The Screaming frog SEO spider tool is a desktop program for Windows/Mac / Ubuntu lets you free up to 500 Pages in a domain spider and can analyze. You can indefinitely many domains spidering and display.
The spider displays a very clear the SEO relevant data such as meta-tags, Headers and redirects to:
Conclusion: A very Elaine tool, the full version kstet only £99 per year exkl. Taxes.