> * Embeds all resources (e.g. CSS, image, JavaScript, etc) producing a single HTML5 document that is easy to store and share.
> * In case the submitted URL is not HTML (for example a PDF page), Obelisk will still save it as it is.
> * Downloading each assets are done concurrently, which make the archival process for a web page is quite fast.
> * Accepts cookies, useful for pages that need login or article behind paywall.

Might actually be a good choice for Betula archival. Might need to fork it, though.