If you did not know it, half of the internet is overrun by bots.
Most of them are very useful like the GoogleBot, crawlers, and spiders. But others are not so good and usually end up showing when you do not want to.
I «recently» have been doing all sort of tests, attunements, and changes. This with the objective to make the website much more resilient to attacks and solve problems that were left unchecked from the past iteration as mentioned before.