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Proprietary + Confidential
Introduction to
Progressive Web Apps
@robertnyman
Confidential & ProprietaryHello everyone!
안녕하세요!
Confidential & Proprietary
로버트입니다
I am Robert
Confidential & ProprietaryI’m from Sweden - 저는 스웨덴에서 왔어요
Confidential & Proprietary
9 million people
If I lived in South Korea, I would:
- Be 60.49% less likely to be unemployed
-...
Confidential & ProprietarySomething I recognize
Confidential & ProprietaryI am an IT professional
Confidential & Proprietary
The web
A brief history lesson
HTML + HTTP and Documents
1991
1993
1996
1997
2004 2007 2014
2005 2008
A brief history lesson
2016
Common Gateway Interface
1991
1993
1996
1997
2004 2007 2014
2005 2008
A brief history lesson
2016
Peak CGI
1991
1993
1996
1997
2004 2007 2014
2005 2008
A brief history lesson
2016
XMLHTTP
web.archive.org/web/20070623125327/http://www.alexhopmann.com/xmlhttp.htm
1991
1993
1996
1997
2004 2007 2014
2005 ...
Gmail
1991
1993
1996
1997
2004 2007 2014
2005 2008
A brief history lesson
2016
AJAX
1991
1993
1996
1997
2004 2007 2014
2005 2008
A brief history lesson
2016
Mobile hits town with the iPhone
1991
1993
1996
1997
2004 2007 2014
2005 2008
A brief history lesson
2016
Mobile == Apps
1991
1993
1996
1997
2004 2007 2014
2005 2008
A brief history lesson
2016
Service Worker
1991
1993
1996
1997
2004 2007 2014
2005 2008
A brief history lesson
2016
?
1991
1993
1996
1997
2004 2007 2014
20162005 2008
A brief history lesson
Confidential & ProprietaryWeb declared dead in 2010
Confidential & ProprietaryWeb very much alive in 2016
Confidential & ProprietaryNov 2015, 800 million users
Confidential & ProprietaryApr 2016, 1 Billion users
Confidential & ProprietaryWeb is all browsers
Confidential & Proprietary
Native & the web
Confidential & ProprietaryWeb traffic twice as much as native
Confidential & ProprietaryOnly 10% time spent in browser
Confidential & ProprietaryThings could be easier
Confidential & ProprietaryReducing friction
Every Step Costs You 20% of Users
- Gabor Cselle
Confidential & Proprietary
Impact of speed on bounce rates
Source: SOASTA; September, 2015
2.4 2.7 3.0 3.3 3.6 3.9 4.2 4.5...
Confidential & Proprietary
RAIL: Instant loading and smooth navigation
For first visitors, load pages in <10s on 3G net
As...
Confidential & Proprietary
SLICE
Confidential & Proprietary
Build instantly engaging sites
and apps without the need for a
mandatory app download
SLICE
Confidential & Proprietary
Secure
Confidential & Proprietary
Linkable
Confidential & Proprietary
Indexable
Confidential & Proprietary
Composable
Confidential & Proprietary
Ephemeral
Confidential & Proprietary
Why do developers need a native app?
Confidential & Proprietary
Performance
Offline access
Periodic background processing
Notifications
Sensors
OS-specific fea...
Confidential & Proprietary
Performance
Offline access
Periodic background processing
Notifications
Sensors
OS-specific fea...
Confidential & Proprietary
Progressive Web Apps
Confidential & Proprietary
Reliable: Fast loading, works on flaky networks

Fast: Smooth animation, scrolling and nav

Eng...
Confidential & Proprietary
Client-side proxy in
JavaScript
Net requests, but
also push & sync
Service Workers
Progressive ...
Confidential & ProprietaryProgressive Web Apps
Confidential & Proprietary
Web App Manifests
Progressive Web Apps
<meta name="theme-color"
content="#303F9F">
<link rel="m...
Confidential & Proprietary
Web App Manifests
Progressive Web Apps
{
"short_name": "Air Horner",
"name": "Air Horner",
"sta...
Confidential & Proprietary
Add to Homescreen and launch in full-screen mode
User who visits 2x in a
given time period will...
Confidential & Proprietary
Web push notifications
System level notifications, like apps
Ask to notify users with specific ...
Confidential & Proprietary
Progressive Web App technologies
Required Recommended Features
Service Worker Push notification...
Confidential & Proprietary
PWAs can work across browsers
PWAs should work across all modern browsers

Service Worker avail...
Confidential & Proprietary
Security - HTTPS
Alex Martinez
unsplash.com
Security - HTTPS
Source: Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis non erat sem
Do you know if any ISP’s
or other servi...
Features
Service workers
● Offline
● Push
● Background Sync
● ....???
Source: https://paul.kinlan.me/detecting-injected-co...
Features
Add to homescreen
HTTP2
Brotli
getUserMedia()
Geolocation
Source: https://paul.kinlan.me/detecting-injected-conte...
Confidential & Proprietary
Adding HTTPS to your web site
Adding HTTPS to your web site
Adding HTTPS to your web site
letsencrypt.org
letsencrypt.readthedocs.org
Adding HTTPS to your web site
Adding HTTPS to your web site
Deployment
Adding HTTPS to your web site
Deployment
Adding HTTPS to your web site
Source: http://bit.ly/ssl-config-gen
bit.ly/ssl-config-gen
Adding HTTPS to your web site
bit.ly/ssl-labs
Adding HTTPS to your web site
Localhost
Adding HTTPS to your web site
DevTools
Adding HTTPS to your web site
More Info
Security Docs
bit.ly/security-docs
HTTPS: The Green Lock and Beyond
bit.ly/green-lock-beyond
Adding HTTPS to you...
Confidential & Proprietary
Use cases
Confidential & Proprietary
Flipkart: Early results
App
3x time spent on site, from 1 minute to 3.5 minutes
Seeing 40% visi...
Confidential & Proprietary
Google Developer Experts
Confidential & Proprietary
GitHub contributions to open source projects
StackOverflow reputation
Conference Speaker
Event ...
Confidential & Proprietary
Confidential & Proprietary
robertnyman.com
nyman@google.com
@robertnyman
감사합니다!
Thank you!
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Adding HTTPS to your web site

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