We use google for analytics and facebook for comments. Algolia for search. Thy all track everything about you using cookies.
There is no choice about using these providers or opting out because I need to use free services.
You would have to contact the relevant third party if you want to know what they ave on you. So facebook, algolia or google.
These providers have various documents about privacy on their own sites. check those out for more info.
Get in touch with me if there are any issues.