A cookie is a small piece of text that allows a website to recognize your device and maintain a consistent, cohesive experience throughout multiple sessions.
I use Third-party services ( Google, Facebook, Twitter, HotJar) that use cookies to identify actual human users, a result of which causes to store and process
some information about you and your visits to the site.
I also generate my own unique user identification cookie tracking purposes to certain pages to see if there are still people who interests in my shared contents.
Statistics will assist me in decisions such as determining whether the site is still being used by a large number of users, whether additional efforts are worth to improve the web site or create new web site features or simply no further efforts should be spent. You can always use Ad Blocker to block all analytics if you have privacy concerns.