![from left: Gloria Eichler, CPO at smartclip, Christian Osterhues, VP of People & Culture, and Shira Leffel, VP of Marketing & Product Education at smartclip](https://smartclip.wpenginepowered.com/wp-content/uploads/2024/06/preview-leadership-thumbnail-smartclip-new-1.jpg)
7 June 2024
Last modified: 14 March, 2022
Blocking is the ability to stop ads from appearing on websites. Publishers can use a number of anti-ad-blocking techniques to bypass ad-blocking software and reduce the negative impact on revenue. Blocking is also used by advertisers to prevent their ads from being served to websites that they consider unsafe.