Best Practices and Advanced Insights on Browser RUM Users - AppSphere16

Global End User Experience
Ian Withrow
Group Product Manager | AppDynamics

APPDYNAMICS CONFIDENTIAL AND PROPRIETARY 2
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Copyright © 2016 AppDynamics. All rights reserved. 3
AppDynamics has this great data we
want to share
Picture by Dominic Alves | Creative Commons

But first I want to get everyone on the
same page
Picture by Bradley P Johnson| Creative Commons

Why do we care about how fast
websites load?
Picture by Eric Fischer | Creative Commons

Performance got its start with Robert Miller in 1968
• Idea: performance impacts
effective use of software
• Identified 3 key concepts for how
the human brain interfaces with
machines
• https://www.computer.org/csdl/pro
ceedings/afips/1968/5072/00/507
20267.pdf

#1 - Less 100-200 ms feels
instantaneous
Picture by Laitr Keiows| Wikimedia Commons

Instant is actually bad, it feels fake and
throws users off
Picture by Takeaway | Wikimedia Commons

#2 – 1 second allows users to
maintain flow
Picture by Nat Sakunworarat | Public Domain

#3 – Users eventually context switch
• Miller thought 10 seconds...
• Users will start to do/think about
something eventually
• Some grab a coffee
• Others…

Psychology says the lizard brain
eventually wins
Picture by Yathin S Krishnappa | Wikimedia Commons

So if we want the dog to eat we have to
care too
Picture by Buzz Farmers| Creative Commons

The right question: what level of performance is needed?
Picture by Mylius | Wikimedia Commons

Two are two fundamental tools folks use to answer this
• Normative standards
– Established by experts
• Benchmark
– Measure, set a goal and
manage to it
• Let’s look at expert data and
case studies first
Picture by Nicholas Mutton | Wikimedia Commons

The goal is moving overtime as networks get faster
8
4
2
1996 1998 2000 2002 2004 2006 2008 2010
"Ideal" performance overtime (seconds)
Netscape – “Worth the Wait”
Akamai 4 second rule
Akamai 2 second rule

Microsoft Bing: 2-3% revenue per second
Source Microsoft 2009

Google Search: 1%-4% Revenue per second
Source Google 2009

Shopzilla: 3% Revenue per second
84.00%
86.00%
88.00%
90.00%
92.00%
94.00%
96.00%
98.00%
100.00%
9/1/2008
9/8/20089/15/20089/22/20089/29/200810/6/200810/13/200810/20/200810/27/200811/3/200811/10/200811/17/200811/24/2008
Sessions to Google Clicks Ratio
Bizrate
Shopzilla
Source Shopzilla 2009

Walmart.com: Faster sessions convert much more
Source Walmart 2013

Are large ecommerce/search engines
like you?
Picture by frankieleon | Creative Commons

Is performance a feature or a requirement?
Picture by Trenton Kelley | Creative CommonsPicture by Anonymous | Wikimedia Commons

Feature
• Transactional
• Limited differentiation
• Outcome leads directly to
money
– Easy ROI case
Picture by Anonymous | Wikimedia Commons

Requirement
• Loyal customers
• Other capabilities drive usage
• At some point bad app
performance probably has an
impact
• Relationship is not as easy to
quantify
• Team may plan for a level of
performance, may have SLAs
• Benchmarking is good tool to
set and maintain these SLAs
Picture by Trenton Kelley | Creative Commons

Benchmarking
Picture by Simon A. Eugster | Wikimedia Commons

Synthetic strengths and weaknesses
Benefits of Synthetic
• Synthetic is consistent
• You can measure anything
• Great for alerting
• It works and is proven
Complaints about synthetic
• But it doesn’t match with real
user experiences
• Lacks breadth
• Guys like Akamai how
engineered their nodes to look
good on synthetic

Experience across AppD customers - methodology
• 1 week of data from late September-early October
• Across all production Browser RUM apps on the EUM cloud
• All performance numbers are in End User Response time in
seconds
• Aka when the browser fires the onload event
– The worst measure of UX that happens to be better than all the others
we have

Average web performance around the world
6.11
4.92
6.10
6.92
8.75
Global North America Europe APAC South America
Source AppDynamics 2016

Global distribution of performance
P50 ~ 3.5 seconds
P75 ~ 7 seconds
P90 ~ 12.5 seconds
P95 ~ 19 seconds

North America distribution of performance
P50 ~ 3 seconds
P75 ~ 5.5 seconds
P90 ~ 9.5 seconds
P95 ~ 15.5seconds

European distribution of performance
P50 ~ 4 seconds
P75 ~ 7 seconds
P90 ~ 12.5 seconds
P95 ~ 18.5seconds

South American distribution of performance
P50 ~ 5.5 seconds
P75 ~ 10 seconds
P90 ~ 18 seconds
P95 ~ 27 seconds

APAC distribution of performance (low N)
P50 ~ 3.5 seconds
P75 ~ 7 seconds
P90 ~ 14 seconds
P95 ~ 23 seconds

APAC distribution from 13 seconds to 30 second buckets
P95 ~ 23 seconds
P90 ~ 14 seconds

So how do you match up vs. your peers?
4.5
2.7
4.7
8.1
11.8
19.0
26.6
Average
P50
P75
P90
P95
P98
P99
Median load time by company (top 200)

How do AppD customers match up against the 2s rule?
35%
16%
7%
50% of the time 75% of the time 90% of the time
Fraction of customers that consistently load under 2 seconds
(top 200)

OK, let’s move on to something less intense: user devices
Picture by Maurizio Pesce | Wikimedia Commons

Break out between computers and mobile devices
67%
72%
61%
85%
76%
33%
28%
39%
15%
24%
Global
North America
Europe
APAC
South America

Browser usage – mobile
Chrome
Android Mobile
iOS Mobile
Internet Explorer
Firefox
Safari
Edge
iOS Chrome
Other

North America browsers
Chrome
Internet Explorer
iOS Mobile
Android Mobile
Firefox
Safari
Edge
iOS Chrome
Other

European browsers
Chrome
iOS Mobile
Android Mobile
Internet Explorer
Firefox
Safari
Edge
iOS Chrome
Other

South America
Chrome
Android Mobile
Internet Explorer
Firefox
iOS Mobile
Safari
Edge
Other
iOS Chrome

APAC browsers
Chrome
Safari
Internet Explorer
Firefox
iOS Mobile
Android Mobile
Edge
Other
iOS Chrome

Wait what?
Picture by Yathin S Krishnappa | Wikimedia Commons

Digging deeper into the data….
• APAC N is small
• Safari on Windows is almost all
from one online game customer
• Hypothesis: Some ‘other’ webkit
browser that looks like to be
Safari on Windows
Picture by Yoel Ben-Avraham| Creative Commons

Sougou User agent is almost identical to Windows Safari

Histogram of load times

AppD users by browser

Which IE version?

Device type

You can do this too!

First you need EUM! Lite will do in a pinch

Top takeaways
Business Outcomes • Web page load time has a direct impact on it
2.7 seconds
• A median load time of 2.7 seconds is just the middle of AppDynamics
customers
2 seconds • Loading constituently under 2 seconds is possible
IE  • Has fallen far in terms of market share
Mobile! • Apps need to handle mobile browsers

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APPDYNAMICS CONFIDENTIAL AND PROPRIETARY 54
Win!

Find your app or get started to setup

The first screen provides mean (P50) performance

If you just have Lite try the Geo Dashboard for average

Checkout “Analyze” to explore the data interactively

Best Practices and Advanced Insights on Browser RUM Users - AppSphere16

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