EdgeConf - Page Load Performance Opening Talk
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The document discusses improving page load performance on websites. It notes that many sites are currently too slow and outlines some strategies to minimize latency, round trips, and blocking of page loads. These include prioritizing important content in the first round trip, automating optimization processes, and measuring performance directly in the user's browser to better understand why pages are slow and how to fix those issues. The document emphasizes that performance is an important part of user experience that needs more consideration in website design.
EdgeConf - Page Load Performance Opening Talk
- 1. Page Load Performance #EdgeConf 3, Mar 2014
- 3. The web is too slow http://www.flickr.com/photos/the_justified_sinner/3507390621
- 4. The web is too slow http://www.flickr.com/photos/the_justified_sinner/3507390621
- 5. Too may sites are too slow http://www.flickr.com/photos/the_justified_sinner/3507390621
- 6. - Minimise Latency! ! - Minimise Round Trips! ! - Minimise Blocking We know how to make sites fast!
- 7. Maximise value from first round trip Guardian divide page load into! ! - Content! ! - Enhancements! ! - Leftovers
- 8. Browsers are doing a great job http://www.flickr.com/photos/brianauer/2197218356/
- 9. HTTP/2
- 10. But we keep adding more and more to our pages http://www.flickr.com/photos/70601645@N00/383984327
- 11. and including more render blocking requests http://www.flickr.com/photos/timo/3995227
- 12. We can automate optimisation http://www.flickr.com/photos/freshwater2006/693945631
- 13. We’ve got some great tools
- 14. We can measure in the visitor’s browser - Page level timings! ! - Resource level timings! ! - User defined timing points
- 15. We need to move beyond ‘which pages are slow?’
- 16. To why are they slow?
- 17. To how do we fix them?
- 18. Performance is a facet of User Experience http://www.flickr.com/photos/21218849@N03/8638895168
- 19. We need to design for it http://www.flickr.com/photos/9760699@N08/3748770917
- 21. We’ve come a long way… http://www.flickr.com/photos/proimos/5452083285 …but we’ve still a way to go