Reaching Everyone, Fast at From the Front, 2015

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Reaching Everyone, Fast September 17, 2015 at From the Front Tim Kadlec  @tkadlec [email protected]

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“The internet doesn’t change anything.

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The internet changes everything.

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Iran 3G connections are “…against human & moral standards.” http://bit.ly/1pKV0gH

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speed as a weapon

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Tomáš Randus Victor  Cala Mladen  Drmač Karel Knop Kim Conger

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Dan Mall Matt Cook

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0 3000 6000 9000 12000 Iran Pakistan Belarus Azerbaijan Armenia Bosnia Macedonia Georgia Kazakhstan Serbia Ukraine Russia US Czech Republic

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Our internet is not their internet.

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0 3000 6000 9000 12000 Iran Pakistan Belarus Azerbaijan Armenia Bosnia Macedonia Georgia Kazakhstan Serbia Ukraine Russia US Czech Republic

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0 3000 6000 9000 12000 Iran Pakistan Belarus Azerbaijan Armenia Bosnia Macedonia Georgia Kazakhstan Serbia Ukraine Russia US Czech Republic 9.4x

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2169kb

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Indonesia 75% are on 2G or GSM/EDGE http://bit.ly/1pKV0gH

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3G Penetration Fixed Broadband 16.0% 0.1%

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“The future is already here —it’s just not very evenly distributed. William Gibson

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But we were the exception, not the rule. “That was a pretty harsh experience for us. We’d been building an app for users like us. But we were the exception, not the rule Ragavan Srinivasan Facebook’s Android project manager

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performant by default

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set a performance budget

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Andy Davies @andydavies

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20% rule

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visually complete <= 4000ms

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Culture change doesn't happen all at once

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https://speakerdeck.com/aemcknig/crafting-performance-alerting-tools

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http://bit.ly/1sgKKK3

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embrace the pain

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https://ﬂic.kr/p/8TzcGG

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can’t risk performance

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compress images grunt-contrib-imagemin

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progressive JPEGs grunt-contrib-imagemin

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imagemin: { png: { options: { optimizationLevel: 7 }, files: [ { expand: true, cwd: 'source/images/', src: ['**/*.png'], dest: 'source/images/', ext: '.png' } ] }, jpg: { options: { progressive: true }, files: [ { expand: true, cwd: 'source/images/', src: ['**/*.jpg'], dest: 'source/images/', ext: '.jpg' } ] }

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options: { progressive: true }, imagemin: { png: { options: { optimizationLevel: 7 }, files: [ { expand: true, cwd: 'source/images/', src: ['**/*.png'], dest: 'source/images/', ext: '.png' } ] }, jpg: { options: { progressive: true }, files: [ { expand: true, cwd: 'source/images/', src: ['**/*.jpg'], dest: 'source/images/', ext: '.jpg' } ] }

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concatenate & minimize JS grunt-contrib-concat grunt-contrib-uglify

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eliminate unused CSS grunt-uncss

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inline critical CSS grunt-penthouse

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penthouse: { home : { outfile : 'public/css/critical-home.css', css : 'public/css/style.css', url : ‘http://rfe.dev/public/patterns/04- pages-00-homepage/ 04-pages-00-homepage.html?pl=false', width : 1300, height : 900 }, article : { outfile : 'public/css/critical-article.css', css : 'public/css/style.css', url : ‘http://rfe.dev/public/patterns/04- pages-02-article/04- pages-02-article.html?pl=false', width : 1300, height : 900 }, . . . },

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SVG workﬂow grunt-svgmin

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h/t to @zachleat and @lara_hogan

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Original SVG: 10,379 bytes 1 Decimal Place: 7,990 bytes Total savings: 9,062 bytes (87%) Merged Paths: 5,813 bytes SVGO: 4,705 bytes GZip: 1,317 bytes

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svgmin: { options: { plugins: [ { cleanupNumericValues: { floatPrecision: 1 } } ] }, dist: { files: [ { expand: true, cwd: 'source/images/', src: ['**/*.svg'], dest: 'source/images/' } ] } }

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plugins: [ { cleanupNumericValues: { floatPrecision: 1 } } ] svgmin: { options: { plugins: [ { cleanupNumericValues: { floatPrecision: 1 } } ] }, dist: { files: [ { expand: true, cwd: 'source/images/', src: ['**/*.svg'], dest: 'source/images/' } ] } }

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SVG workﬂow grunt-svgmin grunt-svgstore

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add-to-list ....

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20 icons = 2.5kb

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125 bytes

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svgstore: { options: { prefix: 'shape-', // this prefixes each symbol ID svg: { 'class': 'svgmap' } }, default: { files: { 'public/svg-icons.svg': ['source/images/ svg-icons/*.svg'], } } },

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set it. forget it.

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raises the ﬂoor

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https://ﬂic.kr/p/8TzcGG

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• No 3G • No Wi-Fi • Non-touch • 240 x 320 • 64MB internal

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Older browsers Polyﬁlls and frameworks for all the things Full-featured site

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var rfe = {}; if ('querySelector' in document && 'localStorage' in window && 'addEventListener' in window) { } else {false}; document.documentElement.className += ' mustard’;

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rfe.cutsMustard = true; document.documentElement.className += ' mustard’; var rfe = {}; if ('querySelector' in document && 'localStorage' in window && 'addEventListener' in window) } else {false};

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loadCSS('../../css/fonts.css?1410230753'); loadJS('../../js/main.js?1410230753'); var rfe = {}; if ('querySelector' in document && 'localStorage' in window && 'addEventListener' in window) document.documentElement.className += ' mustard’; } else {false};

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go vanilla https://ﬂic.kr/p/5RTHdW

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jQuery 2.1.1: 29,558 bytes Entire JS for RFE/RL: 11,787 bytes Total savings: 17,771 bytes (60%)

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dynamic range

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http://bit.ly/1slPLVt Site Dynamic Range Smallest Size (KB) Largest Size (KB) google.com 40 8 305 facebook.com 34 7 241 youtube.com 21 24 517 yahoo.com 13 34 444 baidu.com 9 8 68 wikipedia.org 1 100 100 live.com 55 5 271 qq.com 5 478 2,271 amazon.com 154 14 2,131 taobao.com 37 40 1,474

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Large: 33 reqs, 781.5kb Small: 23 reqs, 418kb Core: 4 reqs, 22.2kb

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Large: 33 reqs, 781.5kb Small: 23 reqs, 418kb Core: 4 reqs, 22.2kb 35x

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“

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95%

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We believe that Africa’s internet evolution story will be no diﬀerent from the rest of the world. We listen to music. We watch movies. We play games online. “ https:/ /angani.co/blog/its-not-how-much-ﬁbre-you-have-its-what-you-do-with-it/

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the web is as fast as we choose to make it

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performant by default

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bridge the gap

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performance dictates access

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The internet changes everything.

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thank you September 17, 2015 at From the Front Tim Kadlec  @tkadlec [email protected]