Topvisor - All in one SEO and PPC tools for better marketing.
Screaming Frog - Screaming Frog is search engine marketing agency offering search engine optimisation and pay-per-click advertising services.
Botify - Traffic Managers, SEO Managers, Webmasters:Crawl your site to extract all of its metadata and identify areas for improvement
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
Nibbler - Free tool for testing how good your website is, and what you can do to improve it. Check accessibility, SEO, social media, compliance and more.
SEOmator - SEO website analysis & audit tool