web.snapchat.com: nuisance

[Sonic5435325]

Prerequisites

• [X] This is NOT a YouTube, Facebook or Twitch report.
• [X] I read and understand the policy about what is a valid filter issue.
• [X] I verified that this issue is not a duplicate. (Search here to find out.)
• [X] I did not remove any of the default filter lists, or I have verified that the issue was not caused by removing any of the default lists.
• [X] I did not enable additional filter lists, or I have verified that the issue still occurs without enabling additional filter lists.
• [X] I do not have custom filters/rules, or I have verified that the issue still occurs without custom filters/rules.
• [X] I am not using uBlock Origin (uBO) along with other content blocker extensions.
• [X] I have verified that the web browser's built-in blocker or DNS blocking (standalone or through a VPN) is not causing the issue.
• [ ] I did not answer truthfully to ALL the above checkpoints.

URL(s) where the issue occurs.

https://web.snapchat.com/

Description

The website can detect your keyboard movement and will display a message like "Looks like you're trying to take a screenshot" every time you press Ctrl+Shift while in a chat. It also shows a message whenever you go into inspect element and click on an element. It also has a message that the web browser isn't supported if you're on Firefox.

Other extensions used

uMatrix, Decentraleyes, Cookie AutoDelete, Violentmonkey

Screenshot(s)

Screenshot(s)

Configuration

Details

```yaml ```

[mapx-]

We need an account (desktop part + phone app) to be able to investigate the issue.

If you are willing to share your account credentials let us know (I'll provide an email address where you can send them)