in src/content_script.js [852:865]
async function CheckIfURLShouldBeBlocked() {
const siteList = await browser.runtime.sendMessage({
message: "what-sites-are-added"
});
const site = await getRootDomainFromBackground(window.location.href);
if (siteList.includes(site)) {
checkForTrackers = false;
} else {
await contentScriptInit(false);
}
}