anchor.diff:  
         $(document).ready(resize);
         $(window).resize(resize);
  -
  -      (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
  -      ga('create', 'UA-XXXX', 'apiemebd.com');
  -      ga('require', 'displayfeatures');
  -      ga('require', 'linkid', 'linkid.js');
  -      ga('send', 'pageview');
  
positive.code: - var title = 'API Embed';
  - var description = 'Embeddable API snippets';
  
  doctype html
  html(lang='en', itemscope, itemtype='http://schema.org/Product')
    head(prefix='og: http://ogp.me/ns# website: http://ogp.me/ns/website#')
      title= title
  
      meta(charset='utf-8')
      meta(http-equiv='X-UA-Compatible', content='IE=edge')
      meta(name='robots', content='index,follow')
      meta(name='viewport', content='width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no')
  
      meta(name='author', content= 'Mashape')
      meta(name='description', content= description)
  
      meta(itemprop='name', content='')
      meta(itemprop='description', content= description)
      meta(property='og:site_name', content= title)
      meta(property='og:title', content= title)
      meta(property='og:description', content= description)
      meta(property='og:locale', content='en_US')
      meta(property='og:url', content='https://apiembed.com/')
      meta(property='fb:admins', content='227304446')
  
      meta(name='twitter:card', content='summary')
      meta(name='twitter:site', content='@mashape')
      meta(name='twitter:title', content= title)
      meta(name='twitter:description', content= description)
      meta(name='twitter:creator', content='@mashapei')
      meta(name='twitter:url', content='https://apiembed.com')
      meta(name='twitter:domain', content='apiemebd.com')
  
      meta(name='google-site-verification', content='x0iiy6ABIM_ye0NrxlrXyD0xrLXuxuBIYFgnDcY_3Rk')
      meta(name='msvalidate.01', content='1531230360BB8F364EDBA26FCF41604D')
  
      link(rel='shortcut icon', href='/favicon.ico')
      link(rel='canonical', href='https://apiembed.com/')
      link(rel='author', href='https://www.mashape.com')
  
      link(rel='stylesheet', type='text/css', href='https://fonts.googleapis.com/css?family=Open+Sans:400,600|Source+Code+Pro:200,300,400,500,600,700,900', media='all')
      link(rel='stylesheet', type='text/css', href='https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.3.0/css/font-awesome.css', media='all')
  
negative.code:     block scripts
  
      script(type='text/javascript').
        !function(){var analytics=window.analytics=window.analytics||[];if(!analytics.initialize)if(analytics.invoked)window.console&&console.error&&console.error("Segment snippet included twice.");else{analytics.invoked=!0;analytics.methods=["trackSubmit","trackClick","trackLink","trackForm","pageview","identify","group","track","ready","alias","page","once","off","on"];analytics.factory=function(t){return function(){var e=Array.prototype.slice.call(arguments);e.unshift(t);analytics.push(e);return analytics}};for(var t=0;t<analytics.methods.length;t++){var e=analytics.methods[t];analytics[e]=analytics.factory(e)}analytics.load=function(t){var e=document.createElement("script");e.type="text/javascript";e.async=!0;e.src=("https:"===document.location.protocol?"https://":"http://")+"cdn.segment.com/analytics.js/v1/"+t+"/analytics.min.js";var n=document.getElementsByTagName("script")[0];n.parentNode.insertBefore(e,n)};analytics.SNIPPET_VERSION="3.0.1";
        analytics.load('glE7BoNxEH1GJHW3GQApbhID3oKX6FGx');
        analytics.page()
        }}();
  
      script(type='text/javascript').
        function resize () {
          // calculate the new height
          var height = $(window).height();
  