They differ in many aspects, from gender to age; from organic to paid; from 1024×768 to 320×480 and onwards. More significantly though, people arrive to your site from across the world: from different countries and languages, different currencies and climates, and a whole assortment of cultural expectations. Hence, even if you have a “.com” English only site, you may very well be an international business by default.
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.
People are no longer shocked to find elements of personalization embedded into various aspects of advertising, and in fact, have even come to expect it. Think about it this way: When it comes to marketing emails, which are you more likely to open and read—the one addressed to “Dear Customer” featuring generic copy on topics that aren’t relevant to you? Or are you more likely to engage with the email addressed to your name that includes links to blog posts relevant to the industry you work in, as well as items you might like based on your previous purchases? That’s right—you’re going to open and read the email that’s tailored to you.
As I consult and train people on Internet marketing, I typically ask whether keyword research is a strategic function or a tactical one. Often people think it’s tactical because of the tedious nature of the work. I submit it is not only strategic but also foundational to all marketing channels you will use. If you take the time up front to outline a killer keyword strategy, you will find your campaigns will be higher performing and more successful. In this column, I will outline seven tips for developing a killer keyword strategy you can use to take your campaigns to a higher level.

When using the Keyword Explorer, Ahrefs will also produce the "parent topic" of the keyword you looked up, as you can see in the screenshot above, underneath the Keyword Difficulty meter. A keyword's parent topic is a broader keyword with higher search volume than your intended keyword, but likely has the same audience and ranking potential -- giving you more a valuable SEO opportunity when optimizing a particular blog post or webpage.