If you noindex all three of them Google won't be able to find your older posts. I noindex archives and tags to prevent duplicate content. It isn't necessary though so if you're not sure don't.
This reminds me that I need to check my noindex settings. I know I checked some to no index to avoid duplicate content, but I feel like it might be hurting my traffic.
This reminds me that I need to check my noindex settings. I know I checked some to no index to avoid duplicate content, but I feel like it might be hurting my traffic.
Checking those option could actually affect your traffic.