Neil Patel's SEO Analyzer is part of Neil Patel's suite of SEO tools. It deals with site audits and backlinks. You can use it to audit your website for several different metrics.
You get basic data on your website: SEO score, website traffic, keywords and backlinks. It also gives you a good picture of your site's health and its performance compared to others in your niche.
You can see things like broken links, redirects, pages that have critical issues and other important information.
To get the most accurate results for website analysis you should log into Google to use this tool.
Neil Patel's SEO Analyzer has a free version and a paid version. The free version is enough for basic analysis, but if you want in-depth information you should subscribe to the paid version.