List of the available features:

backgrounds

The browser supports backgrounds according to the HTML3 specifications.

bigsmall

The browser supports the <big> and <small> tags.

center

The browser supports the <center> tag.

cookies

The browser can receive cookies.

divisions

The browser supports <div align=...>.

font

The browser supports <font size=num>.

fontcolor

The browser can change color of individual characters.

fonttype

The browser can set the font.

forms

The browser supports forms according to the HTML 2.0 and 3.0 specifications.

frames

The browser supports frames.

gifinline

The browser can show GIF images inlined.

imagealign

The browser supports align=left and align=right in images.

images

The browser can display images.

java

The browser supports Java applets.

javascript

The browser supports Java Scripts.

jpeginline

The browser can show JPEG images inlined.

mailto

The browser supports mailto URLs.

math

The <math> tag is correctly displayed by the browser.

perl

The browser supports Perl applets.

pjpeginline

The browser can handle progressive JPEG images, .pjpeg, inline.

pnginline

The browser can handle PNG images inlined.

pull

The browser handles Client Pull.

push

The browser handles Server Push.

python

The browser supports Python applets.

robot

The request really comes from a search robot, not an actual browser.

stylesheets

The browser supports stylesheets.

supsub

The browser handles <sup> and <sub> tags correctly.

tables

The browser handles tables according to the HTML3.0 specification.

tcl

The browser supports TCL applets.

vrml

The browser supports VRML.