"Page Auditor for Technical SEO" is an open source Google Chrome Extension created by Franco Folini. Once you added Page Auditor to your browser it will let you explore and analyze Structured Data, JavaScript scripts, Meta-Tags, Robots.txt and Sitemap.xml files from any webpage. All these elements are critical to improve the on-page SEO.
Repository from Github https://github.comfolini/Page-Auditor
