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Marc

I am a web performance consultant, dev-trainer and frontend architect. (he/him)

Location Kempten (Allgäu) Joined Joined on  Personal website https://marcradziwill.com github website twitter website

Work

Web Performance Consultant

Writing Debut
Five Year Club
Four Year Club
Three Year Club
Two Year Club
16 Week Writing Streak
8 Week Writing Streak
4 Week Writing Streak
One Year Club
❎❓Quiz: Web Performance #30

❎❓Quiz: Web Performance #30

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Comments
1 min read

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❎❓Quiz: Web Performance #29

❎❓Quiz: Web Performance #29

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1 min read
❎❓Quiz: Web Performance #28

❎❓Quiz: Web Performance #28

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❎❓Quiz: Web Performance #27

❎❓Quiz: Web Performance #27

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❎❓Quiz: Web Performance #26

❎❓Quiz: Web Performance #26

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❎❓Quiz: Web Performance #25

❎❓Quiz: Web Performance #25

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❎❓Quiz: Web Performance #24

❎❓Quiz: Web Performance #24

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❎❓Quiz: Web Performance #23

❎❓Quiz: Web Performance #23

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❎❓Quiz: Web Performance #22

❎❓Quiz: Web Performance #22

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❎❓Quiz: Web Performance #21

❎❓Quiz: Web Performance #21

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❎❓Quiz: Web Performance #20

❎❓Quiz: Web Performance #20

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❎❓Quiz: Web Performance #19

❎❓Quiz: Web Performance #19

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❎❓Quiz: Web Performance #18

❎❓Quiz: Web Performance #18

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❎❓Quiz: Web Performance #17

❎❓Quiz: Web Performance #17

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❎❓Quiz: Web Performance #16

❎❓Quiz: Web Performance #16

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❎❓Quiz: Web Performance #15

❎❓Quiz: Web Performance #15

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❎❓Quiz: Web Performance #14

❎❓Quiz: Web Performance #14

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❎❓Quiz: Web Performance #13

❎❓Quiz: Web Performance #13

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❎❓Quiz: Web Performance #12

❎❓Quiz: Web Performance #12

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❎❓Quiz: Web Performance #11

❎❓Quiz: Web Performance #11

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❎❓Quiz: Web Performance #10

❎❓Quiz: Web Performance #10

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❎❓Quiz: Web Performance #9

❎❓Quiz: Web Performance #9

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❎❓Quiz: Web Performance #8

❎❓Quiz: Web Performance #8

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❎❓Quiz: Web Performance #7

❎❓Quiz: Web Performance #7

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❎❓Quiz: Web Performance #6

❎❓Quiz: Web Performance #6

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❎❓Quiz: Web Performance #5

❎❓Quiz: Web Performance #5

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❎❓Quiz: Web Performance #4

❎❓Quiz: Web Performance #4

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❎❓Quiz: Web Performance #3

❎❓Quiz: Web Performance #3

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❎❓Quiz: Web Performance #2

❎❓Quiz: Web Performance #2

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❎❓Quiz: Web Performance #1

❎❓Quiz: Web Performance #1

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Introducing the Web Performance Quiz 🏆🏅🎖️

Introducing the Web Performance Quiz 🏆🏅🎖️

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Web performance RAIL model

Web performance RAIL model

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Native lazy-loading offscreen iframes

Native lazy-loading offscreen iframes

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3 min read
User-centric performance metrics - Lab vs. RUM

User-centric performance metrics - Lab vs. RUM

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3 min read
How can performance improve conversion?

How can performance improve conversion?

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4 min read
What is the best frequency for new blog posts?

What is the best frequency for new blog posts?

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1 min read
Manage third-party web performance

Manage third-party web performance

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6 min read
Milliseconds make millions

Milliseconds make millions

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4 min read
Chrome will highlight slow and fast user experience on mobile web 🚨

Chrome will highlight slow and fast user experience on mobile web 🚨

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3 min read
What tools do you use in your daily work?

What tools do you use in your daily work?

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1 min read
10 Web Performance quick wins 🚄 you can apply in under 5 minutes ⏲️

10 Web Performance quick wins 🚄 you can apply in under 5 minutes ⏲️

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

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

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5 min read
Why I migrated my website from GatsbyJs to Eleventy

Why I migrated my website from GatsbyJs to Eleventy

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The Business Value of Speed - A How-To Guide - Part 3: Optimizations for the Critical Rendering Path

The Business Value of Speed - A How-To Guide - Part 3: Optimizations for the Critical Rendering Path

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7 min read
How much time do you spend on education during the week?

How much time do you spend on education during the week?

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The Business 💰 Value of Speed 🏎 - A How-To Guide - Part 2: Metrics and mapping of Business Values

The Business 💰 Value of Speed 🏎 - A How-To Guide - Part 2: Metrics and mapping of Business Values

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8 min read
Have you ever attend a remote workshop? 👨‍💻👩‍💻

Have you ever attend a remote workshop? 👨‍💻👩‍💻

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1 min read
Svelte bind directive - A cheatsheet

Svelte bind directive - A cheatsheet

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You decide: ➡️ About what topic of web performance should my next blog post be ❓✍️

You decide: ➡️ About what topic of web performance should my next blog post be ❓✍️

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The Business 💰 Value of Speed 🏎 - A How-To Guide - Part 1: The Critical Rendering Path

The Business 💰 Value of Speed 🏎 - A How-To Guide - Part 1: The Critical Rendering Path

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12 min read
What was your last commit message?

What was your last commit message?

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Do you use your computer on your holidays?

Do you use your computer on your holidays?

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Web Performance Trends in 2020 you should keep an eye on

Web Performance Trends in 2020 you should keep an eye on

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Why you should care about Web Performance

Why you should care about Web Performance

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Can I use service workers for my website?

Can I use service workers for my website?

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12 min read
Mastering JavaScript high performance

Mastering JavaScript high performance

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11 min read
My web performance experiment - a speed field trial

My web performance experiment - a speed field trial

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How to use events in Svelte

How to use events in Svelte

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Why you should try Svelte!

Why you should try Svelte!

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8 min read
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