The original question has been edited and have been made completely different question. I request to the admin to not to allow this. Look, my answer above has become tota...

You will find answers to some of your questions on our blog.

If you want to know more then I recommend you find some research on this topic.

I believe, people do not search a product in search engines like Google together with price.

Thx for post

Please ask your developer to check the code of files available on the server. Developer can resolve the issue.

I checked GSC security, there is no issue there. Do you have any other idea? Thank you

Hello, Thankyou for your response! > This trend is evident every year from middle of October to first week of January. Its totally depend on the niche, our industry is...

It looks the website has been hacked and external code has been injected. Check for it in Google Search Console's Security & Manual Actions. How I suspected so is, I...

It looks, site name has been assigned as Eyelash Serum in the WordPress setting section. Otherwise, you might require to contact your developer.