might be Pages, rather than hits, especially if your web site is content driven or funded by advertising. If you are publishing software or other download-able content, Downloads is an important metric to follow. Figure 3 introduces additional quantities that could help determine the quality of a referrer. Average Steps tells you,on average, how many non-graphic hits each visitor from that referring domain had as they navigated through your site. This can be especially important when you are delivering advertising, as it tells you how many potential impressions each visit from a given referrer had.