Stefan Judis

DevRel at Contentful. In love with web performance, new technologies, and accessibility – all the good stuff ✌️.

Berlin Joined on May 7, 2018 https://www.stefanjudis.com

Work

Developer Relations

Checkly

117 posts published

16 comments written

10 tags followed

Stefan Judis for Checkly

Feb 15

Using Playwright to Monitor Third-Party Resources That Could Impact User Experience

#playwright #javascript #performance

9 min read

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Stefan Judis for Checkly

Feb 1

Playwright Tips From the Checkly Community

#javascript #playwright #testing

8 min read

Stefan Judis

Sep 23 '22

TIL — Why Custom properties don't work with the url() CSS function

#css

3 min read

Stefan Judis

Feb 8 '22

New in JavaScript: reportError – a method to report to global event handlers

#javascript

3 min read

Stefan Judis

Jan 14 '22

How to override your dependency's dependencies

#node

2 min read

Stefan Judis

Oct 15 '21

Conditional border-radius and three future CSS features

#css

4 min read

Stefan Judis for Contentful

Sep 9 '21

Community updates, default values and new webhooks

#contentful

4 min read

Stefan Judis

Aug 9 '21

Can we have custom media queries, please?

#css

1 min read

Stefan Judis

Aug 2 '21

🧢 Stefan's Web Weekly #30

#webdev

7 min read

Stefan Judis

Aug 2 '21

User preference feature queries have a boolean context

#css

2 min read

Stefan Judis for Contentful

Jul 19 '21

GraphQL resources, new App Framework features and Algolia search implementations

#contentful

3 min read

Stefan Judis

Jul 11 '21

🧢 Stefan's Web Weekly #27

#webdev

7 min read

Stefan Judis

Jul 10 '21

How to run copied CLI commands with a leading "$" sign

#webdev #development #bash

3 min read

Stefan Judis

Jul 5 '21

How to visualize the tab order without using an extension in Firefox

#webdev #a11y

2 min read

Stefan Judis

Jul 5 '21

Stefan's Web Weekly #26

#webdev

6 min read

Stefan Judis for Contentful

Jun 14 '21

Contentful-powered Twitterbots, a Blazor code starter, Rich Text tricks and new feature releases

#contentful

4 min read

Stefan Judis

Jun 14 '21

🧢 Stefan's Web Weekly #23

#webdev

7 min read

Stefan Judis

Jun 8 '21

🧢 Stefan's Web Weekly #22

#webdev

7 min read

Stefan Judis

May 31 '21

🧢 Stefan's Web Weekly #21

#webdev

8 min read

Stefan Judis

May 24 '21

🧢 Stefan's Web Weekly #20

#webdev

7 min read

Stefan Judis for Contentful

May 18 '21

Contentful Developer newsletter: Rich Text rendering, a new Next.js course and tags for GraphQL

#contentful

4 min read

Stefan Judis

May 16 '21

🧢 Stefan's Web Weekly #19

#webdev

7 min read

Stefan Judis

May 16 '21

How to import JSON files in ES modules (Node.js)

#node

2 min read

Stefan Judis

May 14 '21

How to define Open Graph / Twitter image alt text (and why it might not matter...)

#webdev #a11y

4 min read

Stefan Judis

May 10 '21

🧢 Stefan's Web Weekly #18

#webdev

7 min read

Stefan Judis

May 2 '21

🧢 Stefan's Web Weekly #17

#webdev

6 min read

Stefan Judis

May 2 '21

Should DevTools teach the CSS cascade?

#css

5 min read

Stefan Judis

Apr 26 '21

🧢 Stefan's Web Weekly #16

#webdev

6 min read

Stefan Judis for Contentful

Apr 19 '21

Contentful Developer newsletter: New apps, API endpoints and Next.js

#contentful

4 min read

Stefan Judis

Apr 18 '21

🧢 Stefan's Web Weekly #15

#webdev

7 min read

Stefan Judis

Apr 12 '21

🧢 Stefan's Web Weekly #14

#webdev

7 min read

Stefan Judis

Apr 5 '21

🧢 Stefan's Web Weekly #13

#webdev

7 min read

Stefan Judis

Apr 5 '21

TIL – Top-level await is available in Node.js modules

#javascript #node

2 min read

Stefan Judis

Mar 30 '21

🧢 Stefan's Web Weekly #12

#webdev

6 min read

Stefan Judis

Mar 20 '21

🧢 Stefan's Web Weekly #11

#webdev

6 min read

Stefan Judis for Contentful

Mar 15 '21

Contentful developer newsletter: The state of headless CMS and community resources

#contentful #webdev

6 min read

Stefan Judis

Mar 15 '21

🧢 Stefan's Web Weekly #10

#webdev

6 min read

Stefan Judis

Mar 14 '21

TIL: CSS defines functions to repeat gradients

#webdev #css

1 min read

Stefan Judis

Mar 8 '21

🧢 Stefan's Web Weekly #9

#webdev

6 min read

Stefan Judis

Mar 4 '21

Why I don't need to clean up my desktop and downloads folder in macOS

#productivity

3 min read

Stefan Judis

Feb 28 '21

🧢 Stefan's Web Weekly #8

#webdev

6 min read

Stefan Judis

Feb 21 '21

🧢 Stefan's Web Weekly #7

#webdev

7 min read

Stefan Judis

Feb 14 '21

🧢 Stefan's Web Weekly #6

#webdev

6 min read

Stefan Judis

Feb 14 '21

How to use and feature-detect CSS grid masonry layout

#css #webdev

5 min read

Stefan Judis for Contentful

Feb 12 '21

Contentful's Developer Newsletter: A new platform to share content models and guide to microblogging without the stress

#contentful #webdev

7 min read

Stefan Judis

Feb 7 '21

🧢 Stefan's Web Weekly #5

#webdev

6 min read

Stefan Judis

Feb 1 '21

🧢 Stefan's Web Weekly #4

#webdev

5 min read

Stefan Judis

Jan 25 '21

A React "if component"

#javascript #react

1 min read

Stefan Judis

Jan 25 '21

🧢 Stefan's Web Weekly #3

#webdev

5 min read

Stefan Judis

Jan 17 '21

🧢 Stefan's Web Weekly #2

#webdev #html

5 min read

Stefan Judis for Contentful

Jan 13 '21

January Developer newsletter: New features, lots of live-coding and learning TypeScript

#contentful #webdev

6 min read

Stefan Judis

Jan 2 '21

A picture element to load correctly resized webp images in HTML

#webdev

4 min read

Stefan Judis

Dec 28 '20

TIL – How to refresh a page in an interval (without JavaScript)

#html #webdev

2 min read

Stefan Judis

Dec 22 '20

Order in CSS transformation – transform functions vs individual transforms

#css #webdev

3 min read

Stefan Judis for Contentful

Dec 9 '20

Developer newsletter: New features, community events and code reviews

#webdev #contentful

5 min read

Stefan Judis

Dec 6 '20

TIL – addEventListener accepts functions and (!) objects

#javascript

2 min read

Stefan Judis for Contentful

Dec 4 '20

Three new Contentful GraphQL features to make your life easier

#webdev #contentful #graphql

4 min read

Stefan Judis

Dec 3 '20

November in WebDev – Stefan's monthly digest

#webdev

4 min read

Stefan Judis for Contentful

Nov 12 '20

The Contentful developer newsletter: The Fast Forward recordings are up!

#contentful

6 min read

Stefan Judis

Oct 19 '20

Say goodbye to resource-caching across sites and domains

#webdev

3 min read

Checkly

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