Javier Casares
System Administrator at ROBOTSTXT.es
@javiercasares Barcelona, Spain joined Apr 2012
Teams
Hosting
Languages
ca
es_ES
Bio
Interests
WordPress Origin Story
Badges
CODE
6 badges
Core Contributor
'20
C
Core Performance Contributor
'22
Hosting Contributor
'19
Hosting Team
'20
Plugin Developer
CONTENT
4 badges
Documentation Contributor
'22
Documentation Team
'23
Photo Contributor
'23
WordPress.tv Contributor
'24
COMMUNITY
4 badges
Community Contributor
'22
Meetup Organizer
'18
WordCamp Organizer
'19
WordCamp Speaker
'19
PRACTICE
1 badge
Training Contributor
'22
POLYGLOTS
2 badges
Translation Contributor
'15
Translation Editor
'22
Current Job
System Administrator
May 2022 –
Present
ROBOTSTXT.es
System Administration, Performance and Managed hosting for WordPress.
Job History
WooCommerce Manager
Sep 2017 – Feb 2018
MAM Originals
Organizing the Digital Department at MAM Originals. WordPress and WooCommerce. SysAdmin, security and scalability.
Founder
Dec 2012 – Mar 2018
Artesans
The most important WordPress agency in Barcelona.
Key Accomplishments
WordPress Barcelona Meetup Organizer (2013-01 / 2020-04)
WordPress Gramenet Meetup Organizer (2018-03 / 2020-05)
WPdanger (2017-07 / 2020-11) WordPress Danger is a tool for analyzing the security of your WordPress website. It also offers extensive documentation on how to improve your site’s security.
WPNoticias (2020-02 / 2022-01) WordPress Noticias is a weekly newsletter featuring a roundup of news from the WordPress community.
WPRadio (2020-09 / 2023-08). WordPress Radio is a weekly podcast in which we’ll review the most interesting news from the WordPress world and discuss a topic related to the WordPress community.
WPpodcast (since 2020-07). The WordPress Podcast is a weekly podcast featuring news from the WordPress community. Catch up on WordPress in less than 10 minutes a week!
WordPress Hosting Team Rep (2021-03 / 2025-01). The Hosting Team works to improve the WordPress user experience across hosting environments through user collaboration and education.
Recent impact
Score weights high-impact work (commits, releases, approved translations, props) at 3x routine activity.
Last 30 days
3contributions
high2
medium1
score7
Last 90 days
8contributions
high2
medium6
score12
Last 12 months
32contributions
high6
medium26
score44
Team focus
Across 1 team, with no team-attributable contributions in the last 365 days
WordPress releases
Contributed to 11 releases
- 7.0
- 6.9
- 6.8
- 6.6
- 6.5
- 6.3
- 6.2
- 6.1
- 5.9
- 5.5
- 5.4
Time commitment
1 hour per week of sponsored contribution time
Contributions
Type
May 2026
May 29
Fri · 02:04
Polyglots
high
Translated 2 strings on translate.wordpress.org.
May 28
Thu · 05:29
Polyglots
med
Suggested 4 strings on translate.wordpress.org.
May 27
Wed · 19:16
Polyglots
high
Translated 599 strings on translate.wordpress.org.
April 2026
Apr 14
Tue · 10:43
Forums
med
Posted a reply to [WPVulnerability] Incorrect warnings / out of date plugin database??, on the site WordPress.org Forums:
This is going to be fixed in the next few days. We just updated the…
This is going to be fixed in the next few days. We just updated the…
Apr 14
Tue · 10:42
Forums
med
Posted a reply to [WPVulnerability] Yoast warning <26.8?, on the site WordPress.org Forums:
We are adding a lot of new vulnerabilities and this should be fixed.
We are adding a lot of new vulnerabilities and this should be fixed.
Apr 14
Tue · 10:42
Forums
med
Posted a reply to [WPVulnerability] Persistent “It may no longer be available (closed?)” message, on the site WordPress.org Forums:
This is going to be fixed in the next few days. We just updated the…
This is going to be fixed in the next few days. We just updated the…
Apr 06
Mon · 07:17
Forums
med
Posted a reply to False Positives on Site Health page with Debian servers, on the site WordPress.org Forums:
Hello. The main problem is that there is no way to detect and match patch…
Hello. The main problem is that there is no way to detect and match patch…
Apr 04
Sat · 06:27
med
Wrote a comment on the post Community Summit alongside a flagship event for 2027 or 2028, on the site Make WordPress Community:
After my participation in 2023, if it's in Europe, I'd love to be on the…
After my participation in 2023, if it's in Europe, I'd love to be on the…
February 2026
Feb 18
Wed · 00:20
Core
high
Mentioned in [61669] on WordPress SVN:
HTTP API: Remove 1024 bit certificates from bundled root certificates.
HTTP API: Remove 1024 bit certificates from bundled root certificates.
January 2026
Jan 31
Sat · 05:47
med
Wrote a comment on the post Should 1024-bit certificates be removed from the root certificate bundle?, on the site Make WordPress Hosting:
This situation feels very similar to how WordPress has historically handled old PHP versions. When…
This situation feels very similar to how WordPress has historically handled old PHP versions. When…
No contributions in this category yet.
Developer
4 plugins-
Animal Shelter
Less than 10 active installs -
noindex SEO
3,000+ active installs -
Reply-To for WP_Mail
100+ active installs -
WPVulnerability
10,000+ active installs
Contributor
1 plugin-
MariaDB Health Checks
100+ active installs
Plugins
250 favoritesThemes
9 favoritesTranslations
20 locales
es_ES
Español (Spanish)
Translation Contributor
Contributed translations to 41 projects.
WordPress for iOS
Openverse
WordPress Plugin Directory
WordCamp.org
WordPress.org
wp20.wordpress.net
ActivityPub
amateur tv
Enhanced Responsive Images
Block List Updater
Contact Coldform
Image Placeholders
Embed Optimizer
Fetchpriority
WP OPcache
GatherPress
Health Check & Troubleshooting
IdeaPush
Image Prioritizer
MariaDB Health Checks
Minimal Analytics
noindex SEO
OpenID Connect Server
Optimization Detective
Performance Lab
Performant Translations
Reply-To for WP_Mail
SQLite Database Integration
SQLite Object Cache
Test Reports
Two Factor
Modern Image Formats
What's going on
WordPress Beta Tester
Plugin Dependencies
Perfect Images: Regenerate Thumbnails, Image Sizes, WebP & AVIF
WPSustainable
WPVulnerability
Stacks
Twenty Twenty-Four
WordPress 7.0.x - Development
ca
Català (Catalan)
Plugins Translation Editor
Translation Contributor
Translation editor for 1 project.
Contributed translations to 5 projects.
arg
Aragonés (Aragonese)
Translation Contributor
ar
العربية (Arabic)
Translation Contributor
art_xemoji
🌏🌍🌎 (Emoji) (Emoji)
Translation Contributor
ast
Asturianu (Asturian)
Translation Contributor
de_DE
Deutsch (German)
Translation Contributor
es_CL
Español de Chile (Spanish)
Translation Contributor
eu
Euskara (Basque)
Translation Contributor
fr_FR
Français (French)
Translation Contributor
gl_ES
Galego (Galician)
Translation Contributor
hi_IN
हिन्दी (Hindi)
Translation Contributor
id_ID
Bahasa Indonesia (Indonesian)
Translation Contributor
it_IT
Italiano (Italian)
Translation Contributor
ja
日本語 (Japanese)
Translation Contributor
pl_PL
Polski (Polish)
Translation Contributor
ru_RU
Русский (Russian)
Translation Contributor
sw
Kiswahili (Swahili)
Translation Contributor
ur
اردو (Urdu)
Translation Contributor
zh_TW
繁體中文 (Chinese)
Translation Contributor