web performance the base for devops?! - webperf meetup atlanta
TRANSCRIPT
2 #kenzenhofer
Performance Tools
And just very recently @ Euro Song Contest
What you should check out …
11 #kenzenhofer
DevOps Team
Developer Tester Operations
12 #kenzenhofer
Developer
Tester
Operations
Customer
13 #kenzenhofer
The Problem
in the World
today is
COMMUNICATION
14 #kenzenhofer
Metrics……the IT language
15 #kenzenhofer
# of Requests Weight Response Time
16 #kenzenhofer
# of Requests
17 #kenzenhofer
“We want more Web 2.0”
18 #kenzenhofer
Load Test Prior to Change
19 #kenzenhofer
Load Test After Change
20 #kenzenhofer
21 #kenzenhofer
There is more than you think …Third Party Content
Our Content
22 #kenzenhofer
23 #kenzenhofer
Adult Industry
XXX.com
142 TPC Domains
24 #kenzenhofer
Weight
25 #kenzenhofer
Mobile Landing Page of Super Bowl Ad
434 Resources in total on that page:230 JPEGs, 75 PNGs, 50 GIFs, …
Total size of ~ 20MB
26 #kenzenhofer
m.store.com redirects to www.store.comALL CSS and JS files are
redirected to the www domain
This is a lot of time “wasted” especially on high latency mobile
connections
27 #kenzenhofer
Critical Pages not Optimized!
Browse, Search and Product Info
performs well
… because they don’t follow best practices: 87 Requests, 28
Redirects, …
Critical Pages such as Shopping Cart are very
slow …
28 #kenzenhofer
Response Time
29 #kenzenhofer
Did the Superbowl Investment pay off for KIA?
30 #kenzenhofer
Ad
on
air
31 #kenzenhoferCOMPANY CONFIDENTIAL – DO NOT DISTRIBUTE
@
1h before SuperBowl KickOff
1h after Game ended
32 #kenzenhofer
The Developer‘s/Operator‘s Nightmare
Customer Support
33 #kenzenhofer
The Developer‘s/Operator‘s Nightmare
Biz/Support IT Operations
Development
Fix the issue!We are losing money!
34 #kenzenhofer
“Teamwork” between Dev and Ops
SEV1 Problem in Production
Need access to log files
Where are they? Can’t get them
Need to increase log level
Can’t do! Can’t change configfiles in prod!
35 #kenzenhofer
A user’s contact list
36 #kenzenhofer
A user’s contact list
Switch from Mail to Contacts
Visit of the user that complained
37 #kenzenhofer
A user’s contact list
Error in Browser
Which JavaScript File
Line of Code
38 #kenzenhofer
? ? ?
Unit/Integration
Tests
Acceptance
Tests
Capacity
Tests
ReleaseDevelopers
39 #kenzenhofer
Performance Issues
Unit Tests Integration Tests
Acceptance Tests
Load Tests
Meets requirements
Responds correctly to input
Performs in acceptable time
Usability
Deployment
Achieves Correct Result
40 #kenzenhofer
Basics
Metric: Test duration
I don’t like endsWith…… I like regex!
41 #kenzenhofer
What is the response time?
42 #kenzenhofer
The Performance Impact
Navigation Timings
This is 2012 style!
43 #kenzenhofer
The Performance Impact
http://apdex.org/
0 2.0s 8.0s(4 x 2.0s)
Satisfied Tolerating Frustrated
Navigation Timings
44 #kenzenhofer
Single Page Load Apps
W3C Timings Blindspots!
http://blogs.telerik.com/telerikmarketing/posts/14-05-21/everything-you-wanted-to-know-about-native-hybrid-and-web-apps-but-were-afraid-to-ask
Omni Channel Market
Navigation Timings Navigation Timings
User Action Response Time
45 #kenzenhofer
Errors – Have the biggest „social“ impact!
46 #kenzenhofer
User Experience Index
User Action
Response TimeErrors
47 #kenzenhofer
Learn from a Users Journey
48 #kenzenhofer
User Experience Index
User BehaviorUser Action
Response TimeErrors
49 #kenzenhofer
Is this STILL Enough?
Bandwidth
50 #kenzenhofer
User BehaviorUser Environment
User Experience Index
User Action
Response Time
Errors
51 #kenzenhofer
The mobile challenge and metrics
52 #kenzenhofer
53 #kenzenhofer
We need a mobile strategy!
54 #kenzenhofer
55 #kenzenhofer
56 #kenzenhoferhttp://fintalk.cdw.com/2015/01/08/financial-it-trends-banks-infographic-2015/
57 #kenzenhofer
“Our customers expect the same experience throughout all our channels no matter if it is
the website, mobile site or the real physical store!”
Mike Austin, Director of e-CommerceRoomstoGo.com
58 #kenzenhofer
Developer
Tester
Operations
Customer CareBusinessCustomer
Do metricsas a common language
still work?
59 #kenzenhofer
60 #kenzenhofer
Successfulsearches
Unsuccessful searchesbroken down by reason
61 #kenzenhofer
If we do all that
62 #kenzenhofer
We align Technical Goals …
80% Dev Time for Bug Fixing
$60B Costs by Defects
63 #kenzenhofer
… with Business Goals
64 #kenzenhofer
Klaus EnzenhoferSenior Technology Strategist
#kenzenhofer
http://blog.dyntrace.com
Thank You!