What is this file?

Is it safe to click?

About

You can query meta information about URL location by using this form or XMLRPC API. XMLRPC location is /xmlrpc and method is array app.query(string url)
Currently gets information about:

HTTP headers
MIME type without charset etc from headers
HTML page's title, images (img src=), links (a href=), rss and atom feeds
image width, height and type
"Real URL" - query URL after redirects
Page real size (max limited to 1 MB by Google when Content-Length header is not found)
First 100 characters of text files

Intended usage: IRC client/bot scripts, web comment fields, articles, etc
TODO: caching, libmagic, IMDB, wikipedia

Software using "What is this file?"

IRC bot: Gozerbot's urlinfo plugin
- Pekka Järvinen, raspi.fi

BeautifulSoup
XML-RPC