Stay away & close Open This Page in “Calendar”?

We’ve seen this type of attack these days.
Many legitimate sites are currently affected by it, resulting in infecting web visitors.

Stay away from these alerts and don’t interact with this malicious page.

If you did interact with it, check out this video tutorial.
How to Fix iPhone Calendar Virus:

Stay away & close “Press “Allow” to verify, that you are not robot”

If you’ve reached this page, do not interact with it. Simply close your browser and clear your cache and cookies.
Alternatively, if you don’t have an antivirus installed, you may consider ESET, McAfee or Bitdefender.

Most probably, you’ve landed on a compromised website. If you know the site owner, reach them and let them know about this issue.