the consensus is that sitemap.xml works best for rapid discovery of new content -- it's not very good for discovery of deep content the crawler can't get to bec

the consensus is that sitemap.xml works best for rapid discovery of new content -- it's not very good for discovery of deep content the crawler can't get to because of the aforementioned paradox (that is, if Google can't see you linking to your own page, it is disinclined to let the sitemap link matter)