colgroup with span attribute

Below is a table with 2 rows, each row with 5 cells (first row has TH's). There is also a colgroup element:

This means that the table has 5 columns, and each column should be 100 pixels wide. Because the columns are defined "up front" with width data, the table should be displayed incrementally, as the rows are downloaded over a modem. This improves perceived performance.

colgroup with cols

Below is a table with 5 columns defined using 5 COL elements inside a COLGROUP. Each COL looks like this:

This means that each column should be 100 pixels wide. Because the columns are defined "up front" with width data, the table should be displayed incrementally, as the rows are downloaded over a modem. This improves perceived performance.

cols with span attribute

Below is a table with 5 columns defined using 1 COL element inside a COLGROUP. The COL looks like this:

This means that there are 5 columns, and each one should be 100 pixels wide. Because the columns are defined "up front" with width data, the table should be displayed incrementally, as the rows are downloaded over a modem. This improves perceived performance.

multiple cols with span attribute

Below is a table with 5 columns defined using 2 COL elements inside a COLGROUP. The COL looks like this:

This means that the first 3 columns should be 75 pixels wide each, and the subsequent 2 columns should be 150 pixels wide each. Because the columns are defined "up front" with width data, the table should be displayed incrementally, as the rows are downloaded over a modem. This improves perceived performance.