chrome
What a website learns before you click anything
I followed one link to a test site and touched nothing. The site got 15 lines about me with the request and read 33 more things in under half a second.
What 'clear browsing data' leaves behind
I filled a Chrome profile with two test sites, then pressed Delete browsing data exactly as the dialog opened. One site was wiped. The other was not touched.
What a browser extension can actually see
Chrome's one permission sentence hides six separate capabilities. I read the manifests of all 20 extensions in my browser to see what Add really grants.
Three things MV3 taught me about the service-worker lifecycle
Chrome Manifest V3 swapped the persistent background page for an ephemeral service worker. Three lifecycle lessons that cost me real debugging time.