{"version":"1.0","provider_name":"Chesterfield Blogs","provider_url":"https:\/\/blog.chesterfield.com\/uk","author_name":"Melle","author_url":"https:\/\/blog.chesterfield.com\/uk\/author\/melle\/","title":"Chesterfield Sofa Springs: A Guide to Support & Durability - Chesterfield Blogs","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"JCVZHgdzix\"><a href=\"https:\/\/blog.chesterfield.com\/uk\/chesterfield-sofa-springs-a-guide-to-support-durability\/\">Chesterfield Sofa Springs: A Guide to Support &#038; Durability<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/blog.chesterfield.com\/uk\/chesterfield-sofa-springs-a-guide-to-support-durability\/embed\/#?secret=JCVZHgdzix\" width=\"600\" height=\"338\" title=\"&#8220;Chesterfield Sofa Springs: A Guide to Support &#038; Durability&#8221; &#8212; Chesterfield Blogs\" data-secret=\"JCVZHgdzix\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/blog.chesterfield.com\/uk\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/blog.chesterfield.com\/uk\/wp-content\/uploads\/2026\/03\/Chesterfield_atw_chesterfield_sofa_seat_construction_a_guide_to_springs_and_support_systems-768x512.png","thumbnail_width":600,"thumbnail_height":400,"description":"When investing in a Chesterfield sofa, understanding its internal construction is paramount. The presence and type of spring system are definitive markers of quality and enduring comfort. This guide delves into the spring systems that underpin authentic Chesterfields, explaining their critical role in achieving legendary durability and support. Anatomy of Support: Spring Types in Chesterfield [&hellip;]"}