1:"$Sreact.fragment"
8:I[96237,["/_next/static/chunks/12b9~mg3o6lnh.js","/_next/static/chunks/0xs8ni7jz0o1p.js"],"OutletBoundary"]
9:"$Sreact.suspense"
2:Ta09,{"@context":"https://schema.org","@graph":[{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://mailshade.org/"},{"@type":"ListItem","position":2,"name":"Platforms","item":"https://mailshade.org/platform/"},{"@type":"ListItem","position":3,"name":"Email tracker blocker for Gmail","item":"https://mailshade.org/platform/email-tracker-blocker-for-gmail/"}]},{"@type":"Article","headline":"Email tracker blocker for Gmail","description":"Mailshade cancels opted-in Gmail browser requests that match reviewed tracker-pixel endpoints and keeps local detection history in Chrome.","inLanguage":"en","image":"https://mailshade.org/og/platform/email-tracker-blocker-for-gmail.png","mainEntityOfPage":"https://mailshade.org/platform/email-tracker-blocker-for-gmail/","author":{"@type":"Organization","name":"Mailshade","url":"https://mailshade.org"},"publisher":{"@type":"Organization","name":"Mailshade","url":"https://mailshade.org"}},{"@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What does Gmail's image proxy change?","acceptedAnswer":{"@type":"Answer","text":"It can mask the browser's raw IP and serve an image through Google. Mailshade can cancel supported receiver-side Chrome requests that match reviewed tracker-pixel endpoints, but it cannot establish whether Google fetched or cached the image earlier."}},{"@type":"Question","name":"How is Mailshade's Gmail behavior verified?","acceptedAnswer":{"@type":"Answer","text":"The published methodology separates receiver-side direct requests, supported Gmail proxy URL forms, benign controls and local detection evidence. Comparative efficacy is reported only by a dated benchmark run."}},{"@type":"Question","name":"Does it work in the Gmail mobile app?","acceptedAnswer":{"@type":"Answer","text":"No. Mailshade is a Chrome MV3 extension for the Gmail web client at mail.google.com. The native mobile app does not support browser extensions."}},{"@type":"Question","name":"Will blocking trackers break Gmail images?","acceptedAnswer":{"@type":"Answer","text":"Mailshade cancels requests that match reviewed tracker-pixel endpoints rather than disabling all images; the benchmark uses benign controls to check that non-matching image requests continue to load."}},{"@type":"Question","name":"How much does the Gmail tracker blocker cost?","acceptedAnswer":{"@type":"Answer","text":"Core protection remains free after a 14-day Pro trial. Paid Pro starts at $3.99 per month or $19 one-time for Founders Lifetime, capped at the first 1000 seats."}}]}]}0:{"rsc":["$","$1","c",{"children":[["$","main",null,{"className":"container-x py-16","children":[["$","script",null,{"type":"application/ld+json","dangerouslySetInnerHTML":{"__html":"$2"}}],["$","article",null,{"className":"prose prose-ink max-w-none","children":[["$","h1",null,{"children":"Email tracker blocker for Gmail"}],["$","p",null,{"className":"text-lg text-ink-200","children":"Gmail's built-in image proxy masks the browser's raw IP, while Google may fetch remote images on its servers. After you opt into mail.google.com, Mailshade uses Chrome's declarativeNetRequest to cancel receiver-side Chrome requests that match its reviewed tracker-pixel endpoint catalog, including supported Gmail proxy URL forms. This demonstrates browser-side cancellation only; Google may have fetched or cached the remote image earlier. A local DOM scan detects pixels and supported tracking-link patterns in opened messages; recognized links offer the extracted direct destination or the original URL. Detected tracker occurrences are stored in local IndexedDB and charted by sender."}],"$L3","$L4","$L5"]}]]}],null,"$L6"]}],"isPartial":false,"staleTime":300,"varyParams":null,"buildId":"mailshade-static-v1"}
7:T4a1,<h2>Gmail proxy scope</h2><p>Gmail can serve remote images through Google's proxy. A Chrome extension can observe and cancel the receiver-side page request, but it cannot establish whether Google fetched or cached the remote asset earlier.</p><h2>What Mailshade does in Gmail</h2><ul><li>After opt-in, cancels receiver-side Chrome requests that match reviewed tracker-pixel endpoints, including supported Gmail proxy URL forms.</li><li>Shows a red-eye overlay naming the tracker endpoint detected in an opened message.</li><li>Detects supported tracking-link patterns locally and lets you choose direct or original.</li><li>Logs detected tracker occurrences to a per-sender dashboard in IndexedDB.</li></ul><h2>Evidence and limits</h2><p>The browser benchmark separately records direct requests, supported Gmail proxy forms and same-host benign controls. Its Gmail result describes receiver-side Chrome behavior and does not infer an earlier Google server fetch.</p><h2>Keep ordinary images</h2><p>Mailshade targets reviewed endpoint paths and supported proxy forms rather than disabling all remote images. The benchmark includes same-host benign controls to test that distinction.</p>3:["$","div",null,{"dangerouslySetInnerHTML":{"__html":"$7"}}]
4:["$","section",null,{"className":"mt-12","children":[["$","h2",null,{"children":"FAQ"}],[["$","details","0",{"className":"my-3","children":[["$","summary",null,{"className":"font-medium","children":"What does Gmail's image proxy change?"}],["$","p",null,{"className":"mt-2","children":"It can mask the browser's raw IP and serve an image through Google. Mailshade can cancel supported receiver-side Chrome requests that match reviewed tracker-pixel endpoints, but it cannot establish whether Google fetched or cached the image earlier."}]]}],["$","details","1",{"className":"my-3","children":[["$","summary",null,{"className":"font-medium","children":"How is Mailshade's Gmail behavior verified?"}],["$","p",null,{"className":"mt-2","children":"The published methodology separates receiver-side direct requests, supported Gmail proxy URL forms, benign controls and local detection evidence. Comparative efficacy is reported only by a dated benchmark run."}]]}],["$","details","2",{"className":"my-3","children":[["$","summary",null,{"className":"font-medium","children":"Does it work in the Gmail mobile app?"}],["$","p",null,{"className":"mt-2","children":"No. Mailshade is a Chrome MV3 extension for the Gmail web client at mail.google.com. The native mobile app does not support browser extensions."}]]}],["$","details","3",{"className":"my-3","children":[["$","summary",null,{"className":"font-medium","children":"Will blocking trackers break Gmail images?"}],["$","p",null,{"className":"mt-2","children":"Mailshade cancels requests that match reviewed tracker-pixel endpoints rather than disabling all images; the benchmark uses benign controls to check that non-matching image requests continue to load."}]]}],["$","details","4",{"className":"my-3","children":[["$","summary",null,{"className":"font-medium","children":"How much does the Gmail tracker blocker cost?"}],["$","p",null,{"className":"mt-2","children":"Core protection remains free after a 14-day Pro trial. Paid Pro starts at $3.99 per month or $19 one-time for Founders Lifetime, capped at the first 1000 seats."}]]}]]]}]
5:["$","nav",null,{"aria-label":"Related pages","className":"mt-12","children":[["$","h2",null,{"children":"Related"}],["$","ul",null,{"children":[["$","li","/guide/how-to-remove-tracking-pixels-in-gmail/",{"children":["$","a",null,{"href":"/guide/how-to-remove-tracking-pixels-in-gmail/","children":"How to remove tracking pixels in Gmail"}]}],["$","li","/compare/mailshade-vs-ugly-email/",{"children":["$","a",null,{"href":"/compare/mailshade-vs-ugly-email/","children":"Mailshade vs Ugly Email"}]}],["$","li","/compare/mailshade-vs-pixelblock/",{"children":["$","a",null,{"href":"/compare/mailshade-vs-pixelblock/","children":"Mailshade vs PixelBlock"}]}]]}]]}]
6:["$","$L8",null,{"children":["$","$9",null,{"name":"Next.MetadataOutlet","children":"$@a"}]}]
a:null
