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
4
750
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
560
Deconstructing Performance
mishunov
2
560
Why Performance Matters
mishunov
2
940
В погоне за производительностью
mishunov
0
290
Illusion of Time [JSConfEU 2015 edition]
mishunov
1
170
Illusion of Time. When 60 sec is not 1 minute
mishunov
0
130
Научный Дизайн
mishunov
0
260
Let me tell you a story
mishunov
0
110
Science of Design 2
mishunov
5
730
Other Decks in Technology
See All in Technology
「Roblox」の開発環境とその効率化 ~DAU9700万人超の巨大プラットフォームの開発 事始め~
keitatanji
0
140
薬屋のひとりごとにみるトラブルシューティング
tomokusaba
0
390
会社にデータエンジニアがいることでできるようになること
10xinc
7
820
キャリアを支え組織力を高める「多層型ふりかえり」 / 20250821 Kazuki Mori
shift_evolve
PRO
2
120
信頼できる開発プラットフォームをどう作るか?-Governance as Codeと継続的監視/フィードバックが導くPlatform Engineeringの進め方
yuriemori
1
200
✨敗北解法コレクション✨〜Expertだった頃に足りなかった知識と技術〜
nanachi
1
780
Delegate authentication and a lot more to Keycloak with OpenID Connect
ahus1
0
240
Claude Codeは仕様駆動の夢を見ない
gotalab555
23
7.2k
結局QUICで通信は速くなるの?
kota_yata
8
7.5k
o11yツールを乗り換えた話
tak0x00
2
1.7k
工業高校で学習したとあるエンジニアのキャリアの話
shirayanagiryuji
0
120
AIと描く、未来のBacklog 〜プロジェクト管理の次の10年を想像し、創造するセッション〜
hrm_o25
0
110
Featured
See All Featured
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
31
2.5k
Embracing the Ebb and Flow
colly
86
4.8k
Why You Should Never Use an ORM
jnunemaker
PRO
58
9.5k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
50
5.5k
Build The Right Thing And Hit Your Dates
maggiecrowley
37
2.8k
Fireside Chat
paigeccino
39
3.6k
Facilitating Awesome Meetings
lara
55
6.5k
Site-Speed That Sticks
csswizardry
10
770
Large-scale JavaScript Application Architecture
addyosmani
512
110k
The Language of Interfaces
destraynor
160
25k
jQuery: Nuts, Bolts and Bling
dougneiner
64
7.8k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
46
7.6k
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