“Steve Souders of Yahoo’s “Exceptional Performance Team” gave an insanely great presentation at Web 2.0 about optimizing website performance by focusing on front end issues. “

# Make fewer HTTP requests # Use a CDN # Add an Expires header # Gzip components # Put CSS at the top # Move JS to the bottom # Avoid CSS expressions # Make JS and CSS external # Reduce DNS lookups # Minify JS # Avoid redirects # Remove duplicate scripts