I look at the data in Google Sheets.
On the page I want to track I paste a script tag that includes a few lines of JS from my counter site. That JS script hits a PHP script with the URL the user requested. I don't track ANY user details. No browser info, no IP address, no fingerprinting, etc. It would be trivial to track those things though. The PHP script logs the data to a CSV file (which I plan to change to an SQLite DB soon).
I have a Google Sheet setup where the first field of data is '=IMPORTDATA("https://example.com/data.csv")'. Google Sheets automatically fetches that data every time you open the sheet; no API integration required. Then I have a simple bar chart on the data.