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
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
Denys Mishunov
April 10, 2017
Technology
4
780
Deconstructing Performance
As presented at Smashing Conference, San Francisco 2017
Denys Mishunov
April 10, 2017
Tweet
Share
More Decks by Denys Mishunov
See All by Denys Mishunov
debugger; for developers
mishunov
1
590
Deconstructing Performance
mishunov
2
590
Why Performance Matters
mishunov
2
990
В погоне за производительностью
mishunov
0
340
Illusion of Time [JSConfEU 2015 edition]
mishunov
1
200
Illusion of Time. When 60 sec is not 1 minute
mishunov
0
150
Научный Дизайн
mishunov
0
280
Let me tell you a story
mishunov
0
140
Science of Design 2
mishunov
5
760
Other Decks in Technology
See All in Technology
アーキテクチャモダナイゼーションを実現する組織
satohjohn
1
1.1k
フロントエンド刷新 4年間の軌跡
yotahada3
0
490
The_Evolution_of_Bits_AI_SRE.pdf
nulabinc
PRO
0
240
Tebiki Engineering Team Deck
tebiki
0
27k
Go 1.26 Genericsにおける再帰的型制約 / Recursive Type Constraints in Go 1.26 Generics
ryokotmng
0
120
AIエージェント、 社内展開の前に知っておきたいこと
oracle4engineer
PRO
2
150
20260311 技術SWG活動報告(デジタルアイデンティティ人材育成推進WG Ph2 活動報告会)
oidfj
0
360
OCI技術資料 : コンピュート・サービス 概要
ocise
4
54k
OSC仙台プレ勉強会 AlmaLinuxとは
koedoyoshida
0
190
生成AIで速度と品質を両立する、QAエンジニア・開発者連携のAI協調型テストプロセス
shota_kusaba
0
180
NewSQL_ ストレージ分離と分散合意を用いたスケーラブルアーキテクチャ
hacomono
PRO
4
390
AI実装による「レビューボトルネック」を解消する仕様駆動開発(SDD)/ ai-sdd-review-bottleneck
rakus_dev
0
150
Featured
See All Featured
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
49
3.3k
4 Signs Your Business is Dying
shpigford
187
22k
Efficient Content Optimization with Google Search Console & Apps Script
katarinadahlin
PRO
1
410
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
52
5.9k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
46
2.7k
JAMstack: Web Apps at Ludicrous Speed - All Things Open 2022
reverentgeek
1
390
Mozcon NYC 2025: Stop Losing SEO Traffic
samtorres
0
180
Art, The Web, and Tiny UX
lynnandtonic
304
21k
The Anti-SEO Checklist Checklist. Pubcon Cyber Week
ryanjones
0
92
For a Future-Friendly Web
brad_frost
183
10k
Designing Experiences People Love
moore
143
24k
Writing Fast Ruby
sferik
630
63k
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