I run a travel and tourist site for San Juan Island Kulshan.com . A long time ago we wrote up reviews for all the islands, the major towns, and the high tourism attractions. The site is structured this way: We also create a Google Site map giving the home page has the highest priority, the islands the next highest, the cities a lower priority and the individual write-ups the lowest priority. All pretty standard. However, when we started to look at the reports from Google Webmaster Tools we saw something very disturbing: We were telling Google about 220 pages, however only 93 had been indexed. Why was this? We presumed it was because there where no external links to the leaf pages (the individual reviews of restaurants, parks, beaches, and trails). Google crawler was doing exactly what we asked, traverse the high priority pages in the site map and leave the low priority pages. The leaf pag...