© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated companies. All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

March 14, 2017

Your Piece of the Mobile PiePerformance Is a Key Metric

Doug Sillars

AT&T Developer Program@DougSillars

https://www.flickr.com/photos/ikoka/8558080070

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Getting Your Piece of the Pie with Performance

https://www.ericsson.com/res/docs/2016/mobility-report/emr-feb-2016-the-stress-of-steaming-delays.pdf

0.5

0.6

0.7

0.8

0.9

Cognitive Load (Stress) in Different Situ-ations

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Mobile delays are more stressful than

standing on the edge of a cliff!

Getting Your Piece of the Pie with Performance

4

So, How Much Do Customers Hate Delays??

http://www.freepik.com/free-icon/chronometer_720231.htmhttps://pixabay.com/p-1298864/?no_redirecthttps://www.goodfreephotos.comhttps://www.flickr.com/photos/hier_gibt_es_nichts_zu_sehen_bitte_gehen_sie_weiter/8405873821

3s: 53% of users abandon Mobile sites

500ms: 26% frustration8% engagement

100ms: 1% revenue Walmart & Amazon

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

4% mobile users throw their phones

https://www.doubleclickbygoogle.com/articles/mobile-speed-matters

http://bit.ly/mobileWebStress

http://www.globaldots.com/how-website-speed-affects-conversion-rates/

https://www.mobilejoomla.com/blog/172-responsive-design-vs-server-side-solutions-infographic.html

Getting Your Piece of the Pie with Performance

5

Slow is Better Than Crashing, Right?

0%

5%

10%

15%

20%

25%

30%

0.09

28%

Permanent Abandonment Rate

Unavailable Slow

https://www.soasta.com/blog/downtime-vs-slowtime/

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

1

$21,000

$4,100

Hourly Cost

A slow app is costing you customers, and $

$!

Getting Your Piece of the Pie with Performance

6

Mobile Apps Are Network Dependent

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

83% of Android apps request Network Access (2014)http://www.pewinternet.org/2015/11/10/apps-permissions-in-the-google-play-store/

Cellular Networks are High Latency Environments

https://upload.wikimedia.org/wikipedia/commons/thumb/9/9e/Wifi.svg/221px-Wifi.svg.png

Getting Your Piece of the Pie with Performance

7

Testing Your App’s Network Performance

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

• AT&T’s Video Optimizer• Free• Open Source• iOS/Android

• Successor to Application Resource Optimizer• Network traces on Device• Grades against 40 Best Practices• https://developer.att.com/videooptimizer Useful tests for apps with (or

without) video!`

Getting Your Piece of the Pie with Performance

8

Using Video Optimizer

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Runs network traces on your phone

1. Pick device2. Collector type3. Set network conditions4. Decrypt HTTPS5. Record screen?6. Name

7. GO!

Getting Your Piece of the Pie with Performance

Video Optimizer establishes a VPN connection on Device

Device screen displayed on your computer

Click Stop to end trace. Files copied over to computer for analysis.

Gather a Test Trace from the Device

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Getting Your Piece of the Pie with Performance

Best Practices– Test Results

Connections

Files and Images

HTML

Security

Video

GPS

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Getting Your Piece of the Pie with Performance

Best Practices– Files & Images

Connections

Files and Images

HTML

Security

VideoText Compression• Gzip – reduces files • Faster Download• Less data usage• Fast encode decode• 131 KB -> 16 KB

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Getting Your Piece of the Pie with Performance

Best Practices– Files & ImagesImage Compression

If all Images were delivered as WebP,

Sneak Peek!!Coming in May

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Getting Your Piece of the Pie with Performance

Best Practices– Files & ImagesImage Compression

Original JPG 220 KB 85% compression 22 KB WebP 11 KB

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Getting Your Piece of the Pie with Performance

Best Practices– Connections

https://www.flickr.com/photos/rumpleteaser/5026312320

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Getting Your Piece of the Pie with Performance

Best Practices– ConnectionsEvery Connection counts!• Periodic connections kill the battery (use push!)• Multiple connections can lead to outages

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Getting Your Piece of the Pie with Performance

Best Practices– Security

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Getting Your Piece of the Pie with Performance

Best Practices– Video

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

https://www.flickr.com/photos/bagogames/19463385444

• Startup delays• Detection of Stalls• Bitrate• Buffer usage• And more!

Getting Your Piece of the Pie with Performance

Demo

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Getting Your Piece of the Pie with Performance

Other Cool Features

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Getting Your Piece of the Pie with Performance

GPS & CPU (Android)

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Getting Your Piece of the Pie with Performance

Q&A Video Optimizer developer.att.com/video-optimizer

High Performance Android Apps http://shop.oreilly.com/product/0636920035053.do

Getting Your Piece of the Pie with Performance

© 2017 AT&T Intellectual Property. All rights reserved. AT&T, Globe logo, Mobilizing Your World and DIRECTV are registered trademarks and service marks of AT&T Intellectual Property and/or AT&T affiliated. companies All other marks are the property of their respective owners. AT&T Proprietary (Internal Use Only). Not for use or disclosure outside the AT&T companies except under written agreement.

Getting Your Piece of the Pie with Performance