Netpeak Spider - A desktop tool for fast and comprehensive technical audit of the entire website.
Smaller - Make your websites load faster
Screaming Frog SEO Spider - The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links...
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!
Free SEO Checker by Spotibo - An SEO checker that analyses based on Google's algorithm 👀
SE Ranking - All-in-One cloud-based SEO software for agencies, marketing teams and webmasters