Adding a sitemap might help Google index the old pages better. Adding date-based archive links (like many blogs do) would probably help as well (making the site

Adding a sitemap might help Google index the old pages better. Adding date-based archive links (like many blogs do) would probably help as well (making the site structure more like a tree and less like a list). https://www.google.com/webmasters/tools/docs/en/protocol.html https://www.google.com/webmasters/tools/docs/en/protocol.htm...