Speed is paramount for the success of a website (key for a good conversion rate and SEO). Unfortunately Webperformance is not a strong suite of a vanilla Rails application.
Let’s optimize an example Ruby on Rails 5.2 web shop application and analyze before/after times. I’ll show the audience where it makes sense to spend time to optimize and where not. Use the new 5.2 goodies!
Side effect: By making your Rails app faster you’ll save server costs.