What happened to positions?

Question

Search Engine Optimization

Hello. Noticed a sharp decline in customers. I usually don't track the position of the site, because. The site has been running for four years now, and nothing has changed on it. Today I went to the google search console and saw this picture.

Prompt, with what it can be connected? There were no changes on the site, except for the publication of one feature article. What is noteworthy, I published it on February 22, and since February 23 the activity has disappeared ... Clicks from the search, judging by the schedule since February 23, have become 1-0 ... Perhaps this is just a coincidence and the reason is different. An ordinary furniture article about how we work ...

Answer 1

look for a clone of a high-ranking one, although if it's only one page, check the sources and requests

Answer 2

Look in Yandex Metrica and Google Analytics

Answer 3

Have you changed your site to https? The console can show site data with the http protocol.