1. Sitemap, check for your sitemap.xml file.
2. Robots. txt, is a text file that tells web robots which pages on your site to crawl.
3. Domain name. verification, with Google Webmaster Tools
4. SSL - (Secure Sockets Layer) is the standard security technology for an encrypted link between a web server and a browser.
5. Make your website Responsive, so it can be displayed on any device.
6. Fast loading graphics, the smaller in bytes, the better.
Check your website score at
www.websitegrader.com
www.gtmetrix.com
