Why Should We Work on Web Performance?

tldr; It affects conversions. It makes it possible to get your product into low-bandwidth and mobile-only areas. Users get more work done before running out of patience or time. There’s lots of evidence and studies for all of this.

It affects conversions

Makes it possible to get into low-bandwidth and mobile-only areas

Users get more work done before running of patience or time

  • Nobody likes waiting, and patience and willpower are finite. If our experience is slow, users would rather be somewhere else, like Facebook, Youtube, Twitter, Baidu, etc.

Here are some web performance experiments to prove it

Akamai and Gomez.com found:

  • Speed is a Killer - KissMetrics
  • Nearly half of web users expect a site to load in 2 seconds or less. - Users tend to abandon a site that isn’t loaded within 3 seconds. - 79% of web shoppers who have trouble with site performance say they won’t return to buy again and around 44% would tell a friend if they had a poor experience

Google found:

Amazon found:

HTTPArchive found:

Radware found:

Web Performance Today found:

Ericsson Mobility Report found: