Marc

Marc @marcradziwill

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

Location:
Kempten (Allgäu)
Joined:
Feb 18, 2019

Marc
articles - 59 total

❎❓Quiz: Web Performance #30

Caching is essential for web performance. How much do you know about it? What does max-age in the HT...

Learn More 1 0Nov 30 '20

❎❓Quiz: Web Performance #29

Quiz time! Today it's about fonts. What does font-display mean? Tells the developer which font he...

Learn More 0 0Nov 30 '20

❎❓Quiz: Web Performance #28

How many pages include at least one third-party script? 93.59% 81.53% 52.49% 16.41% A...

Learn More 3 0Nov 30 '20

❎❓Quiz: Web Performance #27

Check out the web performance question of the day! What is the Critical Rendering Path? A critical...

Learn More 2 0Nov 27 '20

❎❓Quiz: Web Performance #26

Quiz time! Today it's about CSS. What is critical CSS? CSS that is deprecated. CSS that is unused....

Learn More 3 0Nov 26 '20

❎❓Quiz: Web Performance #25

Quiz time, folks! What is code-splitting? Splitting the codebase into smaller parts that are load...

Learn More 2 0Nov 26 '20

❎❓Quiz: Web Performance #24

Quiz time! Read what's to question of the day. What is the module/nomodule pattern? A web performa...

Learn More 4 0Nov 24 '20

❎❓Quiz: Web Performance #23

What are modern web image formats? WebP & AVIF PicWeb & JPD AVIP & PNA TIF & RAP...

Learn More 4 0Nov 23 '20

❎❓Quiz: Web Performance #22

Do you know Brotli? An HTML tag for Breadcrumbs. A compression algorithm. A well-known web performa...

Learn More 2 2Nov 23 '20

❎❓Quiz: Web Performance #21

What is a performance budget? The amount of money a team can spend on optimizations. A performance...

Learn More 2 0Nov 23 '20

❎❓Quiz: Web Performance #20

Response time is an important topic. What is the maximum response time you should aim for the comple...

Learn More 1 0Nov 20 '20

❎❓Quiz: Web Performance #19

Why are 16ms for each task, not the single truth? What time in ms should you aim for animations in t...

Learn More 1 0Nov 19 '20

❎❓Quiz: Web Performance #18

Quiz question of the day. Today it's about frames and milliseconds. To render 60 frames every 1000ms...

Learn More 1 0Nov 18 '20

❎❓Quiz: Web Performance #17

Quiz time: What is the TTFB? Time to First Bit Time to First Byte Time to First Base64 Time to Firs...

Learn More 1 0Nov 17 '20

❎❓Quiz: Web Performance #16

What is RUM? Performance measurement method with data from the lab. Performance measurement method...

Learn More 2 0Nov 16 '20

❎❓Quiz: Web Performance #15

There are two main testing ways. Do you know them? What is synthetic testing? Performance measurem...

Learn More 1 0Nov 16 '20

❎❓Quiz: Web Performance #14

Quiz time: Do you know what CLS measures? A web performance measurement method. Measures layout shi...

Learn More 1 0Nov 16 '20

❎❓Quiz: Web Performance #13

Quiz time: What is the Total Blocking Time? The time between First Contentful Paint and Time to Int...

Learn More 4 0Nov 13 '20

❎❓Quiz: Web Performance #12

What is the Time to Interactive? The time the browser renders the head section of the website. The...

Learn More 2 0Nov 12 '20

❎❓Quiz: Web Performance #11

How confident are you with your knowledge of performance metrics? Do you know the LCP? What is the L...

Learn More 1 0Nov 11 '20

❎❓Quiz: Web Performance #10

How confident are you with your knowledge of performance metrics? What is the First Contentful Paint...

Learn More 2 0Nov 10 '20

❎❓Quiz: Web Performance #9

Do you know the Core Web Vitals? Check out the quiz question of the web performance quiz today. What...

Learn More 2 0Nov 9 '20

❎❓Quiz: Web Performance #8

The PRPL pattern describes: ... A pattern describing the following steps: push, Render, Pre-cache,...

Learn More 3 0Nov 9 '20

❎❓Quiz: Web Performance #7

What is perceived performance? Describes the social circumstances the user visiting your site has....

Learn More 1 1Nov 9 '20

❎❓Quiz: Web Performance #6

As often, abbreviations are also used in Web Performance. What does the abbreviation WPO stand for?...

Learn More 1 0Nov 6 '20

❎❓Quiz: Web Performance #5

What means "instant" to the user? Check out the quiz challenge for today. In which range, does the u...

Learn More 1 0Nov 6 '20

❎❓Quiz: Web Performance #4

Web Performance correlates with other topics. What is the answer to the question today? User experi...

Learn More 2 0Nov 6 '20

❎❓Quiz: Web Performance #3

Quiz time! How much faster should your site, in general, be compared to your fastest competitor? 40...

Learn More 1 0Nov 6 '20

❎❓Quiz: Web Performance #2

Did you have the correct result yesterday? Check out the question today: What does web performance s...

Learn More 1 0Nov 6 '20

❎❓Quiz: Web Performance #1

Today we start the web performance quiz with a simple but important question. Who is solely responsi...

Learn More 5 2Nov 6 '20