Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

The 12MB Web Page: A tale of perfect PageSpeed ...

Avatar for Ben Smithett Ben Smithett
May 09, 2016
Technology
360
1

The 12MB Web Page: A tale of perfect PageSpeed scores & developer happiness

Quick little talk I did at an Envato Code Party on May 9 2016.

Avatar for Ben Smithett

Ben Smithett

May 09, 2016

More Decks by Ben Smithett

See All by Ben Smithett
Atomic CSS with Fela
Avatar for Ben Smithett bensmithett
0
140
Objects in Space: A practical guide to CSS display, position & z-index
Avatar for Ben Smithett bensmithett
0
78
The UI is an Application
Avatar for Ben Smithett bensmithett
0
1.2k
Hands on with the modern front end stack
Avatar for Ben Smithett bensmithett
0
1.3k
The New Front End Stack: A really really really high level introduction
Avatar for Ben Smithett bensmithett
1
560
Smarter Sass/Less Builds with Webpack (MelbJS Edition)
Avatar for Ben Smithett bensmithett
0
360
Smarter Sass builds with Webpack
Avatar for Ben Smithett bensmithett
1
270
Faking Real Time: Optimistic Updates & Eventual Consistency (Decompress 2015)
Avatar for Ben Smithett bensmithett
0
520

Other Decks in Technology

See All in Technology
「事実」を「計測」して、「解釈」する 〜AWS Lambdaのメモリ最適解の見つけ方〜
Avatar for maimyyym maimyyym
0
120
AI駆動開発の時代になったのでトヨタ生産方式から見直す
Avatar for terurou terurou
6
5.5k
おそらく日本で唯一のDevRelインターン生として
Avatar for husensan husengs7
0
170
全PRの83%が AIレビューだけでマージできるようになった開発組織は その後どうなったか @2026/10
Avatar for a-thug athug
0
130
会社説明資料
Avatar for パーソル＆サーバーワークス株式会社 persolserverworks
0
9.6k
Kiro Crewをはじめよう
Avatar for t.kizawa kizawa2020
1
120
OpenSharing について熱く語る 〜AI アセットの共有について〜
Avatar for camay kameitomohiro
0
240
購入ドメインでの課題と取り組み
Avatar for ykagano ykagano
0
150
FactoryBotアンチパターン / factory_bot anti-patterns
Avatar for toshimaru toshimaru
0
140
OSC2026on_the-world-is-waiting-for-your-voice.pdf
Avatar for Naruhiko Ogasawara naruoga
0
360
AIがコードを書く時代に、エンジニアは何で自分の価値を証明するのか / In an era where AI writes code how do engineers prove their value
Avatar for CARTA Engineering carta_engineering
1
680
不可逆な意思決定を避けながら10億超の顧客データを AI Ready にするデータ基盤設計
Avatar for Yuichiro Yamashita baseballyama
1
240

Featured

See All Featured
Odyssey Design
Avatar for Ryan Kendrick rkendrick25
PRO
2
860
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
Avatar for Vitaly Friedman smashingmag
254
22k
世界の人気アプリ100個を分析して見えたペイウォール設計の心得
Avatar for Akihiro Kokubo akihiro_kokubo
PRO
74
42k
Principles of Awesome APIs and How to Build Them.
Avatar for Keavy McMinn keavy
128
18k
The SEO identity crisis: Don't let AI make you average
Avatar for Varn varn
0
580
Mobile First: as difficult as doing things right
Avatar for Swwweet swwweet
225
10k
Art, The Web, and Tiny UX
Avatar for Lynn Fisher lynnandtonic
304
22k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
Avatar for mongodb mongodb
50
10k
Building a Scalable Design System with Sketch
Avatar for Laura Van Doore lauravandoore
464
34k
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
Avatar for Umar Saidu Auna auna
0
320
The agentic SEO stack - context over prompts
Avatar for schlessera schlessera
0
970
Pawsitive SEO: Lessons from My Dog (and Many Mistakes) on Thriving as a Consultant in the Age of AI
Avatar for David Carrasco davidcarrasco
0
260

Transcript

  1. The 12MB Web Page A tale of perfect PageSpeed scores

    & developer happiness
  2. None
  3. None
  4. None

  5. A static HTML page + some photos Fast? Easy to

    build? Free?

  6. Fast?

  7. https://eev.ee/blog/2016/03/06/maybe-we-could-tone-down-the-javascript/

  8. http://idlewords.com/talks/website_obesity.htm

  9. Web pages are pretty fast by default! They only get

    slow when we add “clever” cruft

  10. on the other hand…

  11. Photos are biiiiiiiiiig!

  12. The challenge: Can I make a blazing fast, image- heavy

    web page without resorting to lots of hacks & workarounds

  13. How fast can a simple HTML document be?

  14. None
  15. None
  16. None
  17. None
  18. None

  19. Speed Index: 1613 In the fastest ~10% of all websites

  20. Optimisation #1 A truthful browser spinner

  21. https://medium.com/@kellycatchpole/10-best-dog-breeds-for-your- family-22ea2cdde78d Browser says page has finished loading LIES!!!!

  22. Don’t make the browser spinner lie. When the page says

    it’s done loading, it’s really done!

  23. Optimisation #2 Progressive JPEG

  24. None

  25. Optimisation #3 Responsive Images

  26. Widescreen + Retina: 11.1MB Tablet + Retina: 9.8MB Phone +

    Retina: 8.7MB Widescreen: 7.8MB Tablet: 6.5MB Phone: 1.7MB

  27. Optimisation #4 Font Face Observer

  28. None

  29. https://github.com/bramstein/fontfaceobserver

  30. None

  31. Optimisation #5 <script async src=“…”>

  32. Optimisation #6 Cache everything forever

  33. None

  34. Optimisation #7 Use a CDN

  35. None

  36. Notable absentees: • “Critical CSS” • Loading content asynchronously •

    Anything very tricky or hacky at all…

  37. Easy to build?

  38. I couuuld hand-write the HTML & CSS for this, but

    I want…

  39. • A living styleguide! • Sass! • Hot reloading! •

    Reusable components!

  40. The tooling: • React (no client side!) • Webpack +

    static-site-generator-webpack-plugin • Sass • CSS Modules

  41. React is a better back-end templating language than your favourite

    back-end templating language.
  42. None
  43. None

  44. Free?

  45. GitHub Pages + CloudFlare =

  46. GitHub Pages has pretty crappy caching settings…

  47. None

  48. But if you stick CloudFlare in front of it…

  49. Easy cache header setting!

  50. Free SSL! (well, “flexible SSL”)

  51. A static HTML page + some photos Fast Easy to

    build Free ✅ ✅ ✅