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
Optimise your home page (fast as lightning)
Search
Peter Hedenskog
November 04, 2014
Technology
1
55
Optimise your home page (fast as lightning)
A Cybercom sponsored talk I did in Karlskrona Sweden about making your pages as fast as possible.
Peter Hedenskog
November 04, 2014
Tweet
Share
More Decks by Peter Hedenskog
See All by Peter Hedenskog
Keeping Wikipedia fast [WeLoveSpeed]
soulislove
1
480
Measuring Web Performance for Wikipedia using synthetic testing tools
soulislove
0
440
Measuring Web Performance Using Selenium
soulislove
2
840
Monitoring Web Performance using Open Source tools (Stockholm)
soulislove
2
240
Monitoring web performance using Open Source tools (San Francisco & Silicon Valley Web Performance Group)
soulislove
1
350
Monitoring web performance using Open Source tools (South Bay JavaScript Meetup)
soulislove
0
240
Integrating performance tools into continuous delivery
soulislove
0
270
How to make your boss speed-curious and other webperf tricks - coldfront2014
soulislove
0
180
Sitespeed.io Lightning demo @ Velocity Santa Clara 2014
soulislove
0
120
Other Decks in Technology
See All in Technology
ビズリーチ求職者検索におけるPLMとLLMの活用 / Search Engineering MEET UP_2-1
visional_engineering_and_design
1
130
Simplifying Cloud Native app testing across environments with Dapr and Microcks
salaboy
0
170
LLMアプリの地上戦開発計画と運用実践 / 2025.10.15 GPU UNITE 2025
smiyawaki0820
1
570
Findy Team+ QAチーム これからのチャレンジ!
findy_eventslides
0
230
綺麗なデータマートをつくろう_データ整備を前向きに考える会 / Let's create clean data mart
brainpadpr
3
520
ユーザーの声とAI検証で進める、プロダクトディスカバリー
sansantech
PRO
1
140
[Keynote] What do you need to know about DevEx in 2025
salaboy
0
170
20251014_Pythonを実務で徹底的に使いこなした話
ippei0923
0
200
ガバメントクラウドの概要と自治体事例(名古屋市)
techniczna
3
240
業務効率化をさらに加速させる、ノーコードツールとStep Functionsのハイブリッド化
smt7174
2
140
Contract One Engineering Unit 紹介資料
sansan33
PRO
0
8.8k
Oracle Base Database Service 技術詳細
oracle4engineer
PRO
12
80k
Featured
See All Featured
A Modern Web Designer's Workflow
chriscoyier
697
190k
Build The Right Thing And Hit Your Dates
maggiecrowley
37
2.9k
The Cult of Friendly URLs
andyhume
79
6.6k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
9
980
Agile that works and the tools we love
rasmusluckow
331
21k
Building an army of robots
kneath
306
46k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
252
21k
VelocityConf: Rendering Performance Case Studies
addyosmani
332
24k
Building Adaptive Systems
keathley
44
2.8k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
16
1.7k
Documentation Writing (for coders)
carmenintech
75
5.1k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
30
2.9k
Transcript
[email protected]
Optimera er hemsida 2014-11-04
Peter Hedenskog web performance geek
None
None
The secret
None
None
faster websites makes less money
faster websites makes less money more
“We made the new platform 60% faster and this resulted
in a 14% increase in donation conversions.”
For every 1 second of improvement Walmart experienced up to
a 2% increase in conversions. For every 100 ms of improvement, Walmart grew incremental revenue by up to 1%
Staples shaved 1 second off median, 6s off 98th percentile,
conversions improved 10%
“Over time we found a strong correlation between site speed
and buyer purchases per week”
“A slow site impacts the brand” Tammy Everts
None
http:// www.peterhedenskog.com/ blog/2014/09/more-speed- more-money/
“We must deliver and render the above the fold (ATF)
content in under one second, which allows the user to begin interacting with the page as soon as possible.”
Why?
< 0.1 second - instant < 1.0 second - flow
=>10 seconds - lost Robert B. Miller - Response Time in Man- Computer Conversational Transactions (1968) The brain
Context
“Smart phone users are more tolerant to slow sites”
We accept slower page load time when we go to
checkout.
but …
None
None
None
The Performance Golden Rule!
“80-90% of the end-user response time is spent on the
frontend.” Steve Souders - Yahoo/Google/Fastly Tested top 50K Alexa websites
front end dev
front end dev
front end dev
front end dev
front end dev
With great power …
comes great responsibility!
Web performance 2014
“I like thinking big.” Donald Trump
“Think small” Peter Hedenskog
What?
super computers
super fast internet
remember
mobile phones
data
the city
“Think small” Peter Hedenskog
minimize
combine
avoid requests
no requests
above the fold
Web performance in practice
None
How?
None
s Web perf tool
None
Web perf tool
BFF
Integrate performance tools into continuous delivery
Web performance in practice 2
None
None
communication
The boss
Visualize
The boss understands red, yellow and green
1200 ms
red 1200 ms
yellow 1200 ms
green 1200 ms
None
None
business
the problem solver
the performance budget
None
summary
None
None
small
None
None
None
None
Thank you! Peter Hedenskog @soulislove