Chrome browser is owned by Google. It is therefore possible for the company to use recorded data to get a clear perspective of the page loading speed. Other additional factors that the search engine can gather from Chrome include the CDN usage account server speed, and non HTML factors that have an impact on the speed. MediaOne – Singapore’s most eminent SEO consultancy strongly recommend’s using https://developers.google.com/speed/pagespeed/insights/ to ascertain the website’s download speed on Mobile and Desktop. Both should score at least 70/100 especially for Mobile because Google now feels that since most searches are conducted on mobile devices such as smartphones and tablets, it has the stronger predicator. Consult with MediaOne to see how you can increase your page speed to the optimal 80+/100.