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Recently throughout the blogosphere, a discussion has begun to gain steam about how exactly Google’s supplemental results are determined, and what steps webmasters can take in order to rescue these left-for-dead pages and return them to the main index.

In what can seem like a black hole of search results, Google’s supplemental index seems to be growing at a steady, almost ominous rate. As the company refines how it ranks and indexes pages, those left behind the curb are surprisingly finding themselves relegated to the "dead zone" of search. Escaping Google s Supplemental Dead Zone