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Web Performance

All things speed and scalability on the web.

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Optimize your Front End Applications by migrating from Moment to Dayjs

Optimize your Front End Applications by migrating from Moment to Dayjs

Reactions 34 Comments 8
3 min read
Understanding Image formats on the Web

Understanding Image formats on the Web

Reactions 39 Comments 1
3 min read
Are you doing anything with "edge compute"?

Are you doing anything with "edge compute"?

Reactions 40 Comments 14
1 min read
Day 6 of⚡️ #30DaysOfWebPerf ⚡️: Self-hosted fonts

Day 6 of⚡️ #30DaysOfWebPerf ⚡️: Self-hosted fonts

Reactions 10 Comments
1 min read
Fail a PR based on any audit score with v1.1.0 of Web Performance Audits with Lighthouse Github Action

Fail a PR based on any audit score with v1.1.0 of Web Performance Audits with Lighthouse Github Action

Reactions 6 Comments
3 min read
Day 5 of⚡️ #30DaysOfWebPerf ⚡️: Your laptop is a filthy liar

Day 5 of⚡️ #30DaysOfWebPerf ⚡️: Your laptop is a filthy liar

Reactions 9 Comments 2
1 min read
Day 4 of⚡️ #30DaysOfWebPerf ⚡️: Webfonts

Day 4 of⚡️ #30DaysOfWebPerf ⚡️: Webfonts

Reactions 10 Comments 1
1 min read
Day 3 of⚡️ #30DaysOfWebPerf ⚡️: Network profile

Day 3 of⚡️ #30DaysOfWebPerf ⚡️: Network profile

Reactions 8 Comments
1 min read
Day 2 of⚡️ #30DaysOfWebPerf ⚡️: Why performance matters

Day 2 of⚡️ #30DaysOfWebPerf ⚡️: Why performance matters

Reactions 12 Comments
1 min read
Web Performance Audits with Lighthouse for Github Actions Released

Web Performance Audits with Lighthouse for Github Actions Released

Reactions 5 Comments
3 min read
Day 1 of⚡️ #30DaysOfWebPerf ⚡️: Lighthouse

Day 1 of⚡️ #30DaysOfWebPerf ⚡️: Lighthouse

Reactions 32 Comments
1 min read
How to practically use Performance API to measure performance

How to practically use Performance API to measure performance

Reactions 45 Comments
9 min read
Evitando problemas com Observables.

Evitando problemas com Observables.

Reactions 4 Comments
4 min read
Show me the money: Justifying performance improvements using Google Analytics

Show me the money: Justifying performance improvements using Google Analytics

Reactions 30 Comments 1
7 min read
Difference between Performance Testing and Performance Engineering.

Difference between Performance Testing and Performance Engineering.

Reactions 11 Comments
2 min read
Where do I start to optimize my images?

Where do I start to optimize my images?

Reactions 5 Comments
17 min read
15+ Cool Kits and Dashboards for 2021

15+ Cool Kits and Dashboards for 2021

Reactions 16 Comments 1
19 min read
Performance timing: wait for the next frame (when using the User Timing API)

Performance timing: wait for the next frame (when using the User Timing API)

Reactions 13 Comments
3 min read
SPA Tracking & Monitoring: How to Build Better Single-Page Applications Through RUM (Real User Monitoring)

SPA Tracking & Monitoring: How to Build Better Single-Page Applications Through RUM (Real User Monitoring)

Reactions 44 Comments
8 min read
First Contentful Paint (FCP), Start Render, First Paint. How to properly measure the beginning of page rendering?

First Contentful Paint (FCP), Start Render, First Paint. How to properly measure the beginning of page rendering?

Reactions 9 Comments 2
4 min read
Memory leaks and how to find them using Chrome Dev Tools

Memory leaks and how to find them using Chrome Dev Tools

Reactions 168 Comments 4
3 min read
10 Free Bootstrap Wizards

10 Free Bootstrap Wizards

Reactions 12 Comments
4 min read
Native lazy loading is landed in Chrome 🔥😍🔥

Native lazy loading is landed in Chrome 🔥😍🔥

Reactions 189 Comments 8
4 min read
14 Free Coming Soon Pages

14 Free Coming Soon Pages

Reactions 8 Comments
5 min read
27+ Free Dashboard Templates

27+ Free Dashboard Templates

Reactions 24 Comments 1
16 min read
10+ Free Responsive Angular 2 Admin Templates

10+ Free Responsive Angular 2 Admin Templates

Reactions 6 Comments
5 min read
We Love Speed 2019 on September 20 in Lille, France

We Love Speed 2019 on September 20 in Lille, France

Reactions 5 Comments
3 min read
Measuring Cumulative Layout Shift (CLS) in WebPageTest

Measuring Cumulative Layout Shift (CLS) in WebPageTest

Reactions 38 Comments 10
3 min read
Automate lighthouse audits for your Progressive Web Application

Automate lighthouse audits for your Progressive Web Application

Reactions 62 Comments 1
3 min read
Is Web Assembly the future?

Is Web Assembly the future?

Reactions 8 Comments 3
1 min read
Lazy loading images with vanilla JavaScript

Lazy loading images with vanilla JavaScript

Reactions 141 Comments 9
8 min read
Should this feature be added to Dev.to ?

Should this feature be added to Dev.to ?

Reactions 6 Comments 1
1 min read
Virtual Scrolling with Angular

Virtual Scrolling with Angular

Reactions 11 Comments 1
4 min read
Write faster JavaScript

Write faster JavaScript

Reactions 135 Comments 17
5 min read
Getting started with Web Performance

Getting started with Web Performance

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

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

Reactions 776 Comments 73
8 min read
Measuring Interactivity with TTI: Time To (consistently) Interactive

Measuring Interactivity with TTI: Time To (consistently) Interactive

Reactions 9 Comments
16 min read
Improve HTML and CSS performance

Improve HTML and CSS performance

Reactions 577 Comments 16
5 min read
OffscreenCanvas - Render your graphics off the main thread

OffscreenCanvas - Render your graphics off the main thread

Reactions 12 Comments
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 😄

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

Knock out your unused CSS

Reactions 125 Comments 3
8 min read
Image optimisation

Image optimisation

Reactions 201 Comments 11
10 min read
Web font optimisation

Web font optimisation

Reactions 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

Reactions 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

Reactions 39 Comments 3
6 min read
Optimising JavaScript

Optimising JavaScript

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

How to use Preload/Prefetch to boost load time

Reactions 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

Reactions 8 Comments
4 min read
Web performance for a Frontend developer

Web performance for a Frontend developer

Reactions 216 Comments 10
4 min read
Google Lighthouse custom audits tutorial

Google Lighthouse custom audits tutorial

Reactions 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?

Reactions 4 Comments
1 min read
When the browser can't take a (preconnect) hint

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

Reactions 13 Comments 3
4 min read
Lazy Loading, faster webpages, SEO friendly

Lazy Loading, faster webpages, SEO friendly

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

Optimizing My Stars – PHP Generated SVG vs Canvas

Reactions 5 Comments
3 min read
DOM performance case study

DOM performance case study

Reactions 136 Comments 16
9 min read
Variable Fonts on the Web

Variable Fonts on the Web

Reactions 96 Comments 10
4 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

Reactions 34 Comments
7 min read
Web Page Usability Matters

Web Page Usability Matters

Reactions 184 Comments 6
8 min read
State of the Web: Animated GIFs

State of the Web: Animated GIFs

Reactions 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

Reactions 115 Comments 7
4 min read
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