| Name | Description |
| activex |
The browser handles activeX contents. |
| align |
The browser supports the align attribute in its tags. |
| autogunzip |
The browser can decode a gunzipped file on the fly. |
| 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. |
| div |
Same as divisions. |
| divisions |
The browser supports <div> tags. |
| font |
The browser supports the font tag. |
| fontcolor |
The browser can change color of individual characters. |
| 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. |
| html |
This is a HTML browser (as opposed to e.g. a WAP browser). |
| 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 javascripts. |
| jpeginline |
The browser can show JPEG images inlined. |
| js_global_event |
The browser supports a global event object e.g. netscape 4. |
| js_image_object |
The browser supports the javascript image object. |
| js_inner_html |
The browser supports the javascript propperty innerHTML. |
| layer |
The browser supports the layer tag. |
| mailto |
The browser supports mailto URLs. |
| math |
The <math> tag is correctly displayed by the browser. |
| msie |
This is a Microsoft Internet Explorer browser. |
| noscript |
The browser honours the <noscript> tag (by showing its contents only when javascript is not on). |
| phone |
The client is a phone. |
| 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. |
| robot |
The request really comes from a web robot, not an actual browser. |
| ssl |
The browser handles secure sockets layer. |
| stylesheets |
The browser supports stylesheets. |
| supsub |
The browser handles <sup> and <sub> tags correctly. |
| tablecolor |
It is possible to set the background color in the browser. |
| tableimages |
It is possible to set a backgroud image in a table in the browser. |
| tables |
The browser handles tables according to the HTML3.0 specification. |
| unknown |
The browser is not known, hence the supports classes can not be trusted. |
| vrml |
The browser supports VRML. |
| wbmp0 |
The browser supports Wireless Bitmap Picture Format, type 0. |
| wml1.0 |
The browser supports Wireless Markup Language 1.0. |
| wml1.1 |
The browser supports Wireless Markup Language 1.1. |
