Michael, the best thing to do for you would be to check Google Webmasters Tools and see what Google sees there as duplicate content.
This will help you decide whether you want or not to block /tag/.
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Michael, the best thing to do for you would be to check Google Webmasters Tools and see what Google sees there as duplicate content.
This will help you decide whether you want or not to block /tag/.
You may want to add a short description and custom titles for those tags. There are some ways to do that in WordPress.
This way your content will have something unique and will not be 100% duplicate.
Do you have any links from your main pages pointing to wp-login.php?
If not, the search engines will not know about that URL, so you can choose to not block it.
But if you have links to wp-login.php and don't want the page indexed, then you should block it.