Mik DunneMay 9, 2015 What Is Google Webmaster Tools Google Webmaster Tools is a free tool provided by Google to help website owners and webmasters understand how their site is performing on Google and to help identify any technical issues that Google finds while crawling the site. Google Webmaster Tools is also designed to help … Continue reading How To Use the Data Highlighter Tool In Google Webmaster Tools to Add Schema Mark-up to Your Site