When comparing off-page SEO tools, I usually evaluate factors such as backlink database size, data accuracy, competitor analysis capabilities, link monitoring features, reporting quality, ease of use, and pricing, since these directly influence the effectiveness of SEO campaigns. I also look for features like backlink quality assessment, lost-link tracking, anchor text analysis, and domain authority metrics, as they provide deeper insights into link-building opportunities and overall website authority. The best tool is typically the one that delivers reliable data, actionable insights, and aligns well with specific SEO goals and budget requirements.