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Firefox blocks fingerprinting
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A digital fingerprint is created when a company makes a unique profile of you based on your computer hardware, software, add-ons, and even preferences. Your settings like the screen you use, the fonts installed on your computer, and even your choice of a web browser can all be used to create a fingerprint.</p> <p>If you have a commonly used laptop, PC or smartphone, it may be harder to uniquely identify your device through fingerprinting. However, the more unique add-ons, fonts, and settings you have, the easier you’ll be likely to find. Companies can use this unique combination of information to create your fingerprint. That’s why Firefox blocks known fingerprinting, so you can still use your favorite extensions, themes and customization without being followed by ads.</p> <h2>Fingerprinting is bad for the web</h2> <p>The practice of fingerprinting allows you to be <a href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://hal.inria.fr/hal-01652021/document" rel="external noopener" target="_blank">tracked for months</a>, even when you clear your browser storage or use private browsing mode — disregarding clear indications from you that you don’t want to be tracked. Despite a near complete agreement between <a href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://w3c.github.io/fingerprinting-guidance/" rel="external noopener">standards</a> <a href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://w3ctag.github.io/unsanctioned-tracking/" rel="external noopener">bodies</a> and <a href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://www.blog.google/products/chrome/building-a-more-private-web" rel="external noopener">browser</a> <a href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://www.apple.com/safari/docs/Safari_White_Paper_Nov_2019.pdf" rel="external noopener" target="_blank">vendors</a> that fingerprinting is <a href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://wiki.mozilla.org/Security/Anti_tracking_policy" rel="external noopener">harmful</a>, its use on the web <a href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://www.cosic.esat.kuleuven.be/fpdetective/%23paper" rel="external noopener">has</a> <a href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://webtransparency.cs.princeton.edu/webcensus/" rel="external noopener">steadily</a> <a href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://sensor-js.xyz/" rel="external noopener">increased</a> over the past decade.</p> <h2>Firefox blocks fingerprinting</h2> <p>The latest Firefox browser protects you against fingerprinting by blocking third-party requests to companies that are known to participate in fingerprinting. We’ve worked hard to enable this privacy protection while not breaking the websites you enjoy visiting. (Read more here, if you want the <a href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://blog.mozilla.org/security/2020/01/07/firefox-72-fingerprinting/" rel="external noopener">technical details</a>.)</p> <p>And it’s not a deep setting you need to dig around to find. In the latest Firefox browser, fingerprint blocking is the standard, default setting. Visit your <a href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://support.mozilla.org/kb/enhanced-tracking-protection-firefox-desktop%23w_protections-dashboard" rel="external noopener">privacy protections dashboard</a> to see how you’re being tracked behind the scenes and how Firefox prevents it.</p> <p>You probably wouldn’t appreciate someone tracking your moves in real life. There’s no reason to accept it online. If you don’t already have Firefox, <a href="https://www-mozilla-org.translate.goog/en-US/firefox/new/?_x_tr_sl=pl&_x_tr_tl=tr&_x_tr_hl=en-GB">download and protect yourself</a> from digital fingerprinting.</p> </article> </div> </div> <section class="mzp-c-split c-feature-footer mzp-l-split-reversed mzp-t-content-lg"> <div class="mzp-c-split-container"> <div class="mzp-c-split-media"><img src="https://www.mozilla.org/media/img/firefox/features/footer-browser.99b7cb88ef97.png" srcset="https://www-mozilla-org.translate.goog/media/img/firefox/features/footer-browser-high-res.2753a6aea07d.png?_x_tr_sl=pl&_x_tr_tl=tr&_x_tr_hl=en-GB 2x" alt="" width="400"> </div> <div class="mzp-c-split-body"> <h3>Do more with Firefox</h3> <p>Get the fast, lightweight, privacy-focused browser that’s backed by a non-profit and works across all your devices.</p> <div id="features-footer-download" class="mzp-c-button-download-container c-button-download-thanks"><a href="https://www-mozilla-org.translate.goog/firefox/download/thanks/?_x_tr_sl=pl&_x_tr_tl=tr&_x_tr_hl=en-GB" class="download-link c-button-download-thanks-link mzp-c-button mzp-t-product mzp-t-product mzp-t-lg" data-direct-link="https://download.mozilla.org/?product=firefox-stub&os=win&lang=en-US" data-testid="features-footer-download" data-cta-text="Download Firefox" data-cta-position="footer"> Download Firefox </a> <div class="fx-unsupported-message win" data-nosnippet="true"> <p><strong>Firefox is <a href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://support.mozilla.org/kb/firefox-users-windows-7-8-and-81-moving-extended-support">no longer supported</a> on Windows 8.1 and below.</strong></p> <p>Please download Firefox ESR (Extended Support Release) to use Firefox.</p> <div class="download-platform-list"> <p><a class="mzp-c-button mzp-t-product download-link os_win64 ga-product-download" href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://download.mozilla.org/?product%3Dfirefox-esr115-latest-ssl%26os%3Dwin64%26lang%3Den-US" data-download-version="win64" data-cta-text="Download Firefox Extended Support Release 64-bit" data-cta-type="firefox"> Download Firefox ESR 64-bit </a></p> <p><a class="mzp-c-button mzp-t-product download-link os_win ga-product-download" href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://download.mozilla.org/?product%3Dfirefox-esr115-latest-ssl%26os%3Dwin%26lang%3Den-US" data-download-version="win" data-cta-text="Download Firefox Extended Support Release 32-bit" data-cta-type="firefox"> Download Firefox ESR 32-bit </a></p><small class="fx-unsupported-message-all-link"> <a href="https://www-mozilla-org.translate.goog/en-US/firefox/all/desktop-esr/?_x_tr_sl=pl&_x_tr_tl=tr&_x_tr_hl=en-GB"> Download a different build </a> </small> </div> </div> <div class="fx-unsupported-message mac" data-nosnippet="true"> <p><strong>Firefox is <a href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://support.mozilla.org/kb/firefox-users-macos-1012-1013-1014-moving-to-extended-support">no longer supported</a> on macOS 10.14 and below.</strong></p> <p>Please download Firefox ESR (Extended Support Release) to use Firefox.</p> <div class="download-platform-list"><a class="mzp-c-button mzp-t-product download-link ga-product-download" href="https://translate.google.com/website?sl=pl&tl=tr&hl=en-GB&u=https://download.mozilla.org/?product%3Dfirefox-esr115-latest-ssl%26os%3Dosx%26lang%3Den-US" data-download-version="osx" data-cta-text="Firefox Extended Support Release MacOS" data-cta-type="firefox"> Download Firefox ESR </a> </div> </div><small class="mzp-c-button-download-privacy-link"> <a href="https://www-mozilla-org.translate.goog/en-US/privacy/firefox/?_x_tr_sl=pl&_x_tr_tl=tr&_x_tr_hl=en-GB"> Firefox Privacy Notice </a> </small> </div> </div> </div> </section> <footer class="moz24-footer" 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