Voi stiti ceva de NOODP si NOYDIR?

Use NOODP and NOYDIR. If you're listed in DMOZ or the Yahoo Directory, using the NOODP and NOYDIR meta tags will keep Google and Yahoo from messing up your carefully optimized titles and descriptions and replacing them with your un-optimized directory listing titles and descriptions. When search engines do this, it can have a significantly negative impact on your click-through rate.

To prevent Google from using your DMOZ title and description, use:

<meta name="googlebot" content="noodp" />

To prevent Yahoo from using your Yahoo Directory title and description, use:

<meta name="slurp" content="noydir" />

To prevent Microsoft from using your DMOZ title and description, use:

<meta name="msnbot" content="noodp" />

Or you can just target all of them at once like this:

<meta name="robots" content="noodp,noydir" />