1. Hundreds of thousands of businesses advertise on Google AdWords but 80% of Google’s US revenue comes from about 1.5% of the advertisers (large companies such as Amazon, eBay, BizRate, etc., source: SEMrush).
2. The overall industry average click fraud rate in Q2 was 12.7%. That’s down from 13.8% for Q1 2009 and from the 16.2% rate reported for Q2 2008. (source: ClickForensics)Click fraud is a type of Internet crime that occurs in pay per click online advertising when a person, automated script or computer program imitates a legitimate user of a web browser clicking on an ad, for the purpose of generating a charge per click without having actual interest in the target of the ad’s link.
3. The paid clicks in Q2/2009 were up 15 percent year-over-year, but down 2 percent from the first quarter. (source: Google Q2/2009 earnings summary)
Twitter is launching the first phase of a two-part effort to monetize the microblog, according to co-founder Biz Stone. The first step, which should begin in about a week, will educate both individual users and larger marketing concerns about available tools and services. For the second step, which probably will be in the fall, Twitter will certify businesses to use the services, or it could try to monetize the information it garners from users.
read more
Great summation of Google on-page and off-page optimization factors by Axandra.
Google specifies the position of a website in its search results by on-page factors and off-page factors. On-page factors are all factors that can be found on your web pages:
Did you optimize the web page for the targeted keyword?
Can search engines find all pages of your website through the links on your website?
Is the HTML code of your web pages error free so that search engine spiders can easily parse your pages?
Does your robots.txt file allow search engine spiders to visit your web pages?
Are your web pages free of all spam elements (no hidden text, no sneaky redirects, no keyword stuffing, cloaking, etc.?
Off-page factors are the factors that cannot be found on your web pages:
How many websites link to your site?
Are these links from related high quality pages?
Do social bookmark websites link to your site?
Do the links to your website include the keywords for which you want to be ranked highly?