SEMRush vs Moz Link Index Re-verified, Data Provided

Mea Culpa: It looks like I screwed up the exported CSVs from my code below. Thank you to Malte Landwehr of SearchMetrics for finding the bizarre issues. Having an unbiased 3rd party (especially of high reputation like Malte) review is hugely helpful. Malte also identified a high % of .jobs domains in the random data set. Because some crawlers have difficulty with the new TLDs, (I am not sure if this is true of SEMRush), I limited the Domains and URLs to .org, .net, and .com. There were no meaningful changes in the outcomes of the reports EXCEPT for Total Referring Backlinks to URL, in which Moz wins 2x rather than 6x. Comparing Domains [XLSX] Comparing URLs [XLSX] I often do not post data along side these mini research projects such as my most recent brief...

SEMRush and Moz Link Indexes Compared

Historically, Moz has internally tracked comparisons with both Ahrefs and Majestic on a daily basis to ensure our Link Explorer product is a market leader. However, I have received several requests recently to compare Moz to SEMRush given their strides in growing a link index of their own. Below are the results of a simple study comparing index size based on the following metrics: Overall reported backlinks (Self Reported) Likelihood Moz or SEMRush reports more referring domains to a domain (Sample Size: 1000 domains) Likelihood Moz or SEMRush reports more backlinks to a domain (Sample Size: 1000 domains) Likelihood Moz or SEMRush reports more referring domains to a URL (Sample Size: 1000 URLs) Likelihood Moz or SEMRush reports more backlinks to a URL (Sample...