Search engine's spider/crawler

Today I searched but i did not find any information about this topic.

I want to ask how i can learn When search engine’s spider/crawler etc coming visiting my website.

Another Question ,

If i refer the google search engine’s spider/crawler for come to visit my website. When google search engine’s spider/crawler will come ?

please check out this plugin: Plugin: BotTracker to track bot-actions · Issue #2391 · matomo-org/matomo · GitHub
if it does not work for you maybe post a comment on the ticket directly