You may display ads on more then one site using your google adsense account.  The more sites you have displaying revelant google adsense ads, the more profit you can earn.  You don’t even have to notify google of the new sites displaying ads. However  any new site that  you add must conform to google adsense program policies, because if your account gets terminated for any reason, you would not be able to display the Google Adsense ads on any of them.

Google gives you options for adding new ad-zones to your google adsense account, these ad-zones help you keep track of how well your ads are performing on that site or section of that site. Good placements of the ads are key thing to keep in mind, you dont want your ads to appear as ads, you want them to appear as a solution to your visitors.

How much of a profit can be earned having more then one site displaying google ads? 

How much you will be earning will depend on how much the advertisers are willing to pay per click. It will also depend on the keywords required. If the keywords are in high demand by the advertiser, you could receive more cost per click. On the other hand, low demand keywords will earn you just a few cents per click.

The fact is google adsense will tell you everything you need to know – for free. They have a support site that covers virtually everything you would need to know about the program and experience will teach you the rest, on the other hand thats where articles and guides pay off, keep reading and learn about the system.

Google AdSense is a fast and easy way for website publishers of all sizes to display relevant and text-based Google ads on their website’s content pages and earn money in the process. The ads displayed are related to what your users are looking for on your site. This is the main reason why you both can monetize and enhance your content pages using AdSense.

How much you will be earning will depend on how much the advertisers are willing to pay. It will depend also on the keywords required. If the keywords the advertisers have chosen are in high demand, you could receive more dollars per click. On the other hand, low demand keywords will earn you just a few cents per click.

How can you start making profits out of your website using AdSense?

1. Sign up for an AdSense account. It will only take a few minutes of your time.

2. When the site is accepted, you will be receiving a clip code to include in your web pages. You can insert this code on as many pages or web sites that you want. The AdWords will start appearing immediately after.

3. You will be earning a few cents or some dollars per click when someone starts clicking on the AdWords displayed on any of your web pages. Trying to earn false revenues by repetitively clicking on your own ads is a no-no. This will result in a penalty or the possibility of your site being eliminated. The money you have already earned may be lost because of this.

4. View your statistics. AdSense earnings can be checked anytime by logging into your web site account.

Once you got your account working, you may still want to pattern them to the many sites that are earning more money than you are. It is important to note that there are factors affecting how your website will perform and the amount of money it will give you.

It is a common practice that when a site earning money, the tendency is for the owner to want to make more out of what they are getting already. It usually takes some time combined with trial and error to attain what you want for your AdSense contents.

Time and some important factors that you can practice and use

How do you increase your AdSense earnings?

1. Choose one topic per page. It is best to write content for your page with just a few targeted phrases. The search engine will then serve ads that are more relevant which will then result in higher click-through.

2. Using white space around your ad. This can make your ad stand out from the rest of your page so visitors can spot them easily. There are also other choices of colours you can use, provided by search engines, which can harmonize the colour of your ad with the web page colour.

3. Test your ad placement. It is recommended to use the vertical format that runs down the side of the web page to get more positive results. You can also try both horizontal and vertical formats for a certain period of time to see which one will give you better results.

4. More content-based pages. Widen the theme of your website by creating pages that focus more on your keyword phrases. This will optimize the pages for the search engines. It can not only attract traffic but also make them more relevant for the AdWords to be displayed.

5. Site Build It. This is the perfect tool to be used for creating lots of AdSense revenues. Site Build It has all the tools necessary to quickly achieve a keyword-rich site that can rank high in the search engines. This will also produce a flow of traffic to your site of highly targeted visitors.

Uchenna Ani-Okoye is an internet marketing advisor and co founder of Free Affiliate Programs

For more information and resource links on AdSense visit: Adsense Tips For Beginners