Also sometimes referred to as “over-optimizing,” keyword-stuffing is repetitively using keywords on pages so that Google and other search engines will recognize them, even though the content itself may read poorly. This is a largely-out-of-date practice, as a high amount of keywords on a page (or keyword density) can actually damage rankings and negatively impact a user’s experience. Here is an example of keyword-stuffing:
Example: Choose to buy red coffee pots from Coffeemakers! Our red coffee pots are the perfect choice for those looking for red coffee pots for their home.