On your iPad, iPhone, or iPod touch, go to Settings, then Safari, and then to the Cookies section.
If you want to disable cookies in the Safari web browser, go to Preferences and then to the Privacy pane and choose to block cookies. Apple’s websites and online services may use “cookies.” Cookies enable you to use shopping carts and to personalize your experience on our sites, tell us which parts of our websites people have visited, help us measure the effectiveness of ads and web searches, and give us insights into user behavior so we can improve our communications and products.