Yes, Milly.com does offer site-wide discount codes. There is a 20% off sitewide discount code available for April 2024. Additionally, there are other discount codes such as 15% off your first order and 15% off for purchases of $350 or more. Please note that these discounts are subject to change and it's recommended to check the website for the most current offers. Remember to apply the discount code at checkout to avail the offer. Enjoy shopping!