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
PWA beyond theory - How to create your progress...
Search
Amanda Vilela
December 01, 2018
Technology
0
50
PWA beyond theory - How to create your progressive web app
Presented on DevFest London 2018.
Amanda Vilela
December 01, 2018
Tweet
Share
More Decks by Amanda Vilela
See All by Amanda Vilela
Construindo sua primeira página web: Sua porta de entrada para uma carreira de front-end
amandavilela
1
63
Web Performance: Não deixe o usuário desistir do seu site
amandavilela
1
180
Como tornamos os sorteios da BrazilJS on the Road Sorocaba mais divertidos utilizando JS
amandavilela
0
54
Sobre Carreira e Comunidades
amandavilela
0
29
Como melhorar seu trabalho remoto
amandavilela
1
47
Crie seu Próprio Plano de Carreira
amandavilela
0
49
Como otimizar a performance da sua aplicação JS
amandavilela
0
88
Você nem sempre precisa de um framework JS
amandavilela
0
71
Que tal usar CSS em vez de JS?
amandavilela
1
78
Other Decks in Technology
See All in Technology
日本版とグローバル版のモバイルアプリ統合の開発の裏側と今後の展望
miichan
1
130
alecthomas/kong はいいぞ / kamakura.go#7
fujiwara3
1
300
DevFest 2024 Incheon / Songdo - Compose UI 조합 심화
wisemuji
0
100
複雑性の高いオブジェクト編集に向き合う: プラガブルなReactフォーム設計
righttouch
PRO
0
110
サイボウズフロントエンドエキスパートチームについて / FrontendExpert Team
cybozuinsideout
PRO
5
38k
なぜCodeceptJSを選んだか
goataka
0
160
ハイテク休憩
sat
PRO
2
150
LINE Developersプロダクト(LIFF/LINE Login)におけるフロントエンド開発
lycorptech_jp
PRO
0
120
サービスでLLMを採用したばっかりに振り回され続けたこの一年のあれやこれや
segavvy
2
420
Wantedly での Datadog 活用事例
bgpat
1
440
Storage Browser for Amazon S3
miu_crescent
1
140
ブラックフライデーで購入したPixel9で、Gemini Nanoを動かしてみた
marchin1989
1
530
Featured
See All Featured
The Cost Of JavaScript in 2023
addyosmani
45
7k
Optimising Largest Contentful Paint
csswizardry
33
3k
Building Applications with DynamoDB
mza
91
6.1k
For a Future-Friendly Web
brad_frost
175
9.4k
StorybookのUI Testing Handbookを読んだ
zakiyama
27
5.3k
Automating Front-end Workflow
addyosmani
1366
200k
How GitHub (no longer) Works
holman
311
140k
Making Projects Easy
brettharned
116
5.9k
Why Our Code Smells
bkeepers
PRO
335
57k
A Modern Web Designer's Workflow
chriscoyier
693
190k
Become a Pro
speakerdeck
PRO
26
5k
VelocityConf: Rendering Performance Case Studies
addyosmani
326
24k
Transcript
PWA BEYOND THEORY How to create your progressive web app
None
13% 87% Mobile web Apps Source: comScore Mobile Metrix, U.S.,
Age 18+, June 2015
80% of time is spent on 3 apps Source: comScore
Mobile Metrix, U.S., Age 18+, June 2015
ZERO number of apps the average user installs per month
Source: comScore Mobile Metrix, U.S., Age 18+, June 2015
New web features • Push Messages • Offline storage •
Audio & Video Capture • Recording Media • Geolocation • Web Bluetooth API • More: https://whatwebcando.today
None
WHAT IS A PWA? it's a website that behaves like
an app
WHAT IS A PWA? new level of caring about the
quality of your end-to-end user experience
Starbucks https://app.starbucks.com
The Washington Post https://www.washingtonpost.com/pwa
Twitter https://mobile.twitter.com
None
PWA aspects • Site works cross-browser • Pages are responsive
on tablets & mobile devices • First load fast even on 3G • All app URLs load while offline • Metadata provided for Add to Home screen • Site is served over HTTPS
✓ site works cross-browser
✓ responsive ✓ first load fast
✓ all app URLs load while offline
SERVICE WORKER advanced offline experiences
Web server
Service worker Client side proxy (wrote in JavaScript) Cache Web
server
SERVICE WORKER it's for the SECOND loading
implementing a Service Worker
None
registering a Service Worker
None
adding install event
None
preload resources
None
activate event
None
almost finishing
None
controlling the loading
None
None
None
cache strategy network, otherwise use the cache
the offline cookbook by Jake Archibald https://developers.google.com/web/fundamentals/instant-and-offline/offline-cookbook/
✓ add to home screen
<link rel="manifest" href="/manifest.json"> { "name": "Currency Converter", "short_name": "CConverter", "icons":
[{ "src": "icon-48x48.png", "sizes": "48x48", "type": "image/png" }, {...}], "start_url": "/index.html", "display": "standalone", "orientation": "portrait", "background_color": "#06f8c5", "theme_color": "#06f8c5" }
manifest.json { "name": "Currency Converter", "short_name": "CConverter", "icons": [{ "src":
"icon-48x48.png", "sizes": "48x48", "type": "image/png" }, {...}], "start_url": "/index.html", "display": "standalone", "orientation": "portrait", "background_color": "#06f8c5", "theme_color": "#06f8c5" }
manifest.json { "name": "Currency Converter", "short_name": "CConverter", "icons": [{ "src":
"icon-48x48.png", "sizes": "48x48", "type": "image/png" }, {...}], "start_url": "/index.html", "display": "standalone", "orientation": "portrait", "background_color": "#06f8c5", "theme_color": "#06f8c5" }
manifest.json { "name": "The Washington Post", "short_name": "Wash Post", "icons":
[{ "src": "icon-48x48.png", "sizes": "48x48", "type": "image/png" }, {...}], "start_url": "/index.html", "display": "standalone", "orientation": "portrait", "background_color": "#06f8c5", "theme_color": "#06f8c5" }
manifest.json { "name": "Currency Converter", "short_name": "CConverter", "icons": [{ "src":
"icon-48x48.png", "sizes": "48x48", "type": "image/png" }, {...}], "start_url": "/index.html", "display": "standalone", "orientation": "portrait", "background_color": "#06f8c5", "theme_color": "#06f8c5" }
✓ safe
keeping users safe is hugely important • Reliability: Is this
the site that the user expects? • Integrity: Has anyone changed this content? • Privacy: Can anyone monitor my navigation?
None
None
Let’s Encrypt is a trademark of the Internet Security Research
Group.
that's all :D
last considerations • Storage is not required • Easy to
share (conversion flow) • Always updated • Lower costs compared to native app development.
Lighthouse
use your creativity • https://developers.google.com/web/progressive-web-apps/checklist • https://whatwebcando.today
try it: http://bit.ly/pwacconverter
the code is available on github: https://github.com/amandavilela/currencyconverter
Obrigada! Amanda Vilela amandavilela.com