Page loading time is obviously an important part of any website’s user experience. It's also becoming a more important factor when it comes to search engine rankings.
This infographic examines how long users are willing to wait for a site to load before they abandon your page, and the consequences of slow loading pages on customer satisfaction, retention and word of mouth.
You can test your site speed using various free online tools, for example Think with Google.
And to find out how you can decrease your page load time this article gives you some places to start, including how saving images using the 'save for web' option to drastically reduce the size of images.
I hope it helps.Read more: Does your website give the right first impression?