There are countless factors that influence website speed, including web hosts, DNS providers, and the application code – including third-party scripts and widgets. In other words, a business that generates $1 million per year could lose out on $70,000 in sales due to a slow website – that's an entire salary! How to Run Speed Tests According to one study, a mere one-second delay could cost an ecommerce business 7% of sales.

Several studies have shown that page load speed impacts conversion rates – whether it's a product sale or lead signup. That figure rises to 123% if the page load time goes from one second to 10! It's clear that internet users are growing increasingly impatient. According to ThinkWithGoogle, a 1- to 3-second increase in page load time increases the probability of a bounce by 32%. Website speed dramatically impacts the user experience, as measured by the bounce rate. While less than one percent of search queries are actually affected by page speed, those are large absolute numbers since the search engine processes more than two trillion searches per year! A slow website could hurt your investment in other SEO efforts. Website speed is one of 200 ranking factors in Google's search algorithm.

These expectations have been a driving force behind client-side JavaScript applications, such as Facebook's React framework, that's now ubiquitous among web applications. While dial-up internet users were patient in the 1990s, modern internet users expect instant page loads. Website speed has a significant impact on the success of any business.

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