Unsafe external links checker

URL redirect checkerFollow every redirect hop of a URL with its status code. 404 page checkerDoes the site answer missing pages with a real 404? Broken link checkerCheck every link on a page and find the broken ones. Robots.txt checker and testerRead a robots.txt and test whether a URL is allowed for a bot. Sitemap checkerFind and validate a site's XML sitemap. Internal links checkerList every internal link on a page. External links checkerList every outgoing link on a page. Indexability checkerCan search engines index this URL? Checks status, robots.txt, noindex and canoni...