UpSeo - UpSeo is a best-in-class website traffic generator, allowing you to get more potential visitors to your website and enhance conversions.
Website Grader - Grade your website's strengths and weaknesses in seconds.
Page Optimizer Pro - Page Optimizer Pro is an on-page SEO tool, allows marketers to produce flawlessly optimized pages for Google with ease.
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.
AUTHORITAS - AUTHORITAS is a data science-driven SEO and content marketing platform for agencies and enterprises.
PageSpeed Ninja - One-click page speed boost for WordPress