{"version":"1.0","provider_name":"Ourdemy","provider_url":"https:\/\/ourdemy.com\/ja","title":"Protecting Online Course Content with Watermarks - Ourdemy","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"HlgY8SGNDN\"><a href=\"https:\/\/ourdemy.com\/ja\/protecting-online-course-content-with-watermarks\/\">\u30aa\u30f3\u30e9\u30a4\u30f3\u8b1b\u5ea7\u306e\u8457\u4f5c\u6a29\u3092\u5b88\u308b\u305f\u3081\u306e\u30a6\u30a9\u30fc\u30bf\u30fc\u30de\u30fc\u30af\u6d3b\u7528\u6cd5<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/ourdemy.com\/ja\/protecting-online-course-content-with-watermarks\/embed\/#?secret=HlgY8SGNDN\" width=\"600\" height=\"338\" title=\"&#8220;Protecting Online Course Content with Watermarks&#8221; &#8212; Ourdemy\" data-secret=\"HlgY8SGNDN\" 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:\/\/ourdemy.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/ourdemy.com\/wp-content\/uploads\/2026\/01\/3900b62d-1e1e-44fb-938a-2e46f87d574b.png","thumbnail_width":1024,"thumbnail_height":914,"description":"Introduction In online teaching, lecture videos are the most valuable assets for instructors. They represent hours of preparation, years of teaching experience, and accumulated expertise. That\u2019s why many educators are concerned about: In reality, watermarks are not meant to \u201cruin\u201d videos, but to protect content in a subtle and professional way. This article focuses on how to add watermarks correctly to lecture videos, especially: 1. Watermarking lecture videos: how to do it right without backfiring Watermarks help protect content, but only when used correctly. Many lecture videos look unprofessional not because watermarks are bad, but because they are used improperly. Common mistakes \u274c Watermarks that are too large \u274c Placing [&hellip;]"}