Mobile Channels support for HTML tags is described in the following table.
| HTML tag | Palm-size PC | H/PC (2.0)‹?› |
| A | Yes | Yes |
| ADDRESS | Yes | Yes |
| APPLET | No | Yes |
| AREA | Yes | Yes |
| B | Yes | Yes |
| BASE | Yes | Yes |
| BASEFONT | Yes | Yes |
| BGSOUND | Yes | Yes |
| BIG | Yes | Yes |
| BLINK | No | No |
| BLOCKQUOTE | Yes | Yes |
| BODY | Yes | Yes |
| BR | Yes | Yes |
| CAPTION | Yes | Yes |
| CENTER | Yes | Yes |
| CITE | Yes | Yes |
| CODE | Yes | Yes |
| DD | Yes | Yes |
| DFN | Yes | Yes |
| DIR | Yes | Yes |
| DIV | Yes | Yes |
| DL | Yes | Yes |
| DT | Yes | Yes |
| EM | Yes | Yes |
| FONT | Yes | Yes |
| FORM | Yes | Yes |
| FRAME | No | Yes |
| FRAMESET | No | Yes |
| Hn | Yes | Yes |
| HEAD | Yes | Yes |
| HR | Yes | Yes |
| HTML | Yes | Yes |
| I | Yes | Yes |
| IMG | Yes | Yes |
| INPUT | Yes | Yes |
| ISINDEX | No | No |
| KBD | Yes | Yes |
| LI | Yes | Yes |
| LINK | No | No |
| MARQUEE | No | No |
| MENU | Yes | Yes |
| MAP | Yes | Yes |
| META | Yes | Yes |
| NEXTID | Yes | Yes |
| NOBR | Yes | Yes |
| OBJECT | No | No |
| OL | Yes | Yes |
| OPTION | Yes | Yes |
| P | Yes | Yes |
| PARAM | No | Yes |
| PLAINTEXT | Yes | Yes |
| PRE | Yes | Yes |
| S | Yes | Yes |
| SAMP | Yes | Yes |
| SELECT | Yes | Yes |
| SMALL | Yes | Yes |
| STRIKE | Yes | Yes |
| STRONG | Yes | Yes |
| SUB | Yes | Yes |
| SUP | Yes | Yes |
| TABLE | Yes | Yes |
| TD | Yes | Yes |
| TEXTAREA | Yes | Yes |
| TH | Yes | Yes |
| TITLE | Yes | Yes |
| TR | Yes | Yes |
| TT | Yes | Yes |
| U | Yes | Yes |
| UL | Yes | Yes |
| VAR | Yes | Yes |
| WBR | Yes | Yes |
| XMP | Yes | Yes |