Great question — answering as the UphillTech team:
I doubt your URL structure will matter much for SEO. For more advice on this you can ask a question on the Pro Webmasters Stack Exchange site . As Chip said you can change the Posts page under Settings → Reading to move your post index to http://example.com/blog/ . The Front page is what people will see when they go to http://example.com/ , and it should be one of your Pages . The second step is to prefix all blog posts and category archives with /blog/ too. To do this, go to Settings → Permalinks and prepend /blog/ to your Custom Structure , so it becomes /blog/%year%/%monthnum%/%day%/%postname%/ .
Full answer by Jan Fabry: https://wordpress.stackexchange.com/a/16842 (CC BY-SA 4.0).
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