browser-extensions.markdown: dirty cookie banner mention

.pre-commit-config.yaml

@@ -51,7 +51,7 @@ repos:
         args: [--update-only, --notitle]
 
   - repo: https://github.com/python-jsonschema/check-jsonschema
-    rev: 0.27.1
+    rev: 0.27.2
     hooks:
       - id: check-dependabot
       - id: check-github-workflows
@@ -63,7 +63,7 @@ repos:
       - id: reuse
 
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: "v3.1.0"
+    rev: "v4.0.0-alpha.3"
     hooks:
       - id: prettier
         exclude_types: [json]

pages/browser-extensions.markdown

@@ -21,6 +21,7 @@ If you need browser extensions, try [the Privacy Guides page](https://privacygui
   - [Vendor-prefixed](#vendor-prefixed)
 - [Firefox about:config](#firefox-aboutconfig)
   - [Advertising](#advertising)
+  - [Cookie banner blocking](#cookie-banner-blocking)
   - [DNS over HTTPS](#dns-over-https)
   - [SSDs](#ssds)
 
@@ -199,6 +200,16 @@ Firefox seems to contain a lot of advertising or sponsoring nowadays, whether to
 - `browser.promo.focus.enabled` to `false` to stop Firefox Focus advertisements?
 - `browser.preferences.moreFromMozilla` to `false` to not hear from other Mozilla products?
 
+## [Cookie banner blocking](https://www.ghacks.net/2022/12/24/configure-firefox-to-reject-cookie-banners-automatically/)
+
+TODO: clean write this.
+
+```js
+defaultPref("cookiebanners.service.mode", 2);
+defaultPref("cookiebanners.service.mode.privateBrowsing", 2);
+defaultPref("cookiebanners.bannerClicking.enabled", true);
+```
+
 ## DNS over HTTPS
 
 - `network.trr.mode` depends, `3` to enforce DoH (required for ECH) or `5` to explicitly disable. `2` to prefer DoH, but fallback to system also exists.