Source: https://bscan.info/blog Language: en In-depth articles on browser fingerprinting, IP geolocation, WebRTC leaks, ad blockers, and the tools that track you, plus how to protect your digital footprint. # Blog [![](https://bscan.info/arrowIcon.svg) back to browser scan](https://bscan.info/) # Blog Explore articles about privacy, security, and browser fingerprinting [ ![Can Websites Detect Inspect Element and Open DevTools?](https://bscan.info/devtoolsCover.svg) ## Can Websites Detect Inspect Element and Open DevTools? No, a site can't see you use Inspect Element, but it can tell DevTools is open. Run the detection checks live, then see how to stop freezes and redirects. Oct 18, 2026 ](https://bscan.info/blog/detect-devtools)[ ![Can Websites See Your Computer Name? Check the Claims](https://bscan.info/computerNameCover.svg) ## Can Websites See Your Computer Name? Check the Claims A hostname lookup is not your PC name. Try a live browser and file-picker demo, then see what websites can read and when a device name can escape. Oct 12, 2026 ](https://bscan.info/blog/computer-name)[ ![Can Websites Read Your Clipboard? Test the Two Ways](https://bscan.info/clipboardAccessCover.svg) ## Can Websites Read Your Clipboard? Test the Two Ways A paste gives a page your text. A clipboard permission can let it read without a paste. Test both paths locally and see how Chrome, Firefox and Safari differ. Oct 10, 2026 ](https://bscan.info/blog/can-websites-read-clipboard)[ ![Can Websites See You Switch Tabs, Copy or Screenshot?](https://bscan.info/tabSwitchCover.svg) ## Can Websites See You Switch Tabs, Copy or Screenshot? Websites can see tab switches, copy, paste and print, but not screenshots or screen recordings. Test it live and see exactly what a page logs about you. Updated Oct 18, 2026 ](https://bscan.info/blog/can-websites-see-tab-switching)[ ![WebGL Fingerprinting: What Your GPU Tells Every Website](https://bscan.info/webglCover.svg) ## WebGL Fingerprinting: What Your GPU Tells Every Website Any site can read your graphics card through WebGL. See what yours reveals, why checkers say "WebGL renderer info is spoofed", and what actually fixes it. Sep 30, 2026 ](https://bscan.info/blog/webgl-fingerprinting)[ ![Can Websites See Your MAC Address? What They Use Instead](https://bscan.info/macAddressCover.svg) ## Can Websites See Your MAC Address? What They Use Instead Your MAC address never travels past your own router, and browsers have no API for it. See what device bans actually pin to, live on this page. Updated Oct 12, 2026 ](https://bscan.info/blog/mac-address)[ ![reCAPTCHA Score Too Low? What It Means and How to Fix It](https://bscan.info/recaptchaScoreCover.svg) ## reCAPTCHA Score Too Low? What It Means and How to Fix It "reCAPTCHA score too low" means Google rated your visit below the cutoff the site set, usually 0.5 on a 0.0–1.0 scale. Why it happens, how to raise it, and a live check of your score. Updated Sep 30, 2026 ](https://bscan.info/blog/recaptcha-score)[ ![How Websites Detect Your VPN (and How to Test Yours)](https://bscan.info/vpnDetectionCover.svg) ## How Websites Detect Your VPN (and How to Test Yours) Sites spot a VPN from the IP's owner, reputation lists, a time zone or language that still says home, and WebRTC. Run the live VPN detection test on your own browser. Updated Aug 25, 2026 ](https://bscan.info/blog/vpn-detection)[ ![Battery Fingerprinting: Your Charge Level Is a Tracker](https://bscan.info/batteryCover.svg) ## Battery Fingerprinting: Your Charge Level Is a Tracker Your charge level and time-to-empty are nearly unique for minutes — enough to re-link you across sites. See what the Battery Status API leaks, live. Updated Aug 25, 2026 ](https://bscan.info/blog/battery-fingerprinting)[ ![Why You Keep Getting CAPTCHAs (and How to Make Them Stop)](https://bscan.info/captchaCover.svg) ## Why You Keep Getting CAPTCHAs (and How to Make Them Stop) CAPTCHAs aren't random. A risk engine scored your IP, browser, cookies and behavior before the page loaded. Find the signal that flags you, and test it live. Updated Aug 20, 2026 ](https://bscan.info/blog/captcha-everywhere)[ ![How Websites Detect Your Ad Blocker (and When They're Wrong)](https://bscan.info/adblockDetectionCover.svg) ## How Websites Detect Your Ad Blocker (and When They're Wrong) Anti-adblock scripts plant fake ads and watch what happens to them. See the six traps, why they misfire on people with no blocker, and test yours live. Jul 20, 2026 ](https://bscan.info/blog/adblock-detection)[ ![Font Fingerprinting: Your Installed Fonts Give You Away](https://bscan.info/fontCover.svg) ## Font Fingerprinting: Your Installed Fonts Give You Away Any website can read your installed fonts with a rendering trick — no permission, no prompt. Test your font fingerprint live and see what your list reveals. Jul 20, 2026 ](https://bscan.info/blog/font-fingerprinting)[ ![Language Leak: Your VPN Doesn't Change Your Browser Language](https://bscan.info/languageCover.svg) ## Language Leak: Your VPN Doesn't Change Your Browser Language Every request your browser sends carries an Accept-Language header, and your VPN delivers it untouched. Test live whether your languages match your IP. Updated Aug 20, 2026 ](https://bscan.info/blog/language-leak)[ ![Timezone Leak: Your VPN Moves Your IP, Not Your Clock](https://bscan.info/timezoneCover.svg) ## Timezone Leak: Your VPN Moves Your IP, Not Your Clock Any website can read your OS timezone with one JavaScript call. If it disagrees with your VPN exit's location, you get flagged. Test it live here. Updated Aug 20, 2026 ](https://bscan.info/blog/timezone-leak)[ ![Are You Detectable as a Bot? Test Your Browser for Automation Leaks](https://bscan.info/botCover.svg) ## Are You Detectable as a Bot? Test Your Browser for Automation Leaks Selenium, Puppeteer and Playwright leave traces in the browsers they drive. Run a live test for the automation signals anti-bot systems check, and see why stealth plugins can make a bot easier to catch. Updated Oct 18, 2026 ](https://bscan.info/blog/bot-detection)[ ![One Browser, Five OS Claims: Why Platform Spoofs Get Caught](https://bscan.info/platformCover.svg) ## One Browser, Five OS Claims: Why Platform Spoofs Get Caught Your browser announces its operating system in five different places. Trackers cross-check them all, and one wrong answer exposes the spoof. Updated Sep 30, 2026 ](https://bscan.info/blog/platform-spoofing)[ ![Your User-Agent Lies. Your Chromium Version Doesn't.](https://bscan.info/chromiumVersionCover.svg) ## Your User-Agent Lies. Your Chromium Version Doesn't. User-Agent strings are easy to fake, but supported web features reveal the real Chromium version underneath - and a version mismatch makes you look spoofed. Updated Jun 11, 2026 ](https://bscan.info/blog/chromium-version)[ ![Zen Browser and Widevine: Why Netflix Won't Play](https://bscan.info/widevineCover.svg) ## Zen Browser and Widevine: Why Netflix Won't Play Zen Browser says Widevine DRM is supported, yet Netflix shows a black screen or an error. Why that happens (Verified Media Path) and what to do about it. Updated Sep 30, 2026 ](https://bscan.info/blog/widevine-drm)[ ![Audio Fingerprinting: The Sound of Tracking](https://bscan.info/audioCover.svg) ## Audio Fingerprinting: The Sound of Tracking How audio fingerprinting uses the Web Audio API to identify your device silently, with no microphone and no permission prompt, and what you can do to defend against it. Updated Jul 29, 2026 ](https://bscan.info/blog/audioFingerprinting)[ ![Camera Fingerprinting: Exposed by Your Webcam](https://bscan.info/cameraCover.svg) ## Camera Fingerprinting: Exposed by Your Webcam How websites use your camera's model name and capabilities to fingerprint and track you without ever recording a frame, and how to limit what they can see. Updated Jul 29, 2026 ](https://bscan.info/blog/cameraFingerprinting)[ ![Understanding IP Address Geolocation Inaccuracy](https://bscan.info/geoCover.svg) ## Understanding IP Address Geolocation Inaccuracy Learn why IP-based geolocation is not always accurate and how services like ipinfo.io and iphub.info are used to determine location. May 21, 2025 ](https://bscan.info/blog/ip-geolocation-accuracy)[ ![Comparing 5 Popular Adblockers](https://bscan.info/adblockCover.svg) ## Comparing 5 Popular Adblockers An in-depth comparison of 5 popular adblockers, including uBlock Origin, Adblock Plus, and Ghostery. Find out which adblocker offers the best protection and features. Updated Jul 20, 2026 ](https://bscan.info/blog/adblockComparison)[ ![Comparing a Normal and a Secure Browser](https://bscan.info/browserCompareCover.svg) ## Comparing a Normal and a Secure Browser Compare Incogniton and Chrome on browser fingerprinting and IP leak protection, and see what a privacy browser actually changes. Updated Jul 20, 2026 ](https://bscan.info/blog/browserCompare)[ ![WebRTC IP Leak: What It Is and How to Protect Yourself](https://bscan.info/webrtcCover.svg) ## WebRTC IP Leak: What It Is and How to Protect Yourself Learn how WebRTC can reveal your real IP address even when using a VPN, and discover methods to protect your online privacy from WebRTC IP leaks. Updated Aug 20, 2026 ](https://bscan.info/blog/webRTC)[ ![Canvas Fingerprinting: What Your Canvas Hash Gives Away](https://bscan.info/canvasCover.svg) ## Canvas Fingerprinting: What Your Canvas Hash Gives Away What a canvas hash is, how canvas fingerprinting identifies your browser without cookies, and how to protect yourself, with a live test of your own canvas hash. Updated Sep 30, 2026 ](https://bscan.info/blog/canvasHash) --- This is the page's server-rendered documentation. Interactive browser tests, file processing and permission prompts require the HTML page; Markdown does not contain live measurements or process files.