ErrScanArgument - Scan argument is not array of bytes.

StateAnswerError - can not read body.

StateConnectError - can not connect to server.

StateDisabledByRobotsTxt - URL disabled in robots.txt.

StateDublicate - dublicate see "Origin" field for origin URL.

StateEncodingError - can not find or apply encoding (body not save).

StateErrorStatusCode - status code != 200.

StateExternal - after redirect - host is external (body not save).

StateNoFollow - found meta tag nofollow (body not save).

StateParseError - can not parse body or body not html (body not save).

StateSuccess - page without error.

StateUnsupportedFormat - MIME type != text/html.

Compressed - field compressed by zlib.

Content - store page content Hash - hash of uncompressed content.

Host - host information.

Meta - meta information about processed URL Origin - link to origin document (for State == CtStateDublicate).

State - current state of page.