{"id":5051,"date":"2017-08-30T13:00:37","date_gmt":"2017-08-30T10:00:37","guid":{"rendered":"https:\/\/www.polar.com\/blog\/?p=5051"},"modified":"2022-09-09T16:46:00","modified_gmt":"2022-09-09T13:46:00","slug":"optical-heart-rate-tracking-polar","status":"publish","type":"post","link":"https:\/\/www.polar.com\/blog\/optical-heart-rate-tracking-polar\/","title":{"rendered":"What Is Optical Heart Rate Tracking?"},"content":{"rendered":null,"protected":false},"excerpt":{"rendered":"<p>What is optical heart rate tracking and how is it different from heart rate measured with a chest strap?<\/p>\n","protected":false},"author":1,"featured_media":13085,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[56],"tags":[],"content-type":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.polar.com\/blog\/wp-json\/wp\/v2\/posts\/5051"}],"collection":[{"href":"https:\/\/www.polar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.polar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.polar.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.polar.com\/blog\/wp-json\/wp\/v2\/comments?post=5051"}],"version-history":[{"count":41,"href":"https:\/\/www.polar.com\/blog\/wp-json\/wp\/v2\/posts\/5051\/revisions"}],"predecessor-version":[{"id":21907,"href":"https:\/\/www.polar.com\/blog\/wp-json\/wp\/v2\/posts\/5051\/revisions\/21907"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.polar.com\/blog\/wp-json\/wp\/v2\/media\/13085"}],"wp:attachment":[{"href":"https:\/\/www.polar.com\/blog\/wp-json\/wp\/v2\/media?parent=5051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.polar.com\/blog\/wp-json\/wp\/v2\/categories?post=5051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.polar.com\/blog\/wp-json\/wp\/v2\/tags?post=5051"},{"taxonomy":"content-type","embeddable":true,"href":"https:\/\/www.polar.com\/blog\/wp-json\/wp\/v2\/content-type?post=5051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}