Browsers, Search, and Tracking
The Invisible Watchers
Every website you visit is watching you. Not metaphorically — literally. Trackers embedded in web pages follow you across the internet, building a profile of your interests, habits, and behavior. Your browser is the window through which this surveillance happens. Changing how you browse is one of the most impactful privacy improvements you can make.
How Tracking Works
Cookies
Small files websites store on your computer. First-party cookies (from the site you're visiting) are often useful — they keep you logged in and remember your preferences. Third-party cookies (from advertisers and trackers embedded in the site) follow you across the web, building a cross-site profile of your behavior.
Third-party cookies are being phased out by major browsers, but they're being replaced by new tracking methods that are sometimes worse.
Browser Fingerprinting
Even without cookies, websites can identify you through your browser's unique combination of settings: screen resolution, installed fonts, browser version, operating system, time zone, language, plugins, and dozens of other variables. Combined, these create a fingerprint that's unique to your device — no cookies required.
Tracking Pixels
Invisible 1x1 pixel images embedded in emails and web pages. When loaded, they report back to the tracker: your IP address, when you opened the email, your device type, and your approximate location.
Privacy-Focused Browsers
Brave
The most privacy-focused mainstream browser. Blocks ads and trackers by default. Built-in fingerprinting protection. Chromium-based, so it works with Chrome extensions. Free.
Firefox
Mozilla's browser with strong privacy features when configured properly. Enhanced Tracking Protection blocks many trackers by default. Extensive privacy-focused extensions available. Free and open-source.
Safari
Apple's browser includes Intelligent Tracking Prevention, which limits cross-site tracking. Good default privacy for Apple users.
What to Avoid
Chrome is the most popular browser and the least private by default. It's made by Google, whose business model is advertising. While Chrome has added some privacy features, using it sends your browsing data to Google's ecosystem.
If you prefer Chrome's interface, use Brave — it's Chromium-based (same look and feel) with privacy protections built in.
Essential Browser Settings and Extensions
Must-Have Extensions
uBlock Origin: The best ad and tracker blocker. Free, lightweight, and highly effective. Install this regardless of which browser you use.
Privacy Badger: Automatically blocks invisible trackers. Made by the Electronic Frontier Foundation. Complements uBlock Origin.
HTTPS Everywhere: Forces encrypted connections when available. Many browsers now do this by default, but the extension ensures it.
Browser Settings to Change
Block third-party cookies. Most browsers offer this in settings. Enable it.
Disable "Send usage statistics." This sends your browsing data to the browser maker. Turn it off.
Enable "Do Not Track." It's largely ignored by websites, but it costs nothing to enable.
Clear data on exit. Configure your browser to clear cookies and browsing data when you close it. This prevents persistent tracking between sessions.
Private Search Engines
Google Search is the most comprehensive search engine and the most privacy-invasive. It logs every search tied to your account, building a detailed profile of your interests, concerns, and intentions.
Alternatives
DuckDuckGo: The most popular private search engine. Doesn't track searches. Results are good for most queries. Some people find them slightly less comprehensive than Google for highly specific searches.
Brave Search: Independent search index (not relying on Google or Bing). Growing rapidly. Good privacy defaults.
Startpage: Provides Google results without the tracking. The privacy of DuckDuckGo with the comprehensiveness of Google.
VPNs: What They Do and Don't Do
What a VPN Does
A Virtual Private Network encrypts your internet traffic and routes it through a server in another location. This hides your browsing from your internet service provider (ISP), masks your IP address from websites, and protects your data on public Wi-Fi networks.
What a VPN Doesn't Do
A VPN doesn't make you anonymous. It shifts trust from your ISP to your VPN provider — so choosing a trustworthy provider matters. It doesn't protect you from phishing, malware, or bad passwords. It doesn't prevent tracking through cookies, fingerprinting, or logged-in accounts.
When to Use One
Public Wi-Fi (coffee shops, airports, hotels) — always use a VPN. When you don't want your ISP seeing your browsing. When accessing geo-restricted content. For general privacy improvement as part of a broader strategy.
Recommended VPNs
Mullvad: Privacy-focused, accepts anonymous payment, no account required. $5/month.
ProtonVPN: From the makers of ProtonMail. Free tier available. Trustworthy and transparent.
IVPN: Strong privacy policies, independent audits. $6/month.
Avoid free VPNs from unknown companies — many log and sell your data, defeating the purpose entirely.
The Practical Balance
You don't need to use Tor Browser for everything and route all traffic through three VPNs. That's security theater that makes daily browsing miserable.
The practical approach: use a privacy-focused browser with uBlock Origin, search with DuckDuckGo or Startpage, use a VPN on public Wi-Fi, and clear cookies regularly. This eliminates the vast majority of casual tracking without making the internet unusable.
Next: locking down the platforms where you share the most.