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
Deconstructing Performance
Search
Denys Mishunov
April 10, 2017
Technology
800
4
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Deconstructing Performance
As presented at Smashing Conference, San Francisco 2017
Denys Mishunov
April 10, 2017
More Decks by Denys Mishunov
See All by Denys Mishunov
debugger; for developers
mishunov
1
600
Deconstructing Performance
mishunov
2
590
Why Performance Matters
mishunov
2
1k
В погоне за производительностью
mishunov
0
350
Illusion of Time [JSConfEU 2015 edition]
mishunov
1
210
Illusion of Time. When 60 sec is not 1 minute
mishunov
0
170
Научный Дизайн
mishunov
0
290
Let me tell you a story
mishunov
0
150
Science of Design 2
mishunov
5
780
Other Decks in Technology
See All in Technology
トークン数だけでは測れない — Claude Code 組織展開の効果検証から学んだこと
makikub
0
140
AIソロプレナー時代に2ヶ月で20人増員した事業創造会社の開発組織の話
miyatakoji
0
320
Building applications in the Gemini API family.
line_developers_tw
PRO
0
2.4k
AI駆動開発が変える、大規模開発の前提 ーHuman in the Loop から Human on the Loop へ / AIE2026
visional_engineering_and_design
30
22k
ChatworkとBPaaS 異なる特性で学んだAI機能開発の ベストプラクティス
kubell_hr
2
3.3k
ABEMA の Datadog × OTel 基盤、 中から見るか? 外から見るか?
tetsuya28
0
110
NAB Show 2026 動画技術関連レポート / NAB Show 2026 Report
cyberagentdevelopers
PRO
0
130
Amazon Bedrock AgentCore ワークショップ JAWS UG TOHOKU / amazon-bedrock-agentcore-workshop-jawsug-tohoku-2026
gawa
9
530
On-behalf-of Token exchange with AgentCore Identity
hironobuiga
2
110
Agentic ERPをどう設計するか ー 受発注エージェントを動かす、現場の知見と設計思想ー
recerqainc
1
2k
2026.06.13_AI時代に事業会社が「SIer出身エンジニア」を求める理由 / Why Businesses Seek Engineers with a System Integrator Background in the AI Era
jumtech
0
970
機械学習を「社会実装」するということ 2026年夏版 / Social Implementation of Machine Learning June 2026 Version
moepy_stats
3
640
Featured
See All Featured
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
49
3.5k
Designing Experiences People Love
moore
143
24k
Paper Plane
katiecoart
PRO
1
51k
Accessibility Awareness
sabderemane
1
130
How to Grow Your eCommerce with AI & Automation
katarinadahlin
PRO
1
200
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
55
3.4k
Reflections from 52 weeks, 52 projects
jeffersonlam
356
21k
Max Prin - Stacking Signals: How International SEO Comes Together (And Falls Apart)
techseoconnect
PRO
0
180
Tell your own story through comics
letsgokoyo
1
950
Lightning Talk: Beautiful Slides for Beginners
inesmontani
PRO
2
570
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
4.3k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
46
2.9k
Transcript
Deconstructing DENYS MISHUNOV • DIGITAL GARDEN AS • @mishunov
PTDBSHPDPN ,FWJO8JOUFS(FUUZ*NBHFT ,FWJO8JOUFS(FUUZ*NBHFT ,FWJO8JOUFS(FUUZ*NBHFT
HPPHMSUD6)
None
2003 2005 2007 2009 2011 2013 2015 "7&3"(&#:5&4 1&31"(& 93,7
kB 2569 kB IUUQHPPHMRKNVN
-0"%*/(5*.& &70-65*0/ 1999 2006 2012 2017 IUUQHPPHMRKNVN 8 s 4
s 2 s 1 s 2569 kB
T DPOWFSTJPὝ T SFWFOVF
.0#*-&53"/4"$5*0/4 4637&: Harris Interactive for Tealeaf, 2011
$634&% BUUIFJSEFWJDF #*@%! .0#*-&53"/4"$5*0/4 4637&:
4$3&".&% BUUIFJSEFWJDF .0#*-&53"/4"$5*0/4 4637&:
5)3&8 UIFJSEFWJDF .0#*-&53"/4"$5*0/4 4637&:
1&01-& )"5& 8"*5*/(
IUUQTHPPHMDE2$& NJMMJPOT 8.143s 14.200s > 15.013s
1&3'3."/$& JTOPU ."5)&."5*$4
1&3'3."/$& JT 1&3$&15*0/
None
14:$)0-0(*$"- 1&3'03."/$& 015*.*4"5*0/
None
None
+/% KVTUOPUJDFBCMFEJ⒎FSFODF 8&#&3'&$)/&3-"8
36-& &7&/5
.&"/*/('6- /05*$&"#-& !==
OPTION 1 OPTION 2 1FSGPSNBODF ."55&34 SMASHING CONFERENCE BCTPMVUFOVNCFSTEPO`U OPTION
3 1FSGPSNBODF ."55&34 SMASHING CONFERENCE BCTPMVUFOVNCFSTEPO`U 1FSGPSNBODF ."55&34 SMASHING CONFERENCE BCTPMVUFOVNCFSTEPO`U
OPTION 1 OPTION 2 1FSGPSNBODF ."55&34 SMASHING CONFERENCE BCTPMVUFOVNCFSTEPO`U OPTION
3 1FSGPSNBODF ."55&34 SMASHING CONFERENCE BCTPMVUFOVNCFSTEPO`U 1FSGPSNBODF ."55&34 SMASHING CONFERENCE BCTPMVUFOVNCFSTEPO`U і і і
None
36-&
&7&/5 REGRESSION ALLOWANCE 36-&
None
None
5*.&QFSTJTUTNFSFMZBTB DPOTFRVFODFPGUIF&7&/54 UBLJOHQMBDFJO<TQBDF> Martin Heidegger t u
1"44*7& "$5*7&
1"44*7& "$5*7&
1"44*7& "$5*7&
14:$)0-0(*$"-1&3'03."/$&015*.*4"5*0/ PASSIVE ACTIVE
1"44*7& 1)"4&
1"44*7& 1)"4&
"$5*7& 1)"4& 7JEFPTPVSDFIUUQSFZLKBWJLTJHIUTFFJOHJT
015*.*45*$6*
1-3% 97-99% 4 6 $ $ & 4 4 '
" * - 6 3 &
$-*$,.& 015*.*45*$6*
✔ 015*.*45*$6*
"1* ✔ 015*.*45*$6*
"1* ✔ error 0).:ʜ 015*.*45*$6*
015*.*45*$6*
015*.*45*$6*
015*.*45*$6*
MJOLSFMlʜISFGlʜ IUUQTXXXXPSH538%SFTPVSDFIJOUT 3&4063$&)*/54
SFMlEOTQSFGFUDIz SFMlQSFDPOOFDUz SFMlQSFGFUDIz SFMlQSFSFOEFSz SFMlQSFMPBEzBTlUZQFz IUUQHPPHM,LR+%
SFMlEOTQSFGFUDIz SFMlQSFDPOOFDUz SFMlQSFGFUDIz SFMlQSFSFOEFSz SFMlQSFMPBEzBTlUZQFz IUUQHPPHM,LR+%
HPPHMRKNVN
$3*5*$"-1"5)
$3*5*$"-1"5) $0/5&/5 +4 +4 *.( )5.- $44 $44 +4 +4
*.( *.(
$3*5*$"-1"5) $0/5&/5 +4 +4 *.( )5.- $44 $44 *.( *.(
+4
14:$)0-0(*$"-1&3'03."/$&015*.*4"5*0/ PASSIVE ACTIVE
HPPHM[G$-IT
None
None
None
… a couple of hours SURE! ,FWJO8JOUFS(FUUZ*NBHFT
LA LA WEB The Performance Experiment
LA LA WEB The Performance Experiment DISCLAIMER: This experiment contains
copyrighted material. The material is provided for non- profit educational purposes, comments, criticismsm and research. This should constitute a “fair use” of any such copyrighted material as provided for in §107 of the U.S. Copyright Act.
None
A COUPLE OF HOURS (REALLY) (REALLY) NO CHANGES TO FUNCTIONALITY
CONSTRAINTS PRIORITISE PERCEPTION
PASSIVE
PASSIVE
PASSIVE ACTIVE
WAITS FOR ALL ASSETS/SECTIONS REASONS
WAITS FOR ALL ASSETS/SECTIONS
SOLUTION
CRITICAL RENDERING PATH OPTIMISATION SOLUTION
CRITICAL
LA LA LAND HTML CSS IMAGES FONTS
LA LA LAND HTML
LA LA LAND HTML…………………MINIFIED
LA LA LAND CSS CSS HTML…………………MINIFIED
LA LA LAND MAIN CSS HTML…………………MINIFIED CSS………INLINE CRITICAL
LA LA LAND FONTS MAIN CSS HTML…………………MINIFIED CSS………INLINE CRITICAL
LA LA LAND MAIN CSS 6 FONTS FONTS………….3 (PRELOAD) HTML…………………MINIFIED
CSS………INLINE CRITICAL
LA LA LAND MAIN CSS 6 FONTS IMAGES FONTS………….3 (PRELOAD)
HTML…………………MINIFIED CSS………INLINE CRITICAL
LA LA LAND MAIN CSS 6 FONTS IMAGES…………OPTIMISED FONTS………….3 (PRELOAD)
HTML…………………MINIFIED CSS………INLINE CRITICAL
LA LA LAND MAIN CSS 6 FONTS IMAGES…………OPTIMISED + RESOURCE
HINTS FONTS………….3 (PRELOAD) HTML…………………MINIFIED CSS………INLINE CRITICAL
LA LA LAND MAIN CSS 6 FONTS IMAGES…………OPTIMISED + RESOURCE
HINTS CACHING FONTS………….3 (PRELOAD) HTML…………………MINIFIED CSS………INLINE CRITICAL
LA LA LAND JS MAIN CSS 6 FONTS + RESOURCE
HINTS CACHING IMAGES…………OPTIMISED FONTS………….3 (PRELOAD) HTML…………………MINIFIED CSS………INLINE CRITICAL
LA LA LAND JS MAIN CSS 6 FONTS <script async
defer src=“defered.js"> </script>
LA LA LAND JS MAIN CSS 6 FONTS <script async
defer src=“defered.js"> </script> + PREFETCH + PREFETCH
LA LA LAND JS MAIN CSS 6 FONTS <script async
defer src=“defered.js"> </script> + PREFETCH + PREFETCH + PRELOAD + PRELOAD
+ RESOURCE HINTS CACHING IMAGES…………OPTIMISED FONTS………….3 (PRELOAD) HTML…………………MINIFIED CSS………INLINE CRITICAL
+ DEFER & DELAY EVERYTHING ELSE LA LA LAND COOKBOOK
None
None
PASSIVE ACTIVE
SPEED INDEX 14324 START RENDER TTI 13.879s > 17.516s HPPHMLL;-V
SPEED INDEX 14324 START RENDER TTI 13.879s > 17.516s 0.921s
> 5.511s 1651 HPPHMFN80p
HPPHMFN80p SPEED INDEX 14324 START RENDER TTI 13.879s > 17.516s
0.921s > 5.511s 1651 88% FASTER
5IFQFSDFQUJPOPG QFSGPSNBODFJTKVTUBT F⒎FDUJWFBTBDUVBM QFSGPSNBODFῶNBOZ DBTFT t u
5)"/,:06 :&4 5)&*--6453"5*0/4"3&.*/& DENYS MISHUNOV DIGITAL GARDEN AS @mishunov