Solo founder here. About 6 weeks ago I shipped crawlmouse.com , a free tool that crawls your site and grades your internal linking from A to F. It finds orphan pages (pages nothing links to), pages buried too many clicks deep, weak hub pages, that kind of thing. You paste a URL, it crawls the live site and gives you the grade plus a list of what to fix. No signup, nothing to install. Why I built it: the big crawlers like Screaming Frog and Sitebulb are great but they're desktop apps with a le...