Because someone who is looking for something that specific is probably a much more qualified searcher for your product or service (presuming you're in the blogging space) than someone looking for something really generic. And because long-tail keywords tend to be more specific, it's usually easier to tell what people who search for those keywords are really looking for. Someone searching for the head term "blogging," on the other hand, could be searching it for a whole host of reasons unrelated to your business.
Overall score: Finally, you simply add up the scores and divide by the number of columns you have. This will give you an overall score. Then you can sort your keyword list by overall score and voilà, your keywords that are likely to perform the best for you bubble up to the top. You can weight each column if you like based on which factors are most important to you.
Ad extension provides extra benefits for your PPC advertising. Use these extensions to enhance your ad and to show additional information with your ad, like an address, phone number, store rating, or additional webpage links. Ad extension ensures high CTR because they make your ad more relevant and prominent. It also improve your quality score. Google says “If two competing ads have the same bid and quality, then the ad with the more relevant extensions will most likely appear in a higher position than the other.”
Now the ad servers don’t create this table themselves, they license it from another company like MaxMind or DigitalEnvoy, whose primary business is geolocation data. This is no enviable task; IP addresses themselves don’t necessarily have an obvious pattern in the way they are assigned like a telephone area code would. It’s a bit like solving a mystery, and the geolocation companies use a variety of methods to approach the problem. /injects>