The official Google webmaster blog reports that the organic search bounce rate decreased by 20%. The company associates it with the website speed: when the page speed has become a ranking factor in mobile search results, the website loading has become faster.
Over the past year, developers have made more than a billion tests of the PageSpeed Insights Tool and analyzed more than 200 million unique URLs. The results showed that the site speed had increased in 95% of all countries and user experience ranking factors for the websites that previously were considered the slowest in 2018, improved by 15-20%.
«Mobile usability of the websites is a ranking factor in Google. Make sure that your website pages do not have serious problems that prevent user’s interaction with the website. Analyze your page’s performance with Google tools: Google: PageSpeed Insights, Think With Google, Mobile Frendly Tool».
Technologist SEO-expert of the SEO.RU Company