MIROSLAV JONAŠ
MIROSLAV JONAŠ
(no one is talking about)
THE OTHER JAVASCRIPT
PERFORMANCE
THE OTHER JAVASCRIPT
PERFORMANCE
(no one is talking about)
ViennaJS, 11/22
ViennaJS, 11/22
@meeroslav
@meeroslav
Slide 2
Slide 2 text
Future of performance
tooling
High speed web
Optimizing X for performance
Slide 3
Slide 3 text
Monorepos
Monorepos make
things faster as well,
you know…
Slide 4
Slide 4 text
TTI
FCP
TBT
LCP
LSD NBA
Slide 5
Slide 5 text
STATIC WEBSITES
STATIC WEBSITES
Slide 6
Slide 6 text
SSR
SSR
Server side
Slide 7
Slide 7 text
LAZY LOADING
LAZY LOADING
Slide 8
Slide 8 text
HYDRATION
HYDRATION
Slide 9
Slide 9 text
PARTIAL HYDRATION
PARTIAL HYDRATION
Slide 10
Slide 10 text
ISLANDS
ISLANDS
Slide 11
Slide 11 text
No content
Slide 12
Slide 12 text
WEBSITE AFTER INITIAL LOAD
WEBSITE AFTER INITIAL LOAD
Slide 13
Slide 13 text
BATTLE TESTED
BATTLE TESTED
Slide 14
Slide 14 text
No content
Slide 15
Slide 15 text
No content
Slide 16
Slide 16 text
1
2
3 4
Slide 17
Slide 17 text
MUTATIONS ARE
BAD
Slide 18
Slide 18 text
NOT ALWAYS, THOUGH
Slide 19
Slide 19 text
No content
Slide 20
Slide 20 text
No content
Slide 21
Slide 21 text
No content
Slide 22
Slide 22 text
Repetitio est mater stu…
Slide 23
Slide 23 text
?
Slide 24
Slide 24 text
No content
Slide 25
Slide 25 text
No content
Slide 26
Slide 26 text
“NO CODE IS
ALWAYS FASTER
THAN ANY CODE”
- ME
Slide 27
Slide 27 text
ARRAYS VS
OBJECTS
Slide 28
Slide 28 text
A_RAY
Slide 29
Slide 29 text
No content
Slide 30
Slide 30 text
No content
Slide 31
Slide 31 text
No content
Slide 32
Slide 32 text
No content
Slide 33
Slide 33 text
LOOKUP TABLES
Slide 34
Slide 34 text
No content
Slide 35
Slide 35 text
No content
Slide 36
Slide 36 text
MAPS VS HASHMAPS
MAPS VS HASHMAPS
Slide 37
Slide 37 text
No content
Slide 38
Slide 38 text
HIGHER ORDER FUNCTIONS
HIGHER ORDER FUNCTIONS
Slide 39
Slide 39 text
No content
Slide 40
Slide 40 text
No content
Slide 41
Slide 41 text
No content
Slide 42
Slide 42 text
No content
Slide 43
Slide 43 text
PERFORMANCE
DETECTION
PERFORMANCE
DETECTION
Slide 44
Slide 44 text
JSBENCH.ME
Slide 45
Slide 45 text
No content
Slide 46
Slide 46 text
CONSOLE.TIME 4 THE WIN
Slide 47
Slide 47 text
THE BUTTERFLY EFFECT:
HOW WE GAVE THE LINTER A 100X BOOST
THE BUTTERFLY EFFECT:
HOW WE GAVE THE LINTER A 100X BOOST
Slide 48
Slide 48 text
KNOW YOUR LOOPS
MUTATE WHEN EVER POSSIBLE
USE ARRAYS AND MAPS SMARTLY
AVOID HOF WHEN PERFORMANCE MATTERS
SKIP UNNECESSARY DATA
Slide 49
Slide 49 text
No content
Slide 50
Slide 50 text
MIROSLAV JONAŠ
MIROSLAV JONAŠ
THE OTHER JAVASCRIPT
PERFORMANCE
THANK YOU!
ViennaJS, 11/22
ViennaJS, 11/22
@meeroslav
@meeroslav