HTML Checking for Large Sites

Rocket Validator automatically checks your pages on the W3C Validator.

A table row was X columns wide, which is less than the column count established by the first row (Y).

A <table> contains a <tr> row that has less <td> columns than the column count established by the first row. Check the table to ensure all rows have the same number of columns.

For example, in the following table, the first <tr> row defines that it’s 2 columns wide, but the second <tr> row tries to use only 1 column:

  <!-- This first row sets the table as 2 columns wide -->

  <!-- This second row has only 1 column -->

Learn more:

MDN: The table element HTML Spec: The table element

Related W3C validator issues

50,000 Accessibility and HTML checks per month. Fully automated.

Let our automated scanner check your large sites using Axe Core and W3C Validator.