What is Google Adsense?
Google Adsense is an ad program which enables people with websites and blogs to display relevant Google ads and earn money.
Adsense For Content
Adsense “reads” your page and will develop relevant ads to your specifications to display on your page. Adsense does not “read” images so the more text your page has on a subject, the more relevant the advertisement may be. If you have a page full of pictures, the advertisements shown may not be relevant to your topic. Whereas, if you have a healthy mix of quality content and images (or even just content) your ads should pertain to your topic.
Adsense For Search
AdSense for search is a free solution that allows publishers to place a search box on their site and earn revenue from relevant ads on the search results page. So each time a visitor searches your site for that “to die for” info, you could possibly be making money.
There are many ways to earn revenue with Google AdSense - AdSense for content and AdSense for search are two of the most widely available ways.
With AdSense for content, you'll display Google ads on your site. These ads can be either cost-per-click (CPC) or cost-per-thousand-impression (CPM) ads. For CPC ads, you'll generate earnings when your users click on the ads. For CPM ads, you'll generate earnings in your account every time the ad appears on your site.
AdSense for search lets you offer your users Google web search directly from your pages. By placing an AdSense for search box on your site, you'll generate earnings from ad clicks made by users on the search results pages.
You won't, however, receive revenue from user searches through your AdSense for search box. When users perform searches on your site, but choose not to click on the ads on the search results pages, you will not receive any earnings.
Google either sends you a check by mail or deposits the money straight into your bank account. A lot of people like to get their first payment in check form so they can frame it or use it as some sort of memento.
In order to be accepted into Adsense you must already have a website/blog. It’s best for your blog to be targeted to a specific niche rather than for personal reasons and have quite a bit of content.
I also suggest not having excessive advertising from other programs on your blog when you register for Adsense. It’s also best for your blog to be PG-13 as Adsense Program Policies say that the sites accepted into the program must not display pornography, excessive profanity, drugs etc etc.
I highly suggest building your site and adding content first for at least a few weeks before applying Adsense to it. This way you’ve managed to build up some traffic and Google will see your site as an established credible blog and should accept you into their program.