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Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.
Monitor Backlinks - Easy Link Management - SEO Tool for automatically checking your backlinks.
Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!
Botify - Traffic Managers, SEO Managers, Webmasters:Crawl your site to extract all of its metadata and identify areas for improvement
Serpstat - Search analytics, Rank tracking, Backlink analysis and Site Audit tool.
Backlinks by Neil Patel - A backlinks research tool for competitive intelligence