Paypal is a service used by millions of people around the world to pay and get paid online. Available in 202 countries and 25 languages they are the de facto solution for online transactions. Their home page is largely a product showcase, designed to encourage users to sign up. We have a look at how they are doing in terms of Front-end performance.



The Paypal site does fairly well on performance measures but there is definitely room for improvement.

The biggest improvement Paypal can make would be to minimise requests by combining CSS and js files, minifying CSS and js files, optimising images and considering the impact of the autoplaying video on users.

Device detection is a bit of an odd choice is this day and age. It’s difficult to do and easy to make bad guesses, mostly due to the fact that you need to keep a big list of every device ever and keep it up to date. It’s more future-friendly and maintainable to use feature detection (perhaps using a tool like Modernizr). Changing up there would be a good chance to switch to a responsive site, like one or two other big names have done.

Published on Friday 26th August 2016.

Steve Barnett (@maxbarners) and Justin Slack (@justin_r_slack)

CTFEDs Organising Team