📢 Yup. That's right. I'm back with #100DaysOfPerf. I'll share more about this tomorrow, but let's have fun again. 👂🏾 🔊 🙃
#ecommerce #webperformance #sitespeed #webperf #perfmatters #corewebvitals #pagespeed
#ecommerce #webperformance #sitespeed #webperf #perfmatters #corewebvitals #pagespeed
March 4, 2025 at 1:08 AM
📢 Yup. That's right. I'm back with #100DaysOfPerf. I'll share more about this tomorrow, but let's have fun again. 👂🏾 🔊 🙃
#ecommerce #webperformance #sitespeed #webperf #perfmatters #corewebvitals #pagespeed
#ecommerce #webperformance #sitespeed #webperf #perfmatters #corewebvitals #pagespeed
You can now create and manage PHP, JS, CSS, and HTML code snippets from inside Perfmatters! We store and load code snippets using a flat-file method and directly integrate with all of our existing optimization options for the best performance. ⚡
See more here: perfmatters.io/docs/code-sn...
See more here: perfmatters.io/docs/code-sn...
November 20, 2025 at 6:44 PM
You can now create and manage PHP, JS, CSS, and HTML code snippets from inside Perfmatters! We store and load code snippets using a flat-file method and directly integrate with all of our existing optimization options for the best performance. ⚡
See more here: perfmatters.io/docs/code-sn...
See more here: perfmatters.io/docs/code-sn...
Version 2.3.6 of our Perfmatters plugin is live!
*New* local Google Font option to limit subsets. In our tests, we saw an 80% decrease in the font CSS size. 🔥
*New* local Google font option to change the print method (file or inline). (1/4)
*New* local Google Font option to limit subsets. In our tests, we saw an 80% decrease in the font CSS size. 🔥
*New* local Google font option to change the print method (file or inline). (1/4)
November 22, 2024 at 6:21 PM
Version 2.3.6 of our Perfmatters plugin is live!
*New* local Google Font option to limit subsets. In our tests, we saw an 80% decrease in the font CSS size. 🔥
*New* local Google font option to change the print method (file or inline). (1/4)
*New* local Google Font option to limit subsets. In our tests, we saw an 80% decrease in the font CSS size. 🔥
*New* local Google font option to change the print method (file or inline). (1/4)
Perfmatters hired an artist to sketch our speaker pictures, and then we got digital copies as well as stickers with them. That was super awesome!
The speaker dinner at perfnow is wonderful too.
The speaker dinner at perfnow is wonderful too.
December 16, 2024 at 7:36 PM
Perfmatters hired an artist to sketch our speaker pictures, and then we got digital copies as well as stickers with them. That was super awesome!
The speaker dinner at perfnow is wonderful too.
The speaker dinner at perfnow is wonderful too.
The Wes Bos video about the McMaster website performance *may* achieve 1M views by end of this week (currently at ~940k), if not by the 4th week. Just about web performance. Imagine that!
#ecommerce #webperformance #sitespeed #webperf #perfmatters #corewebvitals #pagespeed
#ecommerce #webperformance #sitespeed #webperf #perfmatters #corewebvitals #pagespeed
November 11, 2024 at 4:49 AM
The Wes Bos video about the McMaster website performance *may* achieve 1M views by end of this week (currently at ~940k), if not by the 4th week. Just about web performance. Imagine that!
#ecommerce #webperformance #sitespeed #webperf #perfmatters #corewebvitals #pagespeed
#ecommerce #webperformance #sitespeed #webperf #perfmatters #corewebvitals #pagespeed
Version 2.4.3 of our Perfmatters plugin is live!
*New* Speculative Loading options for sites running WordPress 6.8 or higher. You can change the mode and eagerness. ⚡
- We are deprecating Instant Page for anyone running WordPress 6.8 or higher. (1/2)
*New* Speculative Loading options for sites running WordPress 6.8 or higher. You can change the mode and eagerness. ⚡
- We are deprecating Instant Page for anyone running WordPress 6.8 or higher. (1/2)
April 15, 2025 at 10:44 PM
Version 2.4.3 of our Perfmatters plugin is live!
*New* Speculative Loading options for sites running WordPress 6.8 or higher. You can change the mode and eagerness. ⚡
- We are deprecating Instant Page for anyone running WordPress 6.8 or higher. (1/2)
*New* Speculative Loading options for sites running WordPress 6.8 or higher. You can change the mode and eagerness. ⚡
- We are deprecating Instant Page for anyone running WordPress 6.8 or higher. (1/2)
Version 2.4.6 of our Perfmatters plugin is live!
- *New* advanced preload option to enable Cloudflare Early Hints (BETA) for Perfmatters preloads, along with controls to limit which file types will have early hint link headers sent. (1/7)
- *New* advanced preload option to enable Cloudflare Early Hints (BETA) for Perfmatters preloads, along with controls to limit which file types will have early hint link headers sent. (1/7)
June 17, 2025 at 11:07 PM
Version 2.4.6 of our Perfmatters plugin is live!
- *New* advanced preload option to enable Cloudflare Early Hints (BETA) for Perfmatters preloads, along with controls to limit which file types will have early hint link headers sent. (1/7)
- *New* advanced preload option to enable Cloudflare Early Hints (BETA) for Perfmatters preloads, along with controls to limit which file types will have early hint link headers sent. (1/7)
Today Perfmatters became the most recent in-kind supporter of HeroPress! That means they let me use their awesome plugin. :) Super grateful. perfmatters.io
Perfmatters - The #1 Web Performance Plugin for WordPress
Slow WordPress sites have higher bounce rates and fewer conversions. The perfmatters plugin was created by web performance geeks to speed up your site!
perfmatters.io
March 30, 2026 at 10:32 PM
Today Perfmatters became the most recent in-kind supporter of HeroPress! That means they let me use their awesome plugin. :) Super grateful. perfmatters.io
Version 2.3.9 of our Perfmatters plugin is live!
- *New* perfmatters_preloads_array filter.
Gives you access to the preloads data array for use in custom integrations. 👨🔧
- *New* perfmatters_minify_threshold filter. (1/5)
- *New* perfmatters_preloads_array filter.
Gives you access to the preloads data array for use in custom integrations. 👨🔧
- *New* perfmatters_minify_threshold filter. (1/5)
February 7, 2025 at 3:36 AM
Version 2.3.9 of our Perfmatters plugin is live!
- *New* perfmatters_preloads_array filter.
Gives you access to the preloads data array for use in custom integrations. 👨🔧
- *New* perfmatters_minify_threshold filter. (1/5)
- *New* perfmatters_preloads_array filter.
Gives you access to the preloads data array for use in custom integrations. 👨🔧
- *New* perfmatters_minify_threshold filter. (1/5)
Speculative Loading is here for WordPress 6.8, and it will make your site be experienced a lot faster.
But, you may want to have more control over it, and you can: Perfmatters, as of version 2.4.3, now allows you to fine tune this.
Check it out: remk.us/perfmatters
But, you may want to have more control over it, and you can: Perfmatters, as of version 2.4.3, now allows you to fine tune this.
Check it out: remk.us/perfmatters
Perfmatters - The #1 Web Performance Plugin for WordPress
Slow WordPress sites have higher bounce rates and fewer conversions. The perfmatters plugin was created by web performance geeks to speed up your site!
perfmatters.io
May 22, 2025 at 11:15 AM
Speculative Loading is here for WordPress 6.8, and it will make your site be experienced a lot faster.
But, you may want to have more control over it, and you can: Perfmatters, as of version 2.4.3, now allows you to fine tune this.
Check it out: remk.us/perfmatters
But, you may want to have more control over it, and you can: Perfmatters, as of version 2.4.3, now allows you to fine tune this.
Check it out: remk.us/perfmatters
If anyone is off to Amsterdam tomorrow for Performance.now(), hopefully I see you there! #webperf #perfmatters
October 28, 2025 at 11:20 PM
If anyone is off to Amsterdam tomorrow for Performance.now(), hopefully I see you there! #webperf #perfmatters
Happy New Year!
Join us next Thursday, January 15, "Frameworks for humans in the age of machines" with Rich Harris - @rich-harris.dev
PLEASE update your RSVPs if you cannot attend!
RSVP: www.meetup.com/web-performa...
This is a joint event with @sveltesociety.dev NYC
#webperf #wpo #perfmatters
Join us next Thursday, January 15, "Frameworks for humans in the age of machines" with Rich Harris - @rich-harris.dev
PLEASE update your RSVPs if you cannot attend!
RSVP: www.meetup.com/web-performa...
This is a joint event with @sveltesociety.dev NYC
#webperf #wpo #perfmatters
Frameworks for humans in the age of machines - Rich Harris, Thu, Jan 15, 2026, 6:00 PM | Meetup
**Svelte** turns **10 this year** — an eon in web development. After so much time, and at a moment when engineers are increasingly outsourcing the work to agents, is there
www.meetup.com
January 8, 2026 at 3:13 PM
Happy New Year!
Join us next Thursday, January 15, "Frameworks for humans in the age of machines" with Rich Harris - @rich-harris.dev
PLEASE update your RSVPs if you cannot attend!
RSVP: www.meetup.com/web-performa...
This is a joint event with @sveltesociety.dev NYC
#webperf #wpo #perfmatters
Join us next Thursday, January 15, "Frameworks for humans in the age of machines" with Rich Harris - @rich-harris.dev
PLEASE update your RSVPs if you cannot attend!
RSVP: www.meetup.com/web-performa...
This is a joint event with @sveltesociety.dev NYC
#webperf #wpo #perfmatters
Version 2.6.7 of our Perfmatters plugin rolled out last week.
- Removed the Script Manager MU Mode dependency on pluggable.php to avoid conflicts with SMTP and other plugins that override core pluggable functions. This makes MU Mode a lot more reliable. 👍
- Removed the Script Manager MU Mode dependency on pluggable.php to avoid conflicts with SMTP and other plugins that override core pluggable functions. This makes MU Mode a lot more reliable. 👍
August 11, 2026 at 12:33 AM
Version 2.6.7 of our Perfmatters plugin rolled out last week.
- Removed the Script Manager MU Mode dependency on pluggable.php to avoid conflicts with SMTP and other plugins that override core pluggable functions. This makes MU Mode a lot more reliable. 👍
- Removed the Script Manager MU Mode dependency on pluggable.php to avoid conflicts with SMTP and other plugins that override core pluggable functions. This makes MU Mode a lot more reliable. 👍
New Blog post by me! Pre-compressing HTML to Brotli 11 using the #11ty build pipeline and serving via Cloudflare pages & a Cloudflare Worker #eleventy #webperf #perfmatters #cloudflare
nooshu.com/blog/2026/02...
nooshu.com/blog/2026/02...
Precompressed HTML at the Edge: Eleventy Meets Cloudflare Workers
In this post, I will show you how I integrate Brotli level 11 compression directly into my 11ty build process to squeeze every possible byte out of my blog’s HTML.
nooshu.com
February 23, 2026 at 9:02 AM
New Blog post by me! Pre-compressing HTML to Brotli 11 using the #11ty build pipeline and serving via Cloudflare pages & a Cloudflare Worker #eleventy #webperf #perfmatters #cloudflare
nooshu.com/blog/2026/02...
nooshu.com/blog/2026/02...
Version 2.5.1 of our Perfmatters plugin is live!
- Added a fetchpriority high attribute on critically preloaded image tags to match the preload link attribute. This resolves a PSI warning in certain instances. ⚡
- Added built-in stylesheet exclusion for the GeneratePress offside menu.
- Added a fetchpriority high attribute on critically preloaded image tags to match the preload link attribute. This resolves a PSI warning in certain instances. ⚡
- Added built-in stylesheet exclusion for the GeneratePress offside menu.
September 30, 2025 at 12:41 AM
Version 2.5.1 of our Perfmatters plugin is live!
- Added a fetchpriority high attribute on critically preloaded image tags to match the preload link attribute. This resolves a PSI warning in certain instances. ⚡
- Added built-in stylesheet exclusion for the GeneratePress offside menu.
- Added a fetchpriority high attribute on critically preloaded image tags to match the preload link attribute. This resolves a PSI warning in certain instances. ⚡
- Added built-in stylesheet exclusion for the GeneratePress offside menu.
Enjoyed this sitdown with WPLegends! We talk work-life balance, WordPress plugins, SEO landscape, and even Netflix recommendations. 😄
www.youtube.com/watch?v=URQ6...
www.youtube.com/watch?v=URQ6...
Brian Jackson on Perfmatters, Novashare & Growing ForgeMedia | Ep. 23
YouTube video by Seahawk Media
www.youtube.com
August 18, 2025 at 9:17 PM
Enjoyed this sitdown with WPLegends! We talk work-life balance, WordPress plugins, SEO landscape, and even Netflix recommendations. 😄
www.youtube.com/watch?v=URQ6...
www.youtube.com/watch?v=URQ6...
Perfmatters + Lazyload… 2.5.8v has added a lazyload exclude filter to exclude images from lazy loading that might be harder to access and manipulate directly.
perfmatters.io/docs/changel...
via WPWeekly_282 - Affiliate Disclosure
@brianleejackson.com
perfmatters.io/docs/changel...
via WPWeekly_282 - Affiliate Disclosure
@brianleejackson.com
Changelog - Perfmatters
2.5.9 – 02.27.2026 2.5.8 – 02.26.2026 2.5.7 – 02.02.2026 2.5.6 – 01.28.2026 2.5.5 – 12.11.2025 2.5.4 – 11.20.2025 2.5.3 – 11.19.2025 2.5.2 – 10.23.2025 2.5.1 – 09.29.2025 2.5.0 – 08.26.2025 2.4.9 – 08...
perfmatters.io
March 4, 2026 at 12:20 PM
Perfmatters + Lazyload… 2.5.8v has added a lazyload exclude filter to exclude images from lazy loading that might be harder to access and manipulate directly.
perfmatters.io/docs/changel...
via WPWeekly_282 - Affiliate Disclosure
@brianleejackson.com
perfmatters.io/docs/changel...
via WPWeekly_282 - Affiliate Disclosure
@brianleejackson.com
Version 2.3.7 of our Perfmatters plugin is live!
- Removed unnecessary documentWrite handling function from delay JS inline script to reduce the size by over 8%. ⚡
- Updated admin bar menu UI to show clear all used CSS everywhere, instead of just in the backend. (1/6)
- Removed unnecessary documentWrite handling function from delay JS inline script to reduce the size by over 8%. ⚡
- Updated admin bar menu UI to show clear all used CSS everywhere, instead of just in the backend. (1/6)
January 1, 2025 at 11:22 PM
Version 2.3.7 of our Perfmatters plugin is live!
- Removed unnecessary documentWrite handling function from delay JS inline script to reduce the size by over 8%. ⚡
- Updated admin bar menu UI to show clear all used CSS everywhere, instead of just in the backend. (1/6)
- Removed unnecessary documentWrite handling function from delay JS inline script to reduce the size by over 8%. ⚡
- Updated admin bar menu UI to show clear all used CSS everywhere, instead of just in the backend. (1/6)
I've got @brianleejackson.com to join us for a website performance AMA live on June 19th!
Submit your questions and register for the call here: theadminbar.com/events/websi...
Submit your questions and register for the call here: theadminbar.com/events/websi...
Website Performance AMA – The Admin Bar
Join us for a live website performance "Ask Me Anything" with Brian Jackson of Perfmatters!
theadminbar.com
May 7, 2025 at 12:34 PM
I've got @brianleejackson.com to join us for a website performance AMA live on June 19th!
Submit your questions and register for the call here: theadminbar.com/events/websi...
Submit your questions and register for the call here: theadminbar.com/events/websi...
Version 2.5.0 of our Perfmatters plugin is live!
A quick update for the WP-CLI folks. 😄
- *New* WP-CLI subcommands: clear-minified-js, clear-minified-css, and clear-local-fonts. 👨💻
- Added support for targeting header element when using parent selector matching functions. (1/3)
A quick update for the WP-CLI folks. 😄
- *New* WP-CLI subcommands: clear-minified-js, clear-minified-css, and clear-local-fonts. 👨💻
- Added support for targeting header element when using parent selector matching functions. (1/3)
August 27, 2025 at 4:50 AM
Version 2.5.0 of our Perfmatters plugin is live!
A quick update for the WP-CLI folks. 😄
- *New* WP-CLI subcommands: clear-minified-js, clear-minified-css, and clear-local-fonts. 👨💻
- Added support for targeting header element when using parent selector matching functions. (1/3)
A quick update for the WP-CLI folks. 😄
- *New* WP-CLI subcommands: clear-minified-js, clear-minified-css, and clear-local-fonts. 👨💻
- Added support for targeting header element when using parent selector matching functions. (1/3)
It's no secret I love working with GeneratePress clients! It's the solution I've used to build all of our sites since 2017. ❤️⚡
Here are some tips on using both Perfmatters + GeneratePress together.
Thanks @zant.com for putting this together! 👏
generatepress.com/using-perfma...
Here are some tips on using both Perfmatters + GeneratePress together.
Thanks @zant.com for putting this together! 👏
generatepress.com/using-perfma...
Using Perfmatters and GeneratePress Together for Lightning-Fast WordPress Sites - GeneratePress
GeneratePress and Perfmatters make a perfect pairing for site owners looking for optimized performance. Here's how to get the most out of both tools for blazingly fast WordPress sites.
generatepress.com
May 5, 2025 at 11:57 PM
It's no secret I love working with GeneratePress clients! It's the solution I've used to build all of our sites since 2017. ❤️⚡
Here are some tips on using both Perfmatters + GeneratePress together.
Thanks @zant.com for putting this together! 👏
generatepress.com/using-perfma...
Here are some tips on using both Perfmatters + GeneratePress together.
Thanks @zant.com for putting this together! 👏
generatepress.com/using-perfma...
Feldera turned a 30min Rust build into 2min by breaking a monolith into tiny packages. Smart hashing makes it shine. 🚀 #rust #perfmatters #engineering https://www.feldera.com/blog/cutting-down-rust-compile-times-from-30-to-2-minutes-with-one-thousand-crates
Cutting Down Rust Compile Times With One Thousand Crates
Comments
www.feldera.com
April 17, 2025 at 12:29 PM
Feldera turned a 30min Rust build into 2min by breaking a monolith into tiny packages. Smart hashing makes it shine. 🚀 #rust #perfmatters #engineering https://www.feldera.com/blog/cutting-down-rust-compile-times-from-30-to-2-minutes-with-one-thousand-crates
On February 26th, we're doing a deep dive into why we built a performance-first code snippet manager into Perfmatters and how you can take full advantage of it on your WordPress sites! ⚡
Shout-out to @theadminbar.com for putting this together.
theadminbar.com/events/code-...
Shout-out to @theadminbar.com for putting this together.
theadminbar.com/events/code-...
Code Snippets Are Slowing Down Your Website - The Admin Bar
Why Perfmatters Built a Performance-First Snippet Manager
theadminbar.com
January 22, 2026 at 9:14 PM
On February 26th, we're doing a deep dive into why we built a performance-first code snippet manager into Perfmatters and how you can take full advantage of it on your WordPress sites! ⚡
Shout-out to @theadminbar.com for putting this together.
theadminbar.com/events/code-...
Shout-out to @theadminbar.com for putting this together.
theadminbar.com/events/code-...
Quantifying user frustration with respect to web performance: blog.akamai-mpulse.com/blog/2024-11... new post on the mPulse blog. #perfmatters #webperf #rum
The Upcoming mPulse Tool You Should Learn (and Love) to Transform Your Website User Experiences - Akamai mPulse Developer Blog
An introduction to the Frustration Index
blog.akamai-mpulse.com
November 15, 2024 at 8:41 PM
Quantifying user frustration with respect to web performance: blog.akamai-mpulse.com/blog/2024-11... new post on the mPulse blog. #perfmatters #webperf #rum
My latest post on the Performance Advent Calendar is now live: calendar.perfplanet.com/2024/when-us...
This one talks about the elephant in the rüm of user interactions.
#perfmatters #webperf #rum #ux #cwv #inp
This one talks about the elephant in the rüm of user interactions.
#perfmatters #webperf #rum #ux #cwv #inp
When users interact
When looking at the Core Web Vitals, we often try optimizing each independently of the others, but that's not how users experience the web. A user's web experience is made up of many metrics, and it'...
calendar.perfplanet.com
December 16, 2024 at 5:22 PM
My latest post on the Performance Advent Calendar is now live: calendar.perfplanet.com/2024/when-us...
This one talks about the elephant in the rüm of user interactions.
#perfmatters #webperf #rum #ux #cwv #inp
This one talks about the elephant in the rüm of user interactions.
#perfmatters #webperf #rum #ux #cwv #inp