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Web Performance

All things speed and scalability on the web.

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Getting started with Web Performance
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Getting started with Web Performance

20
Comments
11 min read
Javascript Array.push is 945x faster than Array.concat 🤯🤔
Cover image for Javascript Array.push is 945x faster than Array.concat 🤯🤔

Javascript Array.push is 945x faster than Array.concat 🤯🤔

791
Comments 72
8 min read
Measuring Interactivity with TTI: Time To (consistently) Interactive
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Measuring Interactivity with TTI: Time To (consistently) Interactive

9
Comments
16 min read
Improve HTML and CSS performance
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Improve HTML and CSS performance

577
Comments 16
5 min read
If you enable "lazy loading" in chrome://flags, your DEV browsing experience will be moderately more efficient 😄

If you enable "lazy loading" in chrome://flags, your DEV browsing experience will be moderately more efficient 😄

67
Comments 11
1 min read
Knock out your unused CSS
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Knock out your unused CSS

125
Comments 3
8 min read
OffscreenCanvas - Render your graphics off the main thread

OffscreenCanvas - Render your graphics off the main thread

12
Comments
5 min read
Image optimisation
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Image optimisation

202
Comments 11
10 min read
Web font optimisation
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Web font optimisation

103
Comments 3
6 min read
Image Optimization: Understanding the Exact Impact on Google’s Performance Score to Rank Higher
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Image Optimization: Understanding the Exact Impact on Google’s Performance Score to Rank Higher

14
Comments
6 min read
Optimising JavaScript
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Optimising JavaScript

100
Comments 1
6 min read
Digital music and selfies: the legacy of Jean-Baptiste Joseph Fourier
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Digital music and selfies: the legacy of Jean-Baptiste Joseph Fourier

39
Comments 3
6 min read
How to use Preload/Prefetch to boost load time
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How to use Preload/Prefetch to boost load time

36
Comments
4 min read
How We Created a Multi-site Setup for a Vehicle Marketplace: Part 2
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How We Created a Multi-site Setup for a Vehicle Marketplace: Part 2

8
Comments
4 min read
Google Lighthouse custom audits tutorial
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Google Lighthouse custom audits tutorial

14
Comments
7 min read
Should I finish loading lazy images while the browser is idle?

Should I finish loading lazy images while the browser is idle?

4
Comments
1 min read
Stop copying your process.env.NODE_ENV to local variables! 🤯
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Stop copying your process.env.NODE_ENV to local variables! 🤯

7
Comments 2
2 min read
Add file extensions to your dynamic imports to reduce size
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Add file extensions to your dynamic imports to reduce size

6
Comments 2
1 min read
When the browser can't take a (preconnect) hint

When the browser can't take a (preconnect) hint

15
Comments 3
4 min read
Lazy Loading, faster webpages, SEO friendly

Lazy Loading, faster webpages, SEO friendly

59
Comments
8 min read
Optimizing My Stars – PHP Generated SVG vs Canvas

Optimizing My Stars – PHP Generated SVG vs Canvas

5
Comments
3 min read
Website speed testing – Are you doing it right?
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Website speed testing – Are you doing it right?

15
Comments 1
8 min read
DOM performance case study
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DOM performance case study

136
Comments 15
9 min read
Optimizing images on autopilot with Uploadcare (to improve page load speed)
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Optimizing images on autopilot with Uploadcare (to improve page load speed)

10
Comments
6 min read
Variable Fonts on the Web
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Variable Fonts on the Web

96
Comments 10
4 min read
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