Create an XML sitemap that can be submitted to Google, Bing, Yahoo and other search engines to help them crawl your website better. Create a Text sitemap to have a plain list of all your pages. Create a ROR sitemap, which is an independent XML format for any search engine.
The acronym eCPM means 'effective cost per mille'. It is the outcome of a calculation of the ad revenue generated by a banner or campagne, divided by the number of ad impressions of that banner or campaign expressed in units of 1,000.
Click-through rate (CTR) is a way of measuring the success of an online advertising campaign for a particular website as well as the effectiveness of an email campaign by the number of users that clicked on a specific link.
There are thousands of websites and directories on which local business owners are allowed to create free business listings. Some you may already have heard about include Google+ Local, Yelp, Bing Places, Internet Yellow Pages, and Yahoo!
If your site ranking in Google that means you follow the SEO rules regarding Google. But if want to get rank in Yahoo and Bing also you also should have to follow the SEO rules according to them.