Felix Arntz (@flixos90) – WordPress user profile

Member Since: November 28th, 2012
Location: San Francisco, USA
Website: felix-arntz.me
GitHub: felixarntz
Job Title: Developer Relations Engineer
Employer: Google
Find me on:

Bio

Developer Relations Engineer at Google. WordPress Core Committer. Previously Yoast. Runner, musician, movie geek. Aprendiendo español. Fueled by Mountain Dew.

Interests

Music Production. Movies. Brostep. WWE. Cocktails. Soccer. Running.

WordPress Origin Story

September 2012: Started working with WordPress
November 2012: Signed up for wordpress.org
March 2013: Published his first plugin on wordpress.org
October 2014: Reviewed a WordPress book
November 2014: Started working with WordPress multisite
June 2015: Attended his first WordCamp (WCEU in Sevilla)
June 2015: Did his first contribution to WordPress core
October 2015: Became co-organizer of the WordPress meetup Cologne
February 2016: Started contributing to WordPress core regularly
May 2016: Became a component maintainer of Multisite
May 2016: Gave his first session at a WordCamp
September 2016: Became co-organizer of the WordPress meetup Dusseldorf
October 2016: Co-organized WordCamp Cologne
November 2016: Became a WordPress core committer
June 2017: Attended his first WordPress community summit
August 2017: Became a component maintainer of Roles/Capabilities
February 2018: Gave a session at LoopConf
April 2018: Started working part-time at Yoast
April 2018: Became a component maintainer of REST API
November 2018: Started as DPE in the Web Content Ecosystems team at Google

Contributions Sponsored

Felix Arntz contributes 5 hours per week to the Core team.

Contribution History

Core Contributor
Core Team
Documentation Contributor
Meta Contributor
Plugin Developer
Translation Contributor
Translation Editor
WordCamp Organizer
WordCamp Speaker

Activity
Plugins
Favorites
Translations

Wrote a new post, The performance impact of using jQuery in WordPress themes, on the site Make WordPress Themes:
While it has been widely known that you might not need jQuery for most of…

2 days ago
Wrote a comment on the post Implementing a Webfonts API in WordPress Core, on the site Make WordPress Core:
Follow-up question on the 3P API web fonts: I assume these web font CSS URLs…

1 week ago
Committed [2605825] to Plugins Trac:
tagged version 1.42.0

1 week ago
Committed [2605824] to Plugins Trac:
updated to version 1.42.0.

1 week ago
Created a new ticket, #54172, in Core Trac:
Replace frontend jQuery usage with vanilla JS in Twenty Fifteen

2 weeks ago
Created a new ticket, #54171, in Core Trac:
Replace frontend jQuery usage with vanilla JS in Twenty Twelve

2 weeks ago
Committed [2591045] to Plugins Trac:
tagged version 1.40.0

1 month ago
Committed [2591044] to Plugins Trac:
updated to version 1.40.0.

1 month ago
Committed [2583697] to Plugins Trac:
tagged version 1.39.0

2 months ago
Committed [2583695] to Plugins Trac:
updated to version 1.39.0.

2 months ago
Committed [2581697] to Plugins Trac:
tagged version 1.38.1

2 months ago
Committed [2581696] to Plugins Trac:
updated to version 1.38.1.

2 months ago
Committed [2576790] to Plugins Trac:
tagged version 1.38.0

2 months ago
Committed [2576789] to Plugins Trac:
updated to version 1.38.0.

2 months ago
Posted a reply to Error: Failed to construct ‘URL’: Invalid URL, on the site WordPress.org Forums:
@westonruter Are there any odd-looking URL values in your Analytics top pages when checking your…

2 months ago
Wrote a comment on the post Refining WordPress core’s lazy-loading implementation, on the site Make WordPress Core:
I think you may be looking for this one?

3 months ago
Wrote a comment on the post Refining WordPress core’s lazy-loading implementation, on the site Make WordPress Core:
That's precisely what I had in mind and what I used in the prototype plugin…

3 months ago
Wrote a comment on the post Refining WordPress core’s lazy-loading implementation, on the site Make WordPress Core:
Good point, I agree we should make sure `get_custom_logo()` isn't lazy-loaded either, at least the…

3 months ago
Wrote a new post, Refining WordPress core’s lazy-loading implementation, on the site Make WordPress Core:
Since the image lazy-loading feature was originally added to WordPress core in 5.5, by default…

3 months ago
Created a new ticket, #53675, in Core Trac:
Omit lazy-loading attribute on first content image/iframe

3 months ago
Committed [51207] to Core Trac:
Media: Add lazy-loading support to block-based widgets. This ...

4 months ago
Reopened ticket #52783, in Core Trac:
Health Check mis-reports https functionality in certain situations

6 months ago
Posted a reply to Prevent from logging in (even log in blocking is disabled), on the site WordPress.org Forums:
Thanks for the feedback, and apologies for the long delay here. This has been a…

6 months ago
Posted a reply to Cache Plugin Problems, on the site WordPress.org Forums:
Hello there, and thanks for the request. The plugin submits a nonce in the wp_gdpr_cookie_notice_nonce…

6 months ago
Posted a reply to Probleme beim WordPress Admin Login In, on the site WordPress.org Forums:
Hallo, danke für das Feedback, und sorry für die späte Antwort. Benutzt die Website AMP?…

6 months ago
Posted a reply to visible and bugged on the login page, on the site WordPress.org Forums:
Thanks for the report! This was a known issue which I have just fixed (see…

6 months ago
Posted a reply to AMP Legacy Personalization, on the site WordPress.org Forums:
@milindmore22 Apologies for the delay. I just added support in the plugin (https://github.com/felixarntz/wp-gdpr-cookie-notice/issues/14) and will…

6 months ago
Closed ticket #20037, in Core Trac:
Introduce 'noindex' filter for robots meta tag

8 months ago
Wrote a new post, Improved HTTPS detection and migration in WordPress 5.7, on the site Make WordPress Core:
WordPress 5.7 will feature a number of enhancements which simplify the migration of a site…

8 months ago
Closed ticket #52542, in Core Trac:
HTTPS local html detection RSD check is protocol specific

8 months ago
Committed [50391] to Core Trac:
Security: Fix bug in `wp_is_local_html_output()`. Prior to this ...

8 months ago
Wrote a new post, Lazy-loading iframes in 5.7, on the site Make WordPress Core:
In WordPress 5.7, iframes will be lazy-loaded by default, using the browser-level loading attribute. This…

8 months ago
Closed ticket #51511, in Core Trac:
Introduce Robots API and Media Search Engine Visibility setting

8 months ago
Wrote a comment on the post Enhancing image preview: core proposal, on the site Make WordPress Core:
As to the other two parts of the proposal, I’m opposed to those. That API…

1 year ago
Posted a reply to Plugin causing redirect login loop, on the site WordPress.org Forums:
Hi @jlott33, thanks for flagging this problem. I've noticed this on my end too occasionally.…

1 year ago
Posted a reply to Status of Bootstrap for Contact Form 7?, on the site WordPress.org Forums:
Thank you for reminding me of what's long overdue @hommealone! I've opened a thread: https://wordpress.org/support/topic/request-for-maintenance/

1 year ago
Created a topic, Request for maintenance, on the site WordPress.org Forums:
First of all, thank you for using this plugin! If you…

1 year ago
Posted a reply to Images are squished in 5.5, on the site WordPress.org Forums:
You can follow along the Trac ticket where this issue has been reported too. It…

1 year ago
Wrote a new post, Lazy-loading images in 5.5, on the site Make WordPress Core:
In WordPress 5.5, images will be lazy-loaded by default, using the native HTML loading attribute…

1 year ago
Wrote a new post, Lazy-Loading Update, on the site Make WordPress Core:
Since lazy-loading images via the native loading attribute was proposed for addition to WordPress core,…

2 years ago
Posted a reply to Only works on chrome, on the site WordPress.org Forums:
@mddsharp It is, but note that it only makes sense for you if parts of…

2 years ago
Wrote a new post, Lazy-Loading Images in WordPress Core, on the site Make WordPress Core:
Lazy-loading images has been a commonly used mechanism to significantly improve pageload performance for several…

2 years ago
Posted a reply to Room for Improvement – Specify Dimensions, suggested by JavaScript Console, on the site WordPress.org Forums:
Hi, this message appears because that image likely doesn’t have width and height attributes specified.…

2 years ago
Posted a reply to Images not loading, on the site WordPress.org Forums:
Hi, thanks for the report. Which browser, and which version of it are you using?…

2 years ago
Posted a reply to Site images does not show, on the site WordPress.org Forums:
Thanks for the report. Can you provide me with some more context? Which browser, and…

2 years ago
Posted a reply to Gravity Forms AJax Iframe 404, on the site WordPress.org Forums:
Thanks for the report. I will have a look at this soon to see whether…

2 years ago
Posted a reply to PageSpeeds insight reports slower load, on the site WordPress.org Forums:
Hi, there might be multiple reasons for this. First of all, I'm not entirely sure…

2 years ago
Posted a reply to Stopped images loading, on the site WordPress.org Forums:
Sorry for the late reply, I'm happy to help and figure out the issue. Can…

2 years ago
Posted a reply to ‘Intervention’ message in Lighthouse audit, on the site WordPress.org Forums:
Hi, this message appears because that image likely doesn't have width and height attributes specified.…

2 years ago
Posted a reply to if the plugin works?, on the site WordPress.org Forums:
Hi, the way that Chrome uses lazy-loading with the loading attribute depends on various factors,…

2 years ago