There are several ways you can announce sales and discounts on your website. Some options to consider include:
On your product pages in a color that stands out
On your website homepage in a popup to attract attention from potential customers
In promotional emails you send to your email list about new products and flash sales
On a dedicated discounts and promotions page on your website
On a popup when a user has added items to their shopping cart, to reduce cart abandonment
As a call to action (CTA) in your blog articles and social media posts
At checkout, offering a discount on the next purchase