Alternatively just use EFF's privacy badger and duckduckgo to stop feeding the beast? Those are active steps you can take - I am not convinced a few metatags w

Alternatively just use EFF's privacy badger and duckduckgo to stop feeding the beast? Those are active steps you can take - I am not convinced a few metatags will stop Google spidering your site (even if it is invisible in results), and is of questionable value if you are still using Google search and not blocking their scripts.