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
加速するフロントエンドとPWA
Search
Koutarou Chikuba
February 16, 2018
Technology
56
15k
加速するフロントエンドとPWA
at DevSumi 2018
Koutarou Chikuba
February 16, 2018
Tweet
Share
More Decks by Koutarou Chikuba
See All by Koutarou Chikuba
CI/CD 改善の勘所
mizchi
0
95
極限環境で最終ビルドを絞るためのフロントエンド設計
mizchi
15
5.4k
Server Side JavaScript のためのバンドル最適化
mizchi
5
7.2k
V8 as a container on CDN Edge worker
mizchi
6
2.2k
Edge Side Frontend という新領域
mizchi
35
14k
バンドル最適化マニアクス at tfconf
mizchi
7
4.4k
「たかがJavaScript」のその先 #TECHPLAY
mizchi
47
20k
Deno Node 両刀
mizchi
6
2.5k
「フロントエンド領域」を再定義する
mizchi
50
36k
Other Decks in Technology
See All in Technology
OpenHands🤲にContributeしてみた
kotauchisunsun
1
480
変化する開発、進化する体系時代に適応するソフトウェアエンジニアの知識と考え方(JaSST'25 Kansai)
mizunori
1
240
mrubyと micro-ROSが繋ぐロボットの世界
kishima
2
360
5min GuardDuty Extended Threat Detection EKS
takakuni
0
160
あなたの声を届けよう! 女性エンジニア登壇の意義とアウトプット実践ガイド #wttjp / Call for Your Voice
kondoyuko
4
490
プロダクトエンジニアリング組織への歩み、その現在地 / Our journey to becoming a product engineering organization
hiro_torii
0
130
無意味な開発生産性の議論から抜け出すための予兆検知とお金とAI
i35_267
0
180
Oracle Audit Vault and Database Firewall 20 概要
oracle4engineer
PRO
3
1.7k
asken AI勉強会(Android)
tadashi_sato
0
110
PHPでWebブラウザのレンダリングエンジンを実装する
dip_tech
PRO
0
210
Prox Industries株式会社 会社紹介資料
proxindustries
0
340
Fabric + Databricks 2025.6 の最新情報ピックアップ
ryomaru0825
1
150
Featured
See All Featured
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
2.9k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
667
120k
The Power of CSS Pseudo Elements
geoffreycrofte
77
5.8k
Git: the NoSQL Database
bkeepers
PRO
430
65k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
231
53k
I Don’t Have Time: Getting Over the Fear to Launch Your Podcast
jcasabona
32
2.3k
Large-scale JavaScript Application Architecture
addyosmani
512
110k
Learning to Love Humans: Emotional Interface Design
aarron
273
40k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
34
3.1k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
34
5.9k
Build The Right Thing And Hit Your Dates
maggiecrowley
36
2.8k
KATA
mclloyd
30
14k
Transcript
Ճ͢ΔϑϩϯτΤϯυͱPWA @mizchi Developers Summit 2018
ࣗݾհ • അޫଠ / mizchi • node.js / ϑϩϯτΤϯυΤϯδχΞ •
ϑϦʔϥϯε • ϦΫϧʔτςΫϊϩδʔζ༷ • freeeגࣜձ༷ࣾ • etc...
ʮReactͷਓʯ
None
ܦྺ • େֶ࣌: WebSocket Ͱ MMORPG ΛҰਓͰ࣮ • 2012~ ήʔϜܥ:
HTML5 / Unity / Flash • 2013~ EdTechܥ: ڭࢣ͚ڭࡐΦʔαϦϯάπʔϧ • 2014~ Qiita: ϓϩάϥϚࢧԉπʔϧ • 2017~ ϑϦʔϥϯε
ࠓͷ༰ • PWAʹ͍ͭͯ • ϑϩϯτΤϯυͷߴԽʹ͍ͭͯ • ύϥμΠϜ͕ԿʹมΘΔ͔
͞ͳ͍͜ͱ • ࣮ͷৄࡉ • ࡉ͔͍༷
CAUTION!!! ࣗͷʹ͍ͭͯ • ϑϩϯτΤϯυͱ͍͍ͭͭJSத৺ɺಛʹSPAภॏ • ͍ΘΏΔʮWeb੍࡞ʯͱແԑ • PWAͷղऍʹ͍ͭͯɺGoogleͱҧ͏ղऍΛ͍ͯ͠Δ͔
ࠓݺΕͨίϯςΩετ
dev.to ͱ͍͏αΠτ͕ੌ͍ • ւ֎ͷ qiita Έ͍ͨͳΣϒαΠτ • ҟৗͳϨεϙϯε • ҙ֎ͱγϯϓϧͳઃܭ
ʮͳͥ dev.to ͕ʙʯཁ • ʮࠓʯͷύϑΥνϡͷৗࣝͰɺਅͬʹ࡞Δͱ͜Μͳʹ͍ • ͳ͕ͥࣗͰ͖ͳ͔ͬͨͷ͔ɺչ͍͠ • (ٕज़తͳৄࡉޙड़)
ࠃͷࣄྫ: https://r.nikkei.com ܦిࢠ൛Λ͘͢Δ / nikkei-inside-frontend
PWAͱԿ͔
᷿ͷPWA • Google ͷਪਐ͢Δ࣍ੈͷϑϩϯτΤϯυڥ • ͿͬͪΌ͚ʮHTML5ʯ ͷϦϒϥϯσΟϯάײ ΈΜͳຊʹཧղͯ͠·͔͢ʁʁʁ
ຊ࣭Λݟ·͠ΐ͏
ڱٛͷPWA • ϞμϯͳϒϥβΛ͏ϢʔβʔʹɺΑΓྑ͍ମݧΛɺͱ͍ ͏ʮํੑʯ • ServiceWorker ΛͬͯϞόΠϧΞϓϦͷମݧʹ͍ͭͨ͘ Ίͷʮ࣮ʯ
None
ϨΨγʔͷڥք • ServiceWorker ͕࣮͞Ε͍ͯΔ͔൱͔ • ϨΨγʔ = IE, Safari !
• Ϟμϯ = ͦΕҎ֎
None
ServiceWorker ͱ • όοΫάϥϯυͰಈ͘ϩʔΧϧϓϩΩγ • ͋ΒΏΔϨεϙϯεΛॻ͖͑Մೳ • HTML5 Application Cache
ͷϦϒʔτ
ҙ!!!! ͔͜͜ΒઌैདྷͷϦΫΤετ&ϨεϙϯεϞσϧͷৗ͕ࣝ௨༻͠ ·ͤΜ ઌೖ؍ΛऔΓআ͍͍ͯͩ͘͞
None
ServiceWorkerͷىಈ // client / SWىಈ navigator.serviceWorker.register('/sw.js', {scope: '/'}) // sw.js
self.addEventListener('fetch', event => { // logging ͢Δ͚ͩ console.log(event.request.url); });
None
Service Worker Ͱग़དྷΔ͜ͱ • ͋ΒΏΔʢຊʹશͯͷ)Ϩεϙϯεͷಈతͳॻ͖͑ • ΦϑϥΠϯΩϟογϡ • όοΫάϥϯυॲཧ •
ϓογϡ௨
Service Worker Ͱग़དྷͳ͍͜ͱ • ৗறϓϩηε • Workerͷੜଘ࣌ؒϦΫΤετ։͔࢝Β15~30ඵఔ • ϝϞϦ༻ྔ੍ݶ •
Web Budget API (͍͜͠ͷͰࠓճׂѪ)
ʮWebͷৗࣝʯͷҰͭͷస • αʔόʔʹ௨ => Ϩεϙϯεಈతʹॻ͖ΘΔ • history.pushState ҎདྷͷϥΠϑαΠΫϧͷେ͖ͳมԽ(ޙ ड़)
history.pushState
None
None
history.pushState Կ͔ͩͬͨ • ಉҰυϝΠϯ෦ͰಈతʹURLΛॻ͖͑Δٕज़ • ಉҰϖʔδͷϥΠϑαΠΫϧͷԆ • Single Page Application
ͷجૅٕज़ͷҰͭ
PWA: ΦϑϥΠϯԽͷྫ
Offline Cache ͷίʔυྫ // sw.js self.addEventListener('fetch', event => { event.respondWith(
caches.match(event.request).then(response => { return response || fetch(event.request); }) ); });
None
Կ͕ى͍ͬͯ͜Δ͔ • ҰճͷϦΫΤετͰΩϟογϡΛஷΊΔ • ೋճ͔ΒΩϟογϡΛͬͯىಈ • html,js,css Λʮαʔόʔʹ౸ୡ͢ΔલʹʯϓϩΩγग़དྷΔ
None
None
ΞϓϦέʔγϣϯͱͯ͠ͷPWA • ΦϑϥΠϯΩϟογϡͰىಈ͠ɺαʔόʔʹґଘ͠ͳ͍ܗଶ • ͍͔ͭ͘ͷڥͰΞϓϦͱͯ͠ొͰ͖Δ • Android: Add to Homescreen
• Windows Store
࠷ۙͷχϡʔε • ϚΠΫϩιϑτɺProgressive Web AppsʢPWAʣΛ Windows 10ͷσεΫτοϓͰ࣮ߦՄೳʹɻWindows 10 WindowsɺLinuxɺPWAରԠͷϓϥοτϑΥʔϜ http://
www.publickey1.jp/blog/18/ progressivewebappspwawindows10windows10windowsl inuxpwa.html
ؔ࿈ٕज़: Web Packaging • ΣϒϖʔδΛҰͭͷόΠφϦʹͯ͢͠Δٕज़ • ༷: https://github.com/WICG/webpackage • AMP
Web Packaging ରԠͰ࠶ߏங͞ΕΔํੑ • https://amphtml.wordpress.com/2018/01/09/ improving-urls-for-amp-pages/
ΞϓϦέʔγϣϯԽ: ڝ߹͢Δٕज़ • Electron • PC൛ Chrome ͕ Add to
homescreen ʹରԠ༧ఆ • React Native • Webٕज़ͷ Mobile App ։ൃڥͱ͍͏Ͱڝ߹
ͳͥΦϑϥΠϯԽ͕େࣄ͔ • Googleͷݴ͍: ·ͩΠϯλʔωοτ͕ශऑͳڥ͕ଟ͍ • ޫ͕͍ / ࠃ: 20ms~50ms, ΞϝϦΧ:
100ms~ • UXΛಥ͖٧ΊΔͨΊʹޫΛ͑Δ
࣮ྫ: dev.to
None
dev.to ͷΈ • ॳճϦΫΤετΛ CDN Ͱ cache • ϦϯΫཁૉͷΦϯϚεͰɺભҠઌΛࣄલʹ fetch
& cache • ࣮ࡍͷϨεϙϯεSWͷCache͔Βฦ٫ ࢀߟ: https://dev.to/ben/making-devto-insanely- fast
None
dev.to ͔ΒֶΔ͜ͱ • ͕͞࠷ॳ͔ΒઃܭʹΈࠐ·Ε͍ͯΔ • ϒϥβ CDN ͱ OfflineCache ͔͠૬खΛ͠ͳ͍
• ߋ৽࣌ͷ cache ͷഁغઓུΛ٧ΊΔ • ࠷ߴͷUX(͋Δ͍ͦͷ)
ServiceWorker: ಁաతͳߴԽ • ͋͘·ͰطଘͷWebৼΔ͍ΛकΓͭͭߴԽ • SWͷਅͷϙςϯγϟϧΛ׆͔͖͠ΔͷɺIE͕ࢮΜͩޙ • ͋Δ͍։ൃऀπʔϧͳΒࠓ͙͢
PWAͱԿ͔: ·ͱΊ • Service Worker ΛͷͨΊʹಁաతͳͱͯ͠͏ • IE͕ࢮ͵·Ͱͷ௨ա • Push௨͏ͪΐͬͱޙ͔Ͷ
ݱ࣮
ຊʹ PWA ͷ͕࣌དྷΔͷ͔ • Mobile vs Web ͷཧઓ૪ͷؾ • Internet
Explorer !!!!! • Push Notification
IE: αϙʔτظݶ • Windows10 IE11: 2025/10/14 • Windows10 ʹ Edge
ࡌࡁΈ • Edge Λ͑ͱݴ͑ΔՄೳੑʁ • Windows7(8) IE11: 2020/01/14
IE: ߈ུํ๏ • Mobile First Index • ࠓޙϞόΠϧ൛ΣϒαΠτͰΫϩʔϥʹIndex͞ΕΔ • ੈքతʹσεΫτοϓγΣΞԼؾຯ
=> ϞόΠϧΛλʔήοτʹ͢Δ = IEΛ͢ํศ
ʮPWAಁաతͳΩϟογϡʯ • SWಡΈࠐΈલͰ • SW͕ͳͯ͘ • SWಡΈࠐΈࡁΈͰ ಉ͡ಈ͖Λ͢Δͣ
ݱʹ͍Ζ͍Ζͳཁٻ͕͋ΔͷͰ அօ͞Μ͓·͔ͤ͠·͢
Push Notification • ݱࡏਐߦܗͰେྔͷϔΠτΛങͬͯΔ ͜Ε
Push Notification ͷίʔυྫ self.addEventListener('push', event => { event.waitUntil( self.registration.showNotification('λΠτϧ', {
body: 'ຊจ' }) ); });
Push Notification • pushͱpush notificationґଘ͢Δ͚Ͳҧ͏ͷ • push௨ͷෆධͰόοΫάϥϯυॲཧ͕௵͞ΕΔͷ…
: Push ͱ Apple • Safari TP11 ͷ SW ʹ
onfetch ͋ͬͯ onpush ͳ͍ • AppStore Notification Center ͱͷམͱ͠ॴ͕ඞཁ
None
PWAͷߴԽΛݟͭΊͳ͓͢
ύϑΥʔϚϯενϡʔχϯάͱ • ࢧతͳϒϩοΩϯάཁૉΛ୳͢ • ௵͢ • ܁Γฦ͢ ʮਪଌ͢ΔͳɺܭଌͤΑʯ
None
ࢦඪͷऔΓํ • DevTools • Lighthouse • Puppeteer
DevToolsͷΛಡΉ
Lighthouse • Google ͷ ύϑΥʔϚϯεϝτϦΫεπʔϧ • ύϑΥʔϚϯε • SEO •
ΞΫηγϏϦςΟ • PWA Support
ͨͩߴͳΞϓϦΛ࡞Δ $ npm install -g preact-cli $ preact create simple
myapp // deploy it
None
ڏແ͍ • ͲΜͳͷ࡞ͬͨͱ͖͍ • ͦΕΛҡ࣋͢Δͷ͍͠ • ʮॏ͞ʯͱʮػೳͷॏΈʯͰ͋Δ
͋ͳͨͷΣϒΛ͘͢Δͷ • ॏ͍SQL • ղ૾ͷߴ͍ը૾ • ࠂʹΑΔϒϩοΩϯά • ୯ແཧղʹΑΔॳظԽύεͷෳࡶԽ
ʮʯʹ͍Ζ͍Ζ͋Δ • ΠϯλϥΫγϣϯ: 16ms~ • ωοτϫʔΫ: 100ms~ • ϓϩτλΠϐϯά: 1ϲ݄~
• ػೳՃ: 1िؒ~ • ϓϩμΫτͷϥΠϑαΠΫϧ: 1~ • ্: 3~
͋ͳͨʹඞཁͳʮʯͳΜͰ͢ ͔ʁ
͓ΘΓ