SEO Checklist_ A step-by-step plan for fixing SEO problems with your web site ( PDFDrive )

Look at your page above the fold.
I’d actually recommend resizing
your browser to 1024x768 (most
people use this resolution or
something higher these days
according to W3Schools.com -
http://www.w3schools.com/browsers
and seeing what is above the fold on
your site.
Once resized, is there meaningful
content? If you removed the
adverts from that area, would it still
offer value to the visitors in terms
of the other content above the
fold? This is also an interesting test
for your page as a whole. If you
remove the adverts from a page,