Moore vs. May - everything is faster and better: we can fix that
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This document summarizes a presentation about improving efficiency and performance on the web. It discusses Moore's Law, which states that computers get faster every two years, and May's Law, which says software efficiency halves every 18 months to compensate. However, web development has focused too much on innovation and new technologies rather than optimization. As a result, median page load times are over 5 seconds. The document calls for developers to focus on fixing existing issues, improving efficiency, and testing new standards like ES6 before adopting them widely. It argues for less hype and more focus on users, technical limitations, and fixing broken aspects of the current web.
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Moore vs. May - everything is faster and better: we can fix that
- 1. MOORE VS. MAY Everything’s faster and better – we can fix that! Chris Heilmann @codepo8, Halfstackconf, London, Nov 2015
- 2. Moore’s Law: (﴾paraphrased)﴿ Computers get faster, better, cheaper and are more available every two years.
- 3. May’s Law: (﴾paraphrased)﴿ Software efficiency halves every 18 months, compensating Moore’s law.
- 4. https://www.flickr.com/photos/56218409@N03/19216130670 WE MOVE FAST AND RUN IN CIRCLES
- 5. We’re all about the Moore… (﴾and we keep wanting more)﴿
- 6. WE WORK WITH AMAZING HARDWARE…
- 7. WE WORK WITH GREAT CONNECTIVITY…
- 8. WE GET PAID WELL – FOR A JOB WE LIKE https://www.flickr.com/photos/31317832@N05/4326186183
- 9. WE WORK WITH AMAZING BROWSERS
- 10. BROWSERS THAT GIVE OUR USERS FUNCTIONALITY WE DON’T EVER USE BUT THEY APPRECIATE…
- 11. BROWSER DO AN INCREDIBLE AMOUNT OF WORK FOR US… • Display of all kind of media content • Fix minor mistakes in our code • Optimise our code to run smoothly • Provide us with developer tools • Provide us with deep insights what our code does to the computer • Allow us to automate testing in them and debug remotely on devices we don’t even own (﴾using 3rd party services)﴿
- 12. So how come we made the web all about May’s law?
- 13. http://www.webperformancetoday.com/2015/09/08/deja-vu-all-over-again/ THE WEB IS IN A SORRY STATE… • The median page’s time to interact is 5.5 seconds, and fully loads in just over 15 seconds. • The median page is 2MB in size and contains 170 resources
- 16. https://www.flickr.com/photos/38497891@N04/4151566643 WE LIVE IN A HYPE FUELLED ENVIRONMENT
- 17. WE KEEP PROJECTING… US OUR AUDIENCE TECHNICAL PROFICIENCY, INTEREST IN CHANGE AND UPGRADES, INTEREST IN SPENDING MONEY ON THE WEB FOR WEB SERVICES…
- 18. OR, ACTUALLY… US OUR AUDIENCE TECHNICAL PROFICIENCY, INTEREST IN CHANGE AND UPGRADES, INTEREST IN SPENDING MONEY ON THE WEB FOR WEB SERVICES…
- 19. 🐴💩
- 20. TIME TO GET REAL… US OUR ASSUMED AUDIENCE OUR AUDIENCE TECHNICAL PROFICIENCY, INTEREST IN CHANGE AND UPGRADES, INTEREST IN SPENDING MONEY ON THE WEB FOR WEB SERVICES…
- 21. AS DEVELOPERS, WE ARE ASKED TO DO THE IMPOSSIBLE… • Make it work the same in every browser • Make it easy to maintain and we want to control everything • Make sure it is also accessible -‐ I think there’s a law we need to follow • Don’t spent too much time on it -‐ let’s release it now and fix it later! • Use this analytics code you have no clue about -‐ we need to know how people use our products
- 22. WHAT DOES THIS CODE DO?
- 23. https://www.flickr.com/photos/73645804@N00/2473052504 JUST FIND THE RIGHT BRICKS AND ASSEMBLE SOMETHING GREAT!
- 24. https://www.flickr.com/photos/27429206@N02/4290544535 THE AMAZING TECH OF TODAY IS THE RUBBISH OF TOMORROW…
- 25. I CURRENTLY WORK WITH A CLEANUP CREW… http://dev.modern.ie/tools/staticscan/ https://github.com/MicrosoftEdge/static-‐code-‐scan
- 26. A simple way to detect how old a part of our massive site is checking which version of jQuery was used in that part of it. It’s like rings in a tree trunk. https://www.flickr.com/photos/91183364@N08/13916636762 “
- 27. WE BREAK THE WEB FOR THE SAKE OF DEVELOPER CONVENIENCE…
- 28. https://www.flickr.com/photos/56844027@N05/5634567317 WE SHOULD WORRY A LOT MORE ABOUT COST…
- 29. COST FOR DEVELOPERS… • Learning new frameworks • Re-‐learning frameworks • Debugging frameworks • Setting up developer environments • Cutting down on possible hires/ adding to onboarding time
- 30. WAITING FOR NPM TO FINISH INSTALLING…
- 31. THE REAL IMPORTANT BIT IS THE COST FOR OUR USERS… • Time to load / execute • Bandwidth used • CPU usage • Frame rate (﴾60 fps)﴿ • Memory usage • Battery
- 32. THE JAVASCRIPT LEARNING PROCESS HAS ALWAYS BEEN INTERESTING… • Use view source to see what others are doing… • Copy and paste the bits that look like they are responsible for some things • Change some numbers around • Run into errors • Blame Internet Explorer
- 33. THIS, OF COURSE, WAS WRONG AND WE GOT MORE PROFESSIONAL… • Search for a solution on Stackoverflow • Copy and paste the bits that look like they are responsible for some things • Change some numbers around • Run into errors • Blame JavaScript for being terrible and not a real language • For good measure, blame Internet Explorer.
- 34. WE ARE RUNNING OUT OF BOTH EXCUSES…
- 35. 1997 2015 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 1997 ECMAScript1 1998 ECMAScript2 1999 ECMAScript3 2005 -‐ 2007 ECMAScript4 -‐ Abandoned 2009 ECMAScript5 2015 ECMAScript6 JAVASCRIPT GREW UP… • 5+ years since ES5 ratification • Significant changes in 15+ years • Backwards compatible • Ratified June 2015 http://www.ecma-‐international.org/publications/standards/Ecma-‐262.htm
- 36. SUPPORT IS ENCOURAGING (﴾EDGE, FIREFOX, CHROME, SAFARI (﴾ON 9)﴿)﴿ http://kangax.github.io/compat-table/es6/
- 37. NUMBERS! Current status (﴾October 2015)﴿: Desktop: Edge 13: 80% Firefox 42: 71% Chrome 47/Opera 34: 63 % Safari 9: 54% (﴾former 21%!)﴿ Mobile: Android 5.1: 29% iOS9: 54% http://kangax.github.io/compat-table/es6/
- 38. IT IS STILL THE SIMPLEST, MOST VERSATILE AND INVITING LANGUAGE OUT THERE…
- 39. WE’RE GOING FULL SPEED ON INNOVATION… • Componentised Web • Extensible Web Manifesto • WebGL • WebAssembly/ASM.js • PostCSS • Progressive Apps
- 42. WE COULD REPLACE THE OLD WEB…
- 43. WE’RE TRYING TO FORCE THINGS…
- 44. WITH ES6 WE HAVE A CLEAN NEW SLATE…
- 51. UTF-‐8, BABY…
- 52. THE NEW BASELINE IS HERE!
- 53. THE NEW BASELINE IS HERE!
- 54. MAYBE IT IS PRUDENT TO CALM THE F… DOWN A BIT!
- 55. FREE TIME PROJECTS USED TO BE ABOUT FUN AND EXPERIMENTATION… http://sephie-‐monster.deviantart.com/art/Mythbusters-‐153616339
- 57. Library Builders map, set & weakmap __proto__ Proxies Symbols Sub7classable built7ins Scalable Apps let, const & block7 scoped bindings Classes Promises Iterators Generators Typed arrays Modules Syntactic Sugar Arrow functions Enhanced object literals Template strings Destructuring Rest, Spread, Default String, Math, Number, Object, RegExp APIs JAVASCRIPT CATERS TO DIFFERENT AUDIENCES…
- 58. https://www.flickr.com/photos/48066826@N02/5034289376 TIME TO CALM DOWN AND CONCENTRATE ON THE BROKEN THINGS…
- 59. LENDING A HELPING HAND…
- 60. LET’S TURN COMPETITION INTO EDUCATION AND FUN AGAIN!