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Web Performance

All things speed and scalability on the web.

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Image optimisation

Image optimisation

202
Comments 11
10 min read
Web font optimisation

Web font optimisation

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

Image Optimization: Understanding the Exact Impact on Google’s Performance Score to Rank Higher

14
Comments
6 min read
Digital music and selfies: the legacy of Jean-Baptiste Joseph Fourier

Digital music and selfies: the legacy of Jean-Baptiste Joseph Fourier

39
Comments 3
6 min read
Optimising JavaScript

Optimising JavaScript

100
Comments 1
6 min read
How to use Preload/Prefetch to boost load time

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

How We Created a Multi-site Setup for a Vehicle Marketplace: Part 2

8
Comments
4 min read
Google Lighthouse custom audits tutorial

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
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?

Website speed testing – Are you doing it right?

15
Comments 1
8 min read
DOM performance case study

DOM performance case study

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

Optimizing images on autopilot with Uploadcare (to improve page load speed)

10
Comments
6 min read
Variable Fonts on the Web

Variable Fonts on the Web

96
Comments 10
4 min read
Bulldohzer 🚜 DNS & DoH performance testing

Bulldohzer 🚜 DNS & DoH performance testing

6
Comments
2 min read
How Smart Crop can help you deliver perfect responsive images on each device

How Smart Crop can help you deliver perfect responsive images on each device

34
Comments
7 min read
Web Page Usability Matters

Web Page Usability Matters

185
Comments 7
8 min read
State of the Web: Animated GIFs

State of the Web: Animated GIFs

5
Comments
5 min read
Accelerate your website with Nginx as a reverse proxy cache

Accelerate your website with Nginx as a reverse proxy cache

119
Comments 7
4 min read
We reduced our vendor.js from 210kb to 16kb in about five minutes of work and ten lines of code

We reduced our vendor.js from 210kb to 16kb in about five minutes of work and ten lines of code

304
Comments 29
2 min read
Wielding the power of web transparency

Wielding the power of web transparency

15
Comments 1
9 min read
Speed up next-page navigations with prefetching

Speed up next-page navigations with prefetching

189
Comments 9
4 min read
Lazy Loading Images - The Complete Guide

Lazy Loading Images - The Complete Guide

225
Comments 5
16 min read
Addy Osmani's 18-Point Web Performance Checklist

Addy Osmani's 18-Point Web Performance Checklist

369
Comments 9
1 min read
Front End Development Automation. Part 4

Front End Development Automation. Part 4

54
Comments
5 min read
[Video] Using ML to improve performance with predictive fetching

[Video] Using ML to improve performance with predictive fetching

9
Comments
1 min read
[Video] The State of HTTP Headers with Andrew Betts

[Video] The State of HTTP Headers with Andrew Betts

12
Comments
1 min read
A step by step guide to monitoring the competition with the Chrome UX Report

A step by step guide to monitoring the competition with the Chrome UX Report

106
Comments 35
8 min read
8 new CDN edge locations

8 new CDN edge locations

17
Comments 3
3 min read
One hosts file to block them all

One hosts file to block them all

52
Comments 12
5 min read
Why Web Performance Optimization matters and What You can do

Why Web Performance Optimization matters and What You can do

13
Comments
5 min read
Web cache server HTTP/2 performance benchmark: nuster vs nginx

Web cache server HTTP/2 performance benchmark: nuster vs nginx

13
Comments 14
3 min read
[Dogfooding] How Dareboost has benefited from Custom Timings

[Dogfooding] How Dareboost has benefited from Custom Timings

8
Comments
4 min read
How to improve web performance By using(Preload, Preconnect, Prefetch)

How to improve web performance By using(Preload, Preconnect, Prefetch)

72
Comments 3
2 min read
State of the Web: Top Image Optimization Strategies

State of the Web: Top Image Optimization Strategies

25
Comments 2
7 min read
I Have Beef With Accelerated Mobile Pages

I Have Beef With Accelerated Mobile Pages

129
Comments 21
2 min read
How to Improve Web performance🤘🤘🚩🔜

How to Improve Web performance🤘🤘🚩🔜

47
Comments
2 min read
Service Workers at Cloudflare

Service Workers at Cloudflare

43
Comments 8
2 min read
Back to static with JAMStack: a paradigm shift for better UX and web performance

Back to static with JAMStack: a paradigm shift for better UX and web performance

104
Comments 6
10 min read
The hidden components of Web Caching

The hidden components of Web Caching

14
Comments
7 min read
Gzip a file in Ruby

Gzip a file in Ruby

20
Comments 2
4 min read
So your boutique dev shop needs to handle Super Bowl ad traffic?

So your boutique dev shop needs to handle Super Bowl ad traffic?

36
Comments 2
3 min read
Web Performance Fundamentals: what is the Speed Index?

Web Performance Fundamentals: what is the Speed Index?

36
Comments
7 min read
SVG-based image lazyloading as a matter of enjoyable UX

SVG-based image lazyloading as a matter of enjoyable UX

53
Comments 5
6 min read
Safari now supports Service Workers: What this means (to me at least)

Safari now supports Service Workers: What this means (to me at least)

75
Comments 8
3 min read
next.js at Chotot

next.js at Chotot

26
Comments
7 min read
Optimize your MP4 video for better performance

Optimize your MP4 video for better performance

28
Comments 1
7 min read
Defer scripts to speed up rendering

Defer scripts to speed up rendering

30
Comments 2
8 min read
Optimize Images to Reduce Page Weight: File Formats, Tools and RWD

Optimize Images to Reduce Page Weight: File Formats, Tools and RWD

29
Comments 9
10 min read
Safari's implementation of srcset is buggy, rendering the whole feature basically useless

Safari's implementation of srcset is buggy, rendering the whole feature basically useless

29
Comments 9
2 min read
Ensure secured connections with HSTS (HTTP Strict Transport Security)

Ensure secured connections with HSTS (HTTP Strict Transport Security)

22
Comments
5 min read
Pursuing Speed, Pt. 3

Pursuing Speed, Pt. 3

2
Comments
5 min read
🚀 Introducing Lozad.js: Performant & light lazy loading library

🚀 Introducing Lozad.js: Performant & light lazy loading library

22
Comments
2 min read
Steps to mitigate 503 errors on dev.to

Steps to mitigate 503 errors on dev.to

51
Comments 3
2 min read
React Reconciliation Rendering Order

React Reconciliation Rendering Order

6
Comments
4 min read
Improving Google PageSpeed Score

Improving Google PageSpeed Score

10
Comments
4 min read
Web Performance with Android's Battery-Saver Mode - A Review

Web Performance with Android's Battery-Saver Mode - A Review

3
Comments
5 min read
What it Takes to Render a Complex Web App in Milliseconds

What it Takes to Render a Complex Web App in Milliseconds

271
Comments 21
4 min read
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