Technics of base adsense actually have been many studied various by forum or various site studying about this adsense.This in elaborating also by google at Optimation Tips.
Format Ad Units
Ad units assumed most profits is which is in the form of rectangle and has format 250x250, 300x250, 336x280.

Avoids format 468x600

For vertical advertisement is suggested with format 160 x 600.

At site using layout 2 column is not make vertical advertisement.
While for the things using layout 3 vertical column,advertise can be put down middle between main content with sidebar navigation site.
AdSense For Search
Put down box AdSense For Search on course is to sidebar or your situs right corner.

Link Units
Avoids usage of fairish Link Units 468x15.

Better apply fairish Link Units 728x15 ( contains advertisement 5 units) and put down part of header your site,so that for visitor will have impression that it is menu navigasi,not advertisement.


From experience of various publisher Link Units gives contribution of earnings that is is not a few even can be bigger compared to Ad Units.
Stand-out or Blended
Stand-out is usage of colour assertive at advertisement unit which you are tide so that more draws attention.

Blended is usage of colour at Ad units or Link Units which one with colour background layout your site.

If you applies technics of blended, ascertained that quad colour units and its the border is same or as of tone with colour layout background your site.
Advertise Lay Out
Put down advertisement on course where visitor will see it is without having to
scroll, there is 1 quad units stays at top your site.
Doesn't collect quad units by one point of ,advertise to spread over at various this location.This is to avoid impression that your site are MFA.
( Made For Adsense : site which its the content a few and only wish to show advertisement of its(the adsense is only ).
Put down 1 just unit quad between article titles and contents of article,if main content of your site a few.