# Run this in SQL query of PHPmyAdmin

# Show the size of all the autoloaded data - this is loaded on *every* page of your site
SELECT SUM(LENGTH(option_value)) as autoload_size FROM wp_options WHERE autoload='yes';

# Show what is loading in autoload
SELECT LENGTH(option_value),option_name FROM wp_options WHERE autoload='yes' ORDER BY length(option_value) DESC LIMIT 20;