Google Adwords :

Typical structure
Title : 25 char
Text : 35 char
Display URL : 35 char

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CPC : Cost Per Click
You are charged when a user clicks on ur ads.

CPM : Cost Per Impression
$3.00 CPM : You have to pay $3 for every 1000 times you ad is displayed.

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CTR : Click Through Rate
CTR(%) = clicks/Impressions

Example : CTR A = 20 clicks/1000 impressions = 0.02 = 2%

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Quality score
1. Better CTR on google
2. Relevancy in keyword and ad
3. Better landing page

Minimum bid : Least amount for CPC of ur ad

“Higher Quality score, lower is the Minimum bid.”

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Adwords ads appear on 100 of websites like AOL, ASK, Tencent etc. and they fall under the category of Sponsored Listings.

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Adwords benefits
1.Worldwide reach within minutes of website launch
2.Flexibility, anytime change

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Cost for adwords :
1.Pay only after clicks
2.Choose ur monthly budget(max)
3.Cost nothing to start new ads(one time activation fee $5)

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Display URL :
http:// not required
can’t be an email id
must include “.” extension such as .com, .co.uk etc

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Correct Format :
Display URL : threemobilephones.uk.com
Destination URL : http://www.threemobilephones.uk.com/lg_u990_viewty.html

Incorrect :
Display URL : orangemobileshop.co.uk
Destination URL : http://www.threemobilephones.uk.com/lg_u990_viewty.html

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Destination URL must not
1.need a software first to download(such as Adoce acrobat reader), before page opens.

means it can’t be page like readviews.pdf

2.pop up windows in ur landing page are not allowed.

3.Destination URL(Landing page) must contain a BACK button to reach to google adwords again. Inactivating BACK is not allowed.

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In ur adwords
1.No exclamation in Title
2.4 U != for You

Title = c-h-e-a-p-c-l-o-t-h-e-s is wrong

“??” in never used , Use only “?”

No repetition or capitalizaion(ex. BUY) is allowed

Action Statements are not allowed. Ex. “Click here”

If u r using a superlative keyword like BEST, it must be verified by a thord party on the landing page.

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Image adwords
1.Image must be clear and visible
2.Text on image in readable

No menus or search boxes in image ads

No repeatition in the same space

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Inavlid clicks
1.Repeated manual clicks
2.Automated tools using
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1. Violation of Google's webmaster guidelines : Overall theme of Google's webmaster guidelines is to not attempt to trick the search engines. For enhancing SERP results and PageRank, the avoidance of what Google calls "link spammers" and "bad neighborhoods".

2. Link farms : A link farm exists solely to increase PageRank by requiring the exchange of links between themselves and otherwise entirely unrelated websites.

3. Hidden text or Hidden links : It also disapproves of "cloaking" and "sneaky redirects". Hidden text is usually in the form of keywords, written very small, usually in the same color as the web page, or both. The idea is to have the text read by the search engine spider, but not by the site visitor.

4. Heavy use of keywords, that clearly do not belong in the context of the web page.

5. Duplicate content, whether pages or entire websites is specifically against the prescribed guidelines. Identical pages are used to add more pages of content.

6. Doorway pages, that are packed with every imaginable keyword to attract the search query, and then steer that traffic via a "sneaky redirect" to another site are expressly forbidden.

Source : http://research4seo.blog.com/