Why speed matters, examples of the impact saving a few seconds of load time has had on revenue and engagement. The network constraints and what makes the web slow? Bandwidth, latency and it's fundamental impact on the speed of the web. An overview of tools for measuring performance, uptime monitoring, real user monitoring and performance benchmarking. How to make your website faster. Optimization tools and techniques. Muti-device challenges. Responsive vs Adaptive and delivering to mobile within a second. Drop that donut superman!
Learn more on the SpeedCurve blog
http://speedcurve.com/blog/
2. 100ms 1s 10s
Response Time in Man-computer Conversational Transactions
Robert B. Miller, 1968
Instant
Seamless Yawn!
Our perception of response time
3s - Recommended
Load Time
6.5s - Alexa 2000
Fall 2012
Miller Response Time 1968
3. Bing did some experiments
+1s - 2.8%
+1s$/
Time to click +2s
Bing
51. 1. Build mobile first responsive designs
2. Keep CSS background images in scoped media
queries
3. Conditionally load JavaScript and even HTML
fragments based on screen size and capabilities
4. Implement a responsive images solution
5. Handle retina images very carefully and err on the
side of performance
Jason Grigsby