We enabled site tuning after upgrading smarterstats ent 6.x to 7.x When we submit the scan site from site tuning menu scan initiates and shows scan completed. Upon checking by severity section - medium we found following error A sitemap could not be found in robot.txt. Add a site map to the robots.txt file. For more help refer to the online help. in case we remove robots.txt it shows different error robots.txt missing What is correct way to run site tuning and what changes are required on client's site.