It is very turf that identify perfect website fir your SEO reference. Almost SEO service provider own website is best for analysis for your reference. Yet they are not completely perfect.
Second thing about tool. Which type of tool you need? There are lots of tool available fir particular query. I use generally,
Google webmatser tool, google analytic, bing webmaster tool, smallseotools.com, alexa rank tool, chrome seo tool, backlinkwatch.com etc.