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This depends on the size of your site. In some instances, you can just use excel to analyze your server logs. Or if you have the resources you can use a paid tool like the SEO Log File Analyser from Screaming Frog. Here are some resources from Moz that might be helpful for you: https://moz.com/blog/uncovering-seo-opportunities-via-log-files https://moz.com/blog/technical-seo-log-analysis However, if you have a large site you might run into some issues using excel or Screaming Frog's tool. With a larger site, you might be better served either looking at a small subset of the data or using an enterprise analytics tool like Altreyx or Knime to do your analysis.

Hi there, Jo from the Moz help team here. That's a great question! Unfortunately, you can't add more than 3 competitors per Campaign, at the moment. However, you do have the option to create a new Campaign for the same website using another set of different competitors, if you wanted to do that! If you were looking for extra competitive link data, Link Explorer would give you the ability to compare up to 5 sites within the "Compare Link Profiles" section. Sorry for the inconvenience, but I hope this clears things up. Please let me know if you have any other questions! Jo