Most adsense tips are dated, however this next no brainer adsense tip is yummy fresh:

If you are still only using one link unit per site, go add more of them!

Simple as that. I’m still in the process of adding a second and third link unit to some sites, however I’ve already noticed my adsense increasing. Check it out for yourself:

It’s a good thing also because my affiliate earnings are sucking this month (isn’t that how it always works though? win one just to lose another? but I digress)

Maybe you missed the announcement, here it is again: Three Link Units Allowed Per Page Baby.

Link units are incredibly easy to fit into a layout and are decent earners, plus you can now have three of them per page. In conclusion:

If you are still only using one link unit per site, go add more of them!

Of course you should only do this if your best interest is in making more money ;-)