Volume. The number of searches for that phrase each month. What's a decent volume? It depends on your industry. If you're in a niche industry, like compliance, 100 monthly searches might be as good as it gets.  If you offer something with more broad appeal, like furniture, you could expect to see hundreds of thousands of searches each month. Whatever the case, aim for higher volumes, but know that the higher the volume, the more difficult it will likely be to stand out among your competitors. Which brings us to the next number...

Quality of linking root domains. Here is where we get to the quality of each site’s LRDs. Using the same LRD data you exported from either Moz’s OSE or Ahrefs, you can bucket each brand’s LRDs by domain authority and count the total LRDs by DA. Log these into this third sheet, and you’ll have a graph that illustrates their overall LRD quality (and will help you grade each domain).
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>
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