Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Best viewed with... SOTB5
Search
Adam Onishi
September 12, 2015
Technology
1
140
Best viewed with... SOTB5
My updated Best viewed with talk from State of the Browser 5
Adam Onishi
September 12, 2015
Tweet
Share
More Decks by Adam Onishi
See All by Adam Onishi
Help! My client is a WebPerf meetup!
onishiweb
2
220
Help! My client is a WebPerf meetup!
onishiweb
0
290
Design Systems and Web Components
onishiweb
1
270
Planes, Trains, and CSS Components London CSS
onishiweb
1
140
Planes, Trains, and CSS Components
onishiweb
6
440
Best viewed with - Velocity Amsterdam 2015
onishiweb
3
3k
Trophy Winning Teams - Web Dev Conf 2015
onishiweb
0
220
Trophy Winning Teams - Drupal Con 2015
onishiweb
0
58
Best viewed with... Theme Conf 2015
onishiweb
1
130
Other Decks in Technology
See All in Technology
第13回 Data-Centric AI勉強会, 画像認識におけるData-centric AI
ksaito_osx
0
330
生成AIの利活用を加速させるための取り組み「prAIrie-dog」/ Shibuya_AI_1
visional_engineering_and_design
1
130
WAF に頼りすぎない AWS WAF 運用術 meguro sec #1
izzii
0
460
2.5Dモデルのすべて
yu4u
1
370
20250208_OpenAIDeepResearchがやばいという話
doradora09
PRO
0
160
『衛星データ利用の方々にとって近いようで触れる機会のなさそうな小話 ~ 衛星搭載ソフトウェアと衛星運用ソフトウェア (実物) を動かしながらわいわいする編 ~』 @日本衛星データコミニティ勉強会
meltingrabbit
0
100
EDRからERM: PFN-SIRTが関わるセキュリティとリスクへの取り組み
pfn
PRO
0
160
家電アプリ共通PF "Linova" のAPI利用とPostman活用事例ご紹介
yukiogawa
0
120
現場の種を事業の芽にする - エンジニア主導のイノベーションを事業戦略に装着する方法 -
kzkmaeda
2
580
君も受託系GISエンジニアにならないか
sudataka
0
280
Data-centric AI入門第6章:Data-centric AIの実践例
x_ttyszk
1
330
自動テストの世界に、この5年間で起きたこと
autifyhq
5
5k
Featured
See All Featured
Thoughts on Productivity
jonyablonski
69
4.4k
How To Stay Up To Date on Web Technology
chriscoyier
790
250k
Building Better People: How to give real-time feedback that sticks.
wjessup
366
19k
jQuery: Nuts, Bolts and Bling
dougneiner
63
7.6k
How GitHub (no longer) Works
holman
313
140k
The MySQL Ecosystem @ GitHub 2015
samlambert
250
12k
Principles of Awesome APIs and How to Build Them.
keavy
126
17k
Navigating Team Friction
lara
183
15k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
44
9.4k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
40
2k
Gamification - CAS2011
davidbonilla
80
5.1k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
47
5.2k
Transcript
@onishiweb Best viewed with… Adam Onishi State of the Browser
- September 2015
@onishiweb A long time ago…
@onishiweb @onishiweb
@onishiweb
@onishiweb “Browser wars!”
@onishiweb @onishiweb
@onishiweb – a website in 2015 “For best results view
this page in Chrome.”
@onishiweb Chrome Firefox IE Safari Opera UC Browser Safari (iOS)
Opera Mini Android Browser Amazon Silk YaBrowser Maxthon Iron Nokia Browser Sea Monkey Avant Camino Epiphany OmniWeb Konqueror Galeon Swiftfox Edge
@onishiweb Chrome (v44) - Cache.add() - Request.context() - Notification.data Edge
- img srcset - CSS Regions - Arrow functions Firefox (v40) - Improved Dev tools - IndexedDB transactions - Fetch API (v39) Safari (v9) - Backdrop filters - CSS scroll snapping - Content blocking
@onishiweb
@onishiweb A moratorium http://www.quirksmode.org/blog/archives/2015/07/stop_pushing_th.html
@onishiweb Developer-first development
@onishiweb Cake or Death?
@onishiweb Progressive enhancement
@onishiweb “Vague, but exciting”
@onishiweb Photo by Simon Collison - https://flic.kr/p/pbRdFm @onishiweb
@onishiweb Photo by Pedro Ribeiro Simões - https://flic.kr/p/bvCA8 @onishiweb
@onishiweb – Paul Robert Lloyd “By making fewer assumptions about
context and interface, focusing more on users’ tasks and goals, we can create more adaptable products.” http://alistapart.com/article/thinking-responsively-a- framework-for-future-learning
@onishiweb @onishiweb
@onishiweb Control
@onishiweb Defensive design
@onishiweb What we do know
@onishiweb Baseline
@onishiweb Performance
@onishiweb Perceived Performance
@onishiweb
@onishiweb
@onishiweb Progressively enhanced performance
@onishiweb Render blocking assets
@onishiweb CSS, JS, & Fonts
@onishiweb CSS
@onishiweb CSS is still an enhancement
@onishiweb CSS as an enhancement
@onishiweb Critical Path CSS
@onishiweb Tooling
@onishiweb https://github.com/addyosmani/critical
@onishiweb https://github.com/pocketjoso/penthouse
@onishiweb loadCSS https://github.com/filamentgroup/loadCSS/
@onishiweb Progressively enhancing CSS delivery
@onishiweb Fonts
@onishiweb We ❤ web fonts
@onishiweb
@onishiweb
@onishiweb 3s 3s 3s ∞ -
@onishiweb Asynchronous font loading
@onishiweb Font loading API
@onishiweb var f = new FontFace("open_sansbold", "url(/fonts/ opensans-bold-webfont.woff)", {}); f.load().then(function
(loadedFace) { document.fonts.add(loadedFace); document.body.style.fontFamily = "open_sansbold, serif"; });
@onishiweb var f = new FontFace("open_sansbold", "url(/fonts/ opensans-bold-webfont.woff)", {}); f.load().then(function
(loadedFace) { document.body.className += ' fonts—loaded'; }); /* CSS */ p { visibility: hidden; } .fonts-loaded p { visibility: visible; }
@onishiweb Progressively enhancing font loading
@onishiweb Font loading API http://caniuse.com/#feat=font-loading 41 43 31 ❌ ❌
@onishiweb CSS Font Rendering http://tabatkins.github.io/specs/css-font-rendering/
@onishiweb JavaScript
@onishiweb – Peter Herlihy, GDS Team “1.1% of people aren’t
getting JavaScript enhancements (1 in 93).”
@onishiweb http://kryogenix.org/code/browser/everyonehasjs.html
@onishiweb
@onishiweb – Jeremy Keith “Brilliant easter egg in the newly-
redesigned nasa.gov — if JavaScript fails, you are immersed in the experience of deep space”
@onishiweb Frameworks
@onishiweb – Jake Archibald “Nothing should have a JavaScript dependant
first render, it only punishes the user.”
@onishiweb Is there a better way?
@onishiweb Universal JavaScript
@onishiweb Server Side rendering with Node.js
@onishiweb React
@onishiweb React.renderToString();
@onishiweb app.get('/', function(req, res){ // React.renderToString takes your component //
and generates the markup ReactApp = React.createFactory( require('../ components/index.js') ); reactHtml = React.renderToString( ReactApp({}) ); // Output html rendered by react res.render('index.ejs', { reactOutput: reactHtml }); });
@onishiweb Client side too
@onishiweb GoCardless
@onishiweb – Jack Franklin, GoCardless “If you visit it in
a ‘good’ browser with JS on, you get an incredibly snappy React app, if not, you hit the server on every click.”
@onishiweb Progressively enhancing JavaScript frameworks
@onishiweb Control
@onishiweb The Network
@onishiweb Assumption
@onishiweb @onishiweb Photo by Paul Robertson - https://flic.kr/p/9qSizG
@onishiweb Mobile connectivity
@onishiweb Cake or Death?
@onishiweb Enter Service Worker
@onishiweb Web vs Native!
@onishiweb The web is going offline!
@onishiweb Browser cache
@onishiweb @onishiweb
@onishiweb Register service worker Cache content Response Request Render Usable
website
@onishiweb Cache Request Render Usable website Service worker Network
@onishiweb if ('serviceWorker' in navigator) { navigator.serviceWorker.register('/worker.js') .then(function(registration) { //
Registration was successful console.log('ServiceWorker registered: ', registration.scope); }) .catch(function(err) { // registration failed :( console.log('ServiceWorker registration failed: ', err); }); }
@onishiweb if ('serviceWorker' in navigator) { navigator.serviceWorker.register('/worker.js') .then(function(registration) { //
Registration was successful console.log('ServiceWorker registered: ', registration.scope); }) .catch(function(err) { // registration failed :( console.log('ServiceWorker registration failed: ', err); }); }
@onishiweb if ('serviceWorker' in navigator) { navigator.serviceWorker.register('/worker.js') .then(function(registration) { //
Registration was successful console.log('ServiceWorker registered: ', registration.scope); }) .catch(function(err) { // registration failed :( console.log('ServiceWorker registration failed: ', err); }); }
@onishiweb self.addEventListener('install', function(event) { // Perform install steps event.waitUntil( caches.open(‘content-cache-v1’)
.then(function(cache) { return cache.addAll([ '/index.html', '/css/main.min.css', '/main.js' ]);
@onishiweb self.addEventListener('install', function(event) { // Perform install steps event.waitUntil( caches.open(‘content-cache-v1')
.then(function(cache) { return cache.addAll([ '/index.html', '/css/main.min.css', '/main.js' ]);
@onishiweb self.addEventListener('install', function(event) { // Perform install steps event.waitUntil( caches.open(‘content-cache-v1’)
.then(function(cache) { return cache.addAll([ '/index.html', '/css/main.min.css', '/main.js' ]);
@onishiweb self.addEventListener('fetch', function(event) { event.respondWith( caches.match(event.request) .then(function(response) { // Cache
hit - return response if (response) { return response; } return fetch(event.request); } ) ); });
@onishiweb self.addEventListener('fetch', function(event) { event.respondWith( caches.match(event.request) .then(function(response) { // Cache
hit - return response if (response) { return response; } return fetch(event.request); } ) ); });
@onishiweb self.addEventListener('fetch', function(event) { event.respondWith( caches.match(event.request) .then(function(response) { // Cache
hit - return response if (response) { return response; } return fetch(event.request); } ) ); });
@onishiweb self.addEventListener('fetch', function(event) { event.respondWith( caches.match(event.request) .then(function(response) { // Cache
hit - return response if (response) { return response; } return fetch(event.request); } ) ); });
@onishiweb
@onishiweb https://jakearchibald.com/2014/offline-cookbook/
@onishiweb Tricky bits
@onishiweb Development flow https://www.chromium.org/blink/serviceworker/getting-started#TOC- Development-flow
@onishiweb chrome://inspect/#service-workers @onishiweb
@onishiweb chrome://serviceworker-internals/ @onishiweb
@onishiweb HTTPS only
@onishiweb – MDN “Having modified network requests wide open to
man in the middle attacks would be really bad.”
@onishiweb How much can I cache?
@onishiweb Progressively enhancing the network
@onishiweb Browser support…
@onishiweb https://jakearchibald.github.io/isserviceworkerready/
@onishiweb Return of the browser wars
@onishiweb Not really
@onishiweb Stop assuming
@onishiweb – Bruce Lawson “It never pays to make too
many assumptions about your users.”
@onishiweb Be defensive
@onishiweb Improve performance
@onishiweb New shiny!
@onishiweb @onishiweb Thanks