{"id":64963,"date":"2019-10-24T01:35:00","date_gmt":"2019-10-24T01:35:00","guid":{"rendered":"https:\/\/blog.mozilla.org\/foxtail\/?p=64963"},"modified":"2021-05-19T01:44:28","modified_gmt":"2021-05-19T01:44:28","slug":"whats-a-tracker","status":"publish","type":"post","link":"https:\/\/blog.mozilla.org\/en\/privacy-security\/whats-a-tracker\/","title":{"rendered":"What&#8217;s a tracker?"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":727,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[289374],"tags":[],"coauthors":[311664],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What&#039;s a tracker?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.mozilla.org\/en\/privacy-security\/whats-a-tracker\/\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.mozilla.org\/en\/privacy-security\/whats-a-tracker\/\",\"url\":\"https:\/\/blog.mozilla.org\/en\/privacy-security\/whats-a-tracker\/\",\"name\":\"What's a tracker?\",\"isPartOf\":{\"@id\":\"https:\/\/blog.mozilla.org\/en\/#website\"},\"datePublished\":\"2019-10-24T01:35:00+00:00\",\"dateModified\":\"2021-05-19T01:44:28+00:00\",\"author\":{\"@id\":\"https:\/\/blog.mozilla.org\/en\/#\/schema\/person\/5c987afc4f606be73692d2acfdd1316c\"},\"breadcrumb\":{\"@id\":\"https:\/\/blog.mozilla.org\/en\/privacy-security\/whats-a-tracker\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blog.mozilla.org\/en\/privacy-security\/whats-a-tracker\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blog.mozilla.org\/en\/privacy-security\/whats-a-tracker\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/blog.mozilla.org\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What&#8217;s a tracker?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blog.mozilla.org\/en\/#website\",\"url\":\"https:\/\/blog.mozilla.org\/en\/\",\"name\":\"The Mozilla Blog\",\"description\":\"News and Updates about Mozilla\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blog.mozilla.org\/en\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/blog.mozilla.org\/en\/#\/schema\/person\/5c987afc4f606be73692d2acfdd1316c\",\"name\":\"M.J. Kelly\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/blog.mozilla.org\/en\/#\/schema\/person\/image\/70718b02fa9f11d88288b937f1da2ac1\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/d61ff6a9eb6dd324df20cb773e6c416e?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/d61ff6a9eb6dd324df20cb773e6c416e?s=96&d=mm&r=g\",\"caption\":\"M.J. Kelly\"},\"description\":\"Mozilla Communications\",\"url\":\"https:\/\/blog.mozilla.org\/en\/author\/mjkellymozilla-com\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What's a tracker?","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blog.mozilla.org\/en\/privacy-security\/whats-a-tracker\/","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/blog.mozilla.org\/en\/privacy-security\/whats-a-tracker\/","url":"https:\/\/blog.mozilla.org\/en\/privacy-security\/whats-a-tracker\/","name":"What's a tracker?","isPartOf":{"@id":"https:\/\/blog.mozilla.org\/en\/#website"},"datePublished":"2019-10-24T01:35:00+00:00","dateModified":"2021-05-19T01:44:28+00:00","author":{"@id":"https:\/\/blog.mozilla.org\/en\/#\/schema\/person\/5c987afc4f606be73692d2acfdd1316c"},"breadcrumb":{"@id":"https:\/\/blog.mozilla.org\/en\/privacy-security\/whats-a-tracker\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/blog.mozilla.org\/en\/privacy-security\/whats-a-tracker\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/blog.mozilla.org\/en\/privacy-security\/whats-a-tracker\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/blog.mozilla.org\/en\/"},{"@type":"ListItem","position":2,"name":"What&#8217;s a tracker?"}]},{"@type":"WebSite","@id":"https:\/\/blog.mozilla.org\/en\/#website","url":"https:\/\/blog.mozilla.org\/en\/","name":"The Mozilla Blog","description":"News and Updates about Mozilla","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blog.mozilla.org\/en\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/blog.mozilla.org\/en\/#\/schema\/person\/5c987afc4f606be73692d2acfdd1316c","name":"M.J. Kelly","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/blog.mozilla.org\/en\/#\/schema\/person\/image\/70718b02fa9f11d88288b937f1da2ac1","url":"https:\/\/secure.gravatar.com\/avatar\/d61ff6a9eb6dd324df20cb773e6c416e?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d61ff6a9eb6dd324df20cb773e6c416e?s=96&d=mm&r=g","caption":"M.J. Kelly"},"description":"Mozilla Communications","url":"https:\/\/blog.mozilla.org\/en\/author\/mjkellymozilla-com\/"}]}},"_links":{"self":[{"href":"https:\/\/blog.mozilla.org\/en\/wp-json\/wp\/v2\/posts\/64963"}],"collection":[{"href":"https:\/\/blog.mozilla.org\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.mozilla.org\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.mozilla.org\/en\/wp-json\/wp\/v2\/users\/727"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.mozilla.org\/en\/wp-json\/wp\/v2\/comments?post=64963"}],"version-history":[{"count":0,"href":"https:\/\/blog.mozilla.org\/en\/wp-json\/wp\/v2\/posts\/64963\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.mozilla.org\/en\/wp-json\/wp\/v2\/media?parent=64963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.mozilla.org\/en\/wp-json\/wp\/v2\/categories?post=64963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.mozilla.org\/en\/wp-json\/wp\/v2\/tags?post=64963"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/blog.mozilla.org\/en\/wp-json\/wp\/v2\/coauthors?post=64963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}