the internet is slowing down, fast
TRANSCRIPT
We are focusing on:
● User Interface● User Experience● Search Engine Optimization● Accessibility● Testability● Code Quality
This is how our mind works
1-100ms100-300ms
300-1000ms1s+
10s+
InstantSlight perceptible delayTask focus, perceptible delayMental context switchI’ll come back later
More pressure for mobile
56% of users say that they expect the mobile web to be
faster than the desktop web.
To make our sites faster
1. Optimize images, CSS, HTML, JS2. PNG vs JPG vs SVG3. Minimize CSS, HTML, JS4. Leverage browser cache5. Gzip6. Avoid unnecessary redirects7. Leverage CDNs8. Measure and Test
To make our sites feel faster
It’s all about user perception.
1. Avoid blank pages2. Animations3. Asynchronous operations
Conclusions
1. Speed can’t be an afterthought2. It involves everyone: designers, devs, QAs3. We can automate most of it