Description is a dubious website that employs various shady tactics to display questionable content to its visitors. The behavior of is virtually identical to the myriad of other dubious pages dedicated to proliferating this popular browser-based tactic. They all display clickbait and deceptive messages and scenarios designed to lure users into clicking the displayed 'Allow' button and subscribing to the misleading page's push notification services unknowingly. 

There are several popular scenarios that these pages rely on. The most widely used is pretending to be running a CAPTCHA check, but users also may be presented with claims that a file is ready for download or a video will become accessible. The exact messages could be a variation of:

'Click ALLOW to confirm that you are not a robot!'

'Click Allow to watch the video'

'Download is ready.' 

The advertisements generated by such questionable sources cannot be trusted. They might incorporate similarly deceptive techniques to get users to engage with them. 

Dealing with and other pages like it is usually quite easy. You can revoke all the permissions granted to the con website by navigating to the appropriate settings of your browser. Normally, this should be the 'Permissions' or 'Notifications' menu.