Google’s Zineb Ait Bahajji announced that going forward, Google will try to index HTTPS pages first, before the HTTP equivalent page. That means that if your site’s internal navigation references the HTTP URLs, Google will try to see if the same pages work on HTTPS. If they do, Google will index the HTTPS version and show those pages in the search results.
Google said, “Today we’d like to announce that we’re adjusting our indexing system to look for more HTTPS pages… Specifically, we’ll start crawling HTTPS equivalents of HTTP pages, even when the former are not linked to from any page… When two URLs from the same domain appear to have the same content but are served over different protocol schemes, we’ll typically choose to index the HTTPS URL.”
Read the full article by Barry Schwarz on Search Engine Land »