Page loading speed is critical these days for user experience, particularly on mobile phones, and therefore for SEO. Research shows that a 1-second difference in loading time can have a huge impact on site conversions.

Luckily, there are some awesome plugins that make speeding up your site light work. Using them, you can get 95% of the possible performance boost using only FREE plugins.

https://2019.brisbane.wordcamp.org/session/how-to-make-your-site-load-5-times-faster-in-10-minutes-for-free/