Ahrefs Backlink Checker - With the world's biggest index of live backlinks (over 15 trillion), Ahrefs Backlink Checker will show you the most complete backlink profile for any website.
Plerdy - Plerdy is a comprehensive conversation rate optimization software that caters to professional online marketers and agencies, allow them to enhance website performance and increase revenue greatly.
Checkbot - Checkbot will boost the SEO, speed and security of your site by checking you're following 50+ web best practices. Browser extension with free and paid plans.
SmallSEOTools Domain Authority Checker - Domain Authority or DA PA Checker is a tool to Check website moz Domain Authority. Just enter your website url and see domain authority of any domain name.
Google SERP Snippet Optimization - SEOmofo tool replicates the appearance of a snippet in Google SERPs, which allows SEOs to optimize a page title and description for maximum click-through rate.
Ninjas Find Broken URLs - This tool will find broken links on your site and generate an XML formatted sitemap your site. You also have the option to export your data into a downloadable spreadsheet.