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
Preact & Inferno
Search
Brian Holt
January 05, 2017
Programming
5
1.8k
Preact & Inferno
Given for SFJS
Brian Holt
January 05, 2017
Tweet
Share
More Decks by Brian Holt
See All by Brian Holt
Human React
btholt
3
980
10 KB or Bust
btholt
0
400
10KB or Bust: The Delicate Power of Webpack and Babel
btholt
2
500
JS Next
btholt
10
1.5k
ES20XX
btholt
1
170
What's Coming After ES6
btholt
2
580
DPL Graduation, October 2016
btholt
1
170
Teaching with Empathy
btholt
5
940
ES6 + React
btholt
3
910
Other Decks in Programming
See All in Programming
すべてのコンテキストを、 ユーザー価値に変える
applism118
3
1.3k
AIと”コードの評価関数”を共有する / Share the "code evaluation function" with AI
euglena1215
1
170
新メンバーも今日から大活躍!SREが支えるスケールし続ける組織のオンボーディング
honmarkhunt
5
7.4k
Agentic Coding: The Future of Software Development with Agents
mitsuhiko
0
100
5つのアンチパターンから学ぶLT設計
narihara
1
170
Node-RED を(HTTP で)つなげる MCP サーバーを作ってみた
highu
0
120
GitHub Copilot and GitHub Codespaces Hands-on
ymd65536
2
150
チームのテスト力を総合的に鍛えて品質、スピード、レジリエンスを共立させる/Testing approach that improves quality, speed, and resilience
goyoki
5
880
The Modern View Layer Rails Deserves: A Vision For 2025 And Beyond @ RailsConf 2025, Philadelphia, PA
marcoroth
1
150
10 Costly Database Performance Mistakes (And How To Fix Them)
andyatkinson
0
340
High-Level Programming Languages in AI Era -Human Thought and Mind-
hayat01sh1da
PRO
0
780
Startups on Rails in Past, Present and Future–Irina Nazarova, RailsConf 2025
irinanazarova
0
110
Featured
See All Featured
Balancing Empowerment & Direction
lara
1
430
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
507
140k
Rails Girls Zürich Keynote
gr2m
95
14k
StorybookのUI Testing Handbookを読んだ
zakiyama
30
5.9k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.7k
Why Our Code Smells
bkeepers
PRO
336
57k
A Modern Web Designer's Workflow
chriscoyier
695
190k
Testing 201, or: Great Expectations
jmmastey
43
7.6k
Designing Experiences People Love
moore
142
24k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
107
19k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
6
300
Embracing the Ebb and Flow
colly
86
4.7k
Transcript
B R I A N H O LT – @
H O LT B T – N E T F L I X
None
W H AT ’ S C O O L A
B O U T R E A C T • Components • One way data flow • Shareable components • Predictable location of logic • Performance, most of the time
W H AT ’ S N O T C O
O L A B O U T R E A C T • File size • Performance, sometimes
None
W H Y Y O U M AY U S
E P R E A C T O R I N F E R N O • File size • Performance, sometimes • lol
F I L E S I Z E • Production
build, minified, gzipped • Preact: 3KB • Inferno: 9KB • React (15.4 w/ react-dom): 45KB • Vue: 23KB • Angular (2, without RX): 112KB • Ember (2.2): 111KB
P E R F UI benchmark suite (lower is better)
Taken from infernojs.org
C O M PAT • preact-compat (+5KB) and inferno-compat (+4KB)
• Literally drop in replacement for React and React-DOM
D E M O
None
A L I A S • YOU DON’T EVEN HAVE
TO REFACTOR YOUR CODE • (bottom section nho.lt/react)
W H Y Y O U M AY N O
T WA N T T O U S E P R E A C T O R I N F E R N O • Facebook • Community • Fiber • Sometimes not totally drop in due to dependencies • Almost all the big deps work though, like react-redux and react-router
W H AT P R E A C T /
I N F E R N O L A C K • Mixins • React.createClass • Refs • Synthetic Events (Inferno does some)
P R E A C T V S I N
F E R N O • Preact has a smaller file size • Inferno performs better
H O W M U C H T I M
E Y O U S AV E O N 2 G • Download time for our apps • Preact (6.2KB): ½ second • Inferno (12.2KB): 1 second • React (45.3KB): 4 seconds
O T H E R F R A M E
W O R K S O N 2 G • Just the framework: • Vue (23KB): 2 seconds • Angular (112KB): 9 seconds • Ember (111KB): 9 seconds
@holtbt