might it cause problems with google spidering the site though might'en it?
Nope. I'd simply 302 redirect all http:// links to https:// and update the sitemaps accordingly.
Google do spider SSL pages and sites, and don't penalise you for having your site in SSL.
@Velocio started
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Nope. I'd simply 302 redirect all http:// links to https:// and update the sitemaps accordingly.
Google do spider SSL pages and sites, and don't penalise you for having your site in SSL.