HTTP Bot Features
- User-Agent header: "JabRSS (http://jabrss.cmeerw.org)"
- conditional HTTP GET (Last-Modified and ETag supported)
- gzip and deflate encoded HTTP requests
- RSS parser supports RSS 0.90, RSS 0.91, RSS 2.0, RDF 1.0 and Atom 0.3
- adaptive polling intervals based on the update frequency of the feed (every 30 minutes up to once per day)
- feeds not supporting conditional HTTP requests will be slightly penalized
- support for widely-used character data encodings (including UTF-8, UTF-16, ISO8859-1)
- mostly compliant with RFC 3023
- proper handling of redirects