Några exempel på hur det kan se ut med colspan/rowspan i en tabell Jag har angett Border=1 bara för att ni ska se skillnaden bättre.
<table> <tr> <td>cell 1</td> <td rowspan=2>cell 2</td> <td>cell 3</td> </tr> <tr> <td>cell 4</td> <td>cell 5</td> </tr> </table>
<table> <tr> <td rowspan=3>cell 1</td> <td >cell 2</td> <td>cell 3</td> </tr> <tr> <td>cell 4</td> <td>cell 5</td> </tr> <tr> <td>cell 6</td> <td>cell 7</td> </tr> </table>
<table> <tr> <td>cell 1</td> <td colspan=2>cell 2</td> </tr> <tr> <td>cell 3</td> <td>cell 4</td> <td>cell 5</td> </tr> </table>
<table> <tr> <td>cell 1</td> <td>cell 2</td> <td>cell 3</td> </tr> <tr> <td colspan=3>cell 4</td> </tr> </table>