Sunday, 29 July, 2007

Adsense Features

Let us look into some features that are given by adsense which make a publisher’s life a hell lot easier.

1. Channels:
Channels are primarily used to determine which type of ads or what pages are earning the most adsense revenue. Channels offer a deeper level of analysis than that provided by overall revenue reports. Channels allow to break down reporting to monitor the performance of sites, sections of sites or even individual ad units. Each time a channel is created, AdSense records impressions, CTR, CPM and earnings statistics for that specific page or ad unit. There are 2 types of channels that can be set up.

a. URL Channels: These can be used to track the performance of adsense for content. URL channels cannot be used for adsense for search. A URL channel can be added by simply giving the URL of the website on which you are using adsense. The URL being given can be a partial one or a complete one. Depending on the URL given this is how Google understands what to track: track all pages across all subdomains track only pages across the 'sports' subdomain track all pages below a specific directory track a specific page

It should be noted that entering your domain without the 'www' will allow you to track the performance of any subdomains, including and, for example, By entering as your domain channel, you will track all pages below only. Any activity on, or on any other subdomain, will not be tracked with this domain channel.

Note that so as to track your website using URL channels no change is required in placing the code on the website, just adding the website URL is sufficient.

b. Custom Channels: These can be used to track the performance of adsense for content as well as adsense for search. Custom channels can be used to provide answers to questions like:

• Which ad colors, formats and placements are most effective on my site?
• Which ad units are the highest earners on my home page?
• Do my ads perform better with or without a border?
• How does revenue for each of my adsense for search boxes compare?
• Are ad units generating more revenue than linked units on my pages?

To get the most out of custom channels, it is best to track each and every ad unit. This way one can have a core set of reports that you can use to aggregate data from all your ad units or to combine in different variations to gain deeper insight into your site's AdSense performance.
Another very important feature of custom channels is that one can make it available to advertisers for targeting (this feature is present only for adsense for content). That is once you make a custom channel available for targeting, advertisers will see your custom channel in the list of websites on which to place ads. Thus it is very important to give proper names and descriptions to custom channels as advertisers will decide to choose a channel so as to place their ads by looking at the name and description of the channel. Also if the name of an existing custom channel is changed, any existing advertiser bids for that channel will be lost.

A total of 200 channels for adsense for content (URL channels + Custom channels), 200 custom channels for adsense for search and 200 custom channels for referrals can be created. Note that so as to track your website using custom channels code needs to be generated for each of the ad units (in the process of generating the code snippet, one can associate a channel name to it, thereby a new attribute called ‘google_ad_channel’ is present in the code which is responsible for tracking that particular ad unit.).

2. Competitive Ad Filter
This is a feature given by Google so that no web site owner loses traffic to his competitor’s website. As my competitor’s website will more or less have the same keywords as those of mine, there is a very high possibility of my competitor’s ads being displayed on my website and vice versa. If I want to avoid my clients from going to my competitor’s website, through an ad displayed on my website, I can specify my competitor’s URL so that Google will not render ads of that URL on my website.

3. Site Authentication
Adsense basically works by determining the content on a website and rendering ads that are most suitable to that content. Determination of the content of a website is done by the adsense crawler. But what if a website needs authentication? How will the crawler access a website and determine its content?
So as to address this issue, Google has introduced the ‘Site Authentication’ feature. Thus website owners whose websites require authentication can also place ads on their website. This is the method one has to follow so as to utilize the site authentication feature:
Enter these 4 attributes:
• Restricted directory or URL
• Authentication URL
• Authentication Method (Get, Post, Plain HTTP)
• Login and Password.

On saving you will be redirected to Google’s webmasters tools and prompted to verify that you are the owner of the website. This can be done in 2 ways: either by uploading a specific file to a specific location that is given by Google, or by adding a meta tag to your website. Once this verification is confirmed by Google, all the pages of your website that are login protected will receive proper targeted ads as the adsense crawler will be able to access them.

Adsense Basics

Lets discuss a few things about Google adsense. Once you get your account approved you will have 3 different ways to make money.

1.Adsense for content
2.Adsense for search

For all the 3 types, Google gives a JavaScript code snippet, that can be placed on any webpage and ads will be rendered on the page immediately after placing the code. Let us know something about these 3 ways:

1. Adsense for content

Adsense for content is one the most widely used among the three. In this Google renders ads on your web page according to the content that is present on your web page. In Adsense for content there are 2 different types of ads you can place:

Ad Unit: In an Ad Unit ads are targeted to the site based on the content and the ads can be placed on the site in various shapes. Google currently provides 11 different formats of displaying Ad units. Thus the size of the ad can be selected depending upon the layout of the web page. One can choose whether the ads that are to be displayed should only be text ads or only image ads or both. Clicking on these ads will take you directly to the advertiser’s website. Upto 3 ad units can be placed on a single page.

Link Unit: In a link unit also ads are targeted depending on the content of the web page and occur in 6 different formats. Link unit displays 4 or 5 links without any description unlike the ad unit, where the ad generally consists of a short description. Link unit differs from an ad unit in another important way in that on clicking on a link displayed in the link unit, user is taken to a page that shows more relevant ads, instead of taking the user directly to an advertisers website. Upto 3 link units can be placed on a single page.

Advertisers bid for various keywords. And if these keywords are present on a website, ads will be rendered on that page. And the revenue generated when some one clicks on an ad depends on how much the advertiser has bid. Most of the ads that re rendered work on a CPC basis. That is the website owner gets paid only if the ad is clicked.

Adsense for search:

Adsense for search is simply including the Google search on your website. While set up itself one can choose whether to include the option of searching the website. That is the various pages Google has to search can be mentioned and thus the user visiting the website will be able to perform a regular Google search or search the website.

If a visitor to the website searches the web or the website using the Google search placed on the website, along with the search results at the top and bottom of the page, sponsored links will be displayed to the user. If the user clicks these sponsored links, the website owner gets paid for it. The ads being displayed and the amount of revenue generated al depends again on the same factors as that of adsense for content.


Referrals as the name suggests is referring users to use products such as adsense or adwords. Currently under referrals Google offers products under various categories Automotive, Business, Computers and Electronics etc. Under these categories are present various products which can be included so as to be placed on the website. Upto 15 products can be selected and these will rotate in the referral unit. The revenue generated to the publisher depends from product to product. Suppose if the product is adsense and a user has signed up for adsense by clicking on the adsense link on a website, that web site owner gets revenue in the following way:

When a publisher who signed up for Google Adsense through your referral earns US$5.00 within 180 days of sign-up, you will be credited with US$5.00. When that same publisher earns US$100.00 within 180 days of sign-up and is eligible for payment, you will be credited with an additional US$250.00. If, in any 180 day period, you refer 25 publishers who each earn more than US$100.00 and are all eligible for payment, you will be awarded a US$2,000.00 bonus.

Thus each product has its own set of rules for generating revenue.