HEADMasterSEO allows you to quickly check the http response headers of huge URL lists. Find technical SEO problems, clean sitemaps and audit site migrations and redirects.
View, sort, filter and CSV export header data such as status codes, redirects chains, X-Robots-Tag, Vary and link headers. Inspect the raw headers of every response.
The tool uses HEAD requests to save bandwidth and increase speed and up to 200 simultaneous threads to take advantage of faster servers.