{"version":"1.0","provider_name":"Push Climbing","provider_url":"https:\/\/pushclimbing.vn\/vi","author_name":"PaulPush","author_url":"https:\/\/pushclimbing.vn\/vi\/author\/paulpush\/","title":"Grading System - Push Climbing","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"CaufuemdHY\"><a href=\"https:\/\/pushclimbing.vn\/vi\/lessons\/grading-system-3\/\">H\u1ec7 Th\u1ed1ng \u0110\u1ed9 Kh\u00f3<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/pushclimbing.vn\/vi\/lessons\/grading-system-3\/embed\/#?secret=CaufuemdHY\" width=\"600\" height=\"338\" title=\"&#8220;Grading System&#8221; &#8212; Push Climbing\" data-secret=\"CaufuemdHY\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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:\/\/pushclimbing.vn\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>","thumbnail_url":"https:\/\/pushclimbing.vn\/wp-content\/uploads\/2026\/03\/Grading-System-1.png","thumbnail_width":600,"thumbnail_height":314,"description":"THE GRADING SYSTEM Climbing grades are easy enough to understand. The bigger the number the more difficult the climb. Right? While this is true, understanding the nuances of climbing grades, both in the climbing gym [...]"}