In the Yandex search results, for one request, another page of this site is displayed (the title of one page, the description of another). How so?

Question

Search Engine Optimization

How is it that when you query "Rock of Gibraltar" in Yandex, a link is given to a page of another article on my site (not about the Rock of Gibraltar, but about Machu Picchu) and moreover, the title is Machu Picchu, and the description is about the Rock of Gibraltar, although and on the pages everything with meta tags is correct?

Answer 1

I will supplement the answer in the comments - make CNC links, the situation will immediately get better;)

Answer 2

Have you looked at SELinux?

Answer 3

Take advantage of built-in system call auditing: https://wiki.archlinux.org/index.php/Audit_framework

Answer 4

What protocol are users using?