Search indexers use complex algorithms to determine the order in which items should return in a search query. The factors include the number of times an item is linked to by other pages or items, the frequency of a keyword in the item, and the author of the item. As a result, it is not uncommon for items that are very important, but only use a particular keyword once or twice, to not appear at the top of the search results. For instance, a human resources site may have a number of blog posts and announcements related to retirement accounts. In addition, the site may have a document simply named Retirement Account Enrollment. When searching for information about retirement accounts, users may see results for the announcements and blog posts ahead of the enrollment document.
When the most important item, the enrollment document, doesn't return at the top of the search results, users may never find the item. To alleviate this, we...