Final answer:
No-back navigation is a technique used by websites to disable the back button, thereby keeping users on their site longer. It can involve manipulating browser history through JavaScript or opening new windows or tabs.
Step-by-step explanation:
The technique that keeps users at a website by disabling the back button is known as No-back navigation. Websites sometimes employ this strategy to make it difficult for users to return to the previous page, thus keeping them longer on their site. This can be done through various methods such as using JavaScript to manipulate the browser history or by opening new windows or tabs that do not allow easy navigation back to the original page.