Check if this site contains nested tables. A nested table is an HTML table containing another table inside it. Use of nested tables can slow down page rendering in the user's browser.
Top 100 websites: 99%
All websites: 99%
How do I fix it ?
In order to pass this test you must use a CSS layout for your page. You will have many advantages if you'll use CSS instead of HTML tables for formating your content:
accessibility, bandwidth savings, maintainability.