Website speed and performance refers to how quickly a browser is able to load fully functional pages from a given site. For every half second it takes for your page to load, half of your users will leave. Poorly performing sites that render slowly in a browser will drive users away. 

Sites that load quickly will typically receive more traffic and have better conversion rates. Hey Check It measures your site speed, and gives you practical information on how to address the issues slowing your site. Make your site a delightful and fast experience for your users!