Smaller - Make your websites load faster
Holly Website Audit - Free, brandable website audit for your potential clients
Website Grader - Grade your website's strengths and weaknesses in seconds.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
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.
B12 Recommendations - Stitch Fix for your website 🚀