1.0DataFlairhttps://data-flair.training/blogsrich600338<blockquote class="wp-embedded-content" data-secret="j3mQMWOxAB"><a href="https://data-flair.training/blogs/html-style-guide/">HTML Style Guide – HTML Coding Conventions</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://data-flair.training/blogs/html-style-guide/embed/#?secret=j3mQMWOxAB" width="600" height="338" title="“HTML Style Guide – HTML Coding Conventions” — DataFlair" data-secret="j3mQMWOxAB" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !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); //# sourceURL=https://data-flair.training/blogs/wp-includes/js/wp-embed.min.js </script> https://data-flair.training/blogs/wp-content/uploads/sites/2/2020/07/HTML-style-guide-df.jpg1200628HTML Style Guide - Learn abolut HTML Coding conventions and best practices to follow such as declaration of document type, use of lang attributes, closing tags, use of lowercase names for attributes and elements, quoting of values etc