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Web Performance

All things speed and scalability on the web.

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Into The Blog-lands

Into The Blog-lands

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1 min read
Loading web pages fast on a $20 feature phone

Loading web pages fast on a $20 feature phone

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15 min read
Estimating user's GPU performance capabilities

Estimating user's GPU performance capabilities

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1 min read
Load testing mistakes; how not to save passwords; and Go's best practices

Load testing mistakes; how not to save passwords; and Go's best practices

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2 min read
Day 26 of⚡️ #30DaysOfWebPerf ⚡️: Tasks

Day 26 of⚡️ #30DaysOfWebPerf ⚡️: Tasks

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1 min read
Differential Serving で必要なコードは2割以上削れる!

Differential Serving で必要なコードは2割以上削れる!

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2 min read
Day 25 of⚡️ #30DaysOfWebPerf ⚡️: Jank

Day 25 of⚡️ #30DaysOfWebPerf ⚡️: Jank

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1 min read
Day 24 of⚡️ #30DaysOfWebPerf ⚡️: Timing APIs

Day 24 of⚡️ #30DaysOfWebPerf ⚡️: Timing APIs

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1 min read
Day 23 of⚡️ #30DaysOfWebPerf ⚡️: Culture of Performance

Day 23 of⚡️ #30DaysOfWebPerf ⚡️: Culture of Performance

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1 min read
How to convince your client to focus on Web Performance: a case study

How to convince your client to focus on Web Performance: a case study

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6 min read
Day 22 of⚡️ #30DaysOfWebPerf ⚡️: Bundle analyzers

Day 22 of⚡️ #30DaysOfWebPerf ⚡️: Bundle analyzers

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1 min read
Day 21 of⚡️ #30DaysOfWebPerf ⚡️: Third-party scripts

Day 21 of⚡️ #30DaysOfWebPerf ⚡️: Third-party scripts

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1 min read
Server Side Rendering: Why We Have Gone Full Circle

Server Side Rendering: Why We Have Gone Full Circle

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8 min read
Day 20 of⚡️ #30DaysOfWebPerf ⚡️: Remote Debugging

Day 20 of⚡️ #30DaysOfWebPerf ⚡️: Remote Debugging

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1 min read
Day 19 of⚡️ #30DaysOfWebPerf ⚡️: Frameworks

Day 19 of⚡️ #30DaysOfWebPerf ⚡️: Frameworks

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1 min read
Day 18 of⚡️ #30DaysOfWebPerf ⚡️: Better dependencies

Day 18 of⚡️ #30DaysOfWebPerf ⚡️: Better dependencies

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1 min read
Day 17 of⚡️ #30DaysOfWebPerf ⚡️: Coverage tool

Day 17 of⚡️ #30DaysOfWebPerf ⚡️: Coverage tool

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1 min read
Adaptive Loading - Improving Web Performance on low-end devices

Adaptive Loading - Improving Web Performance on low-end devices

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3 min read
How I made WordPress Faster with 1KB JavaScript

How I made WordPress Faster with 1KB JavaScript

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2 min read
Day 16 of⚡️ #30DaysOfWebPerf ⚡️: Image CLI tools

Day 16 of⚡️ #30DaysOfWebPerf ⚡️: Image CLI tools

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1 min read
Day 15 of⚡️ #30DaysOfWebPerf ⚡️: Metrics

Day 15 of⚡️ #30DaysOfWebPerf ⚡️: Metrics

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1 min read
What frustrates you the most about web performance?

What frustrates you the most about web performance?

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1 min read
Day 13 of⚡️ #30DaysOfWebPerf ⚡️: HTTP/2

Day 13 of⚡️ #30DaysOfWebPerf ⚡️: HTTP/2

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1 min read
Search Console Speed Report: everything you need to know

Search Console Speed Report: everything you need to know

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10 min read
Building a JAMstack e-commerce website

Building a JAMstack e-commerce website

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13 min read
20 Gorgeous Sites Built with Twitter Bootstrap

20 Gorgeous Sites Built with Twitter Bootstrap

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5 min read
Optimize your Front End Applications by migrating from Moment to Dayjs

Optimize your Front End Applications by migrating from Moment to Dayjs

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3 min read
Understanding Image formats on the Web

Understanding Image formats on the Web

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3 min read
Are you doing anything with "edge compute"?

Are you doing anything with "edge compute"?

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

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

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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

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1 min read
Day 4 of⚡️ #30DaysOfWebPerf ⚡️: Webfonts

Day 4 of⚡️ #30DaysOfWebPerf ⚡️: Webfonts

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

Day 3 of⚡️ #30DaysOfWebPerf ⚡️: Network profile

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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

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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

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9 min read
Evitando problemas com Observables.

Evitando problemas com Observables.

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

Show me the money: Justifying performance improvements using Google Analytics

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7 min read
Difference between Performance Testing and Performance Engineering.

Difference between Performance Testing and Performance Engineering.

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

Where do I start to optimize my images?

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17 min read
15+ Cool Kits and Dashboards for 2021

15+ Cool Kits and Dashboards for 2021

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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 43 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

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3 min read
10 Free Bootstrap Wizards

10 Free Bootstrap Wizards

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

Native lazy loading is landed in Chrome 🔥😍🔥

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4 min read
14 Free Coming Soon Pages

14 Free Coming Soon Pages

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5 min read
27+ Free Dashboard Templates

27+ Free Dashboard Templates

Reactions 17 Comments 1
16 min read
10+ Free Responsive Angular 2 Admin Templates

10+ Free Responsive Angular 2 Admin Templates

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

We Love Speed 2019 on September 20 in Lille, France

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

Measuring Cumulative Layout Shift (CLS) in WebPageTest

Reactions 38 Comments 9
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 133 Comments 6
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

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5 min read
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