Ryte - Ryte is a web-based software invented for technical optimization for search engines and improvement of websites.
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters
Siteimprove - Consider the Siteimprove Intelligence Platform the newest member of your team.
Page Weight - Find and fix heavy images on your website
WooRank - Woorank is a Digital Marketing tool providing Instant Website Reviews & Personalized Tips for driving Traffic, Leads & Sales. Woorank covers: SEO, Mobile rendering, Social Media data, SERP ranking, backlinks, usability & servers optimization.
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!