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# what is range of ECPM is good to have: how many times upper more than

## What is optimal ratio between higher ECPM and lower on one site?

#### net_rambler

9:27 am on Feb 9, 2007 (gmt 0)

#### Junior Member

joined:Mar 29, 2006
posts:80

Hello!

I have a few different "zones" on my site that have comparable amount of traffic with different ECPM, let say four...

It is just example and has no relation to actual numbers of my site:

zone one: traffic 20% , ECPM - \$10
zone two: traffic 25% , ECPM - \$8
zone three: traffic 30% , ECPM - \$1.5
zone four: traffic 15% , ECPM - \$7.6

some rest of traffic ~10% is spread around on some another pages...

All zones have own channels and do not affect each other explicitly, but could through smart pricing algorithm...?

As you you see that zone number three has considerably lower ECPM and brings down overall site's ECPM, but anyway contributes to total earning.

What is acceptable range between higher an lower ECPM. When should YOU stop show ads on your zone three?

My questions are :

1. What is unacceptable level of ECPM which you think better to throw away instead of trying to earn small amount of money... the lower ECPM in one zone brings total amount down probably

2. What is acceptable range between upper and lower ECPM until smart pricing will start reduce income? Have you experience or some intuitive feeling where is this border can be set?

#### net_rambler

1:04 pm on Feb 9, 2007 (gmt 0)

#### Junior Member

joined:Mar 29, 2006
posts:80

If it difficult to answer my questions you can just tell what is an average ratio between highest (in terms of ECPM) channel and lowest you have.

Example: highest channel One is about ~\$9 and
lowest channel two is about \$3.
Then ratio will be \$9/\$3 = 3

So, this number - 3 I will hear if you can tell it. Do not disclosure your actual numbers, just ratio.

#### net_rambler

1:43 pm on Feb 9, 2007 (gmt 0)

#### Junior Member

joined:Mar 29, 2006
posts:80

Mine is currently is about 3.5 by the way, is it high or low?

#### jomaxx

5:44 pm on Feb 9, 2007 (gmt 0)

#### Senior Member

joined:Nov 6, 2002
posts:4768

There are no fixed answers to this, and probably no answers that will translate usefully from site to site.

But to start with, you should keep in mind that eCPM equal to CTR * EPC. For a better picture of how your site works, you should look at the latter numbers separately.

#### net_rambler

12:03 am on Feb 10, 2007 (gmt 0)

#### Junior Member

joined:Mar 29, 2006
posts:80

>There are no fixed answers to this
yes,I understand it... but wonder is it wise to use adsense on pages where ECPM is 15-20 lower than on the rest of pages,
I have quite big tech tutorials section on the site, where people seem very ambitious on reading from the beginning to the end and do not click much on ads.
I did in site advertisements there - about another parts of the site, now try again to get some money from those pages..

#### net_rambler

12:06 am on Feb 10, 2007 (gmt 0)

#### Junior Member

joined:Mar 29, 2006
posts:80