What's your language level, a guide for self-assessment, based on the European Framework of Reference for Languages for Via Optimae.
And NORSE CONTENT! OP: "very basic comparison between Icelandic, Danish, Norwegian, Swedish, & Finnish languages from the Stand Still. Stay Silent webcomic (which is set in a post-apocalyptic Scandinavia)" (with cats.
The Hardest Languages to Learn infographic. Great for visual learners! Spanish structure and pronunciation are logical, and English is the harder of the two.