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
Responsive in the Wild
Search
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
Mark Zeman
June 25, 2014
Programming
3.8k
1
Share
Responsive in the Wild
Deck from Velocity 2014 Lightning Demo.
Mark Zeman
June 25, 2014
More Decks by Mark Zeman
See All by Mark Zeman
Speed Matters
zeman
7
78k
Other Decks in Programming
See All in Programming
t *testing.T は どこからやってくるの?
otakakot
1
660
実用!Hono RPC2026
yodaka
2
230
一度始めたらやめられない開発効率向上術 / Findy あなたのdotfilesを教えて!
k0kubun
4
3k
2026_04_15_量子計算をパズルとして解く
hideakitakechi
0
110
How Swift's Type System Guides AI Agents
koher
0
270
AI時代のエンジニアリングの原則 / Engineering Principles in the AI Era
haru860
0
350
瑠璃の宝石に学ぶ技術の声の聴き方 / 【劇場版】アニメから得た学びを発表会2026 #エンジニアニメ
mazrean
0
260
「Linuxサーバー構築標準教科書」を読んでみた #ツナギメオフライン.7
akase244
0
1.4k
Coding as Prompting Since 2025
ragingwind
0
840
Running Swift without an OS
kishikawakatsumi
0
840
レガシーPHP転生 〜父がドメインエキスパートだったのでDDD+Claude Codeでチート開発します〜
panda_program
0
980
The Monolith Strikes Back: Why AI Agents ❤️ Rails Monoliths
serradura
0
340
Featured
See All Featured
Jess Joyce - The Pitfalls of Following Frameworks
techseoconnect
PRO
1
140
Reality Check: Gamification 10 Years Later
codingconduct
0
2.1k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
46
2.8k
A Modern Web Designer's Workflow
chriscoyier
698
190k
Applied NLP in the Age of Generative AI
inesmontani
PRO
4
2.2k
A designer walks into a library…
pauljervisheath
211
24k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.7k
svc-hook: hooking system calls on ARM64 by binary rewriting
retrage
2
210
Bash Introduction
62gerente
615
210k
Agile Actions for Facilitating Distributed Teams - ADO2019
mkilby
0
180
It's Worth the Effort
3n
188
29k
SEOcharity - Dark patterns in SEO and UX: How to avoid them and build a more ethical web
sarafernandez
0
170
Transcript
Responsive in the wild
Many techniques Picturefill Inline CSS & JS Conditional loading WebP
RESS 14k Srcset
250 Responsive websites
17 Viewport widths 1024 1366 320 1920 360 400 480
560 640 768 864 960 1152 1280 1483 1600 1760
449 316 320 1920 IMG JS CSS FONT HTML KB
KB PX PX PX 1024
1024 1366 2217 KB 1861 KB 18% 320 1920
None
38% FLATLINE
1024 1366 320 1920 IMG JS CSS 3530 3530
3530k 3530k
38% 55% IMAGES
1024 1366 1020 587 43% 768 320 1920 IMG JS
CSS FONT Size
1024 2021 51 grolsch.co.uk 320 1920 IMG JS
768 1280 2160 1254 rue21.com 320 1920 IMG JS FONT
768 1280 1770 637 newzealand.com 320 1920 IMG JS
=!
864 1959 3395 engadget.com 320 1920 IMG JS
5% Conditional CSS
1024 254 32 barackobama.com 320 1920 IMG JS CSS
11% Conditional JS
1024 280 156 famm.org 320 1920 IMG JS CSS
1024 38 14 320 1920 IMG JS CSS HTML 34
15 Requests 5 5 5 5
Mobile is nearing 50%
yet there’s minimal responsive optimisation!
None
1024 1599 768 mediatemple.net 320 1920 IMG JS FONT
speedcurve.com/blog @MarkZeman FRONT-END PERFORMANCE MONITORING
[email protected]