Philip Tellis
@bluesmoon.info
Creator: boomerang.js ∘ Founder: LogNormal ∘ Organizer: Boston Web Perf & CAJUN ∘ Web Performance ∘ Real User Measurement ∘ Data Nerd ∘ Bread Baker ∘ Akamai ∘ W3C WebPerf WG ∘ Julia dev ∘ Conference speaker ∘ Full stack pancakes ∘ Unstacked developer
@infrequently.org I can't seem to reply to your post, but yes it does, but my remote is also private like yours.
Yeah, but I also push habitually. Does it affect remotes?
November 13, 2025 at 1:29 AM
@infrequently.org I can't seem to reply to your post, but yes it does, but my remote is also private like yours.
The only problem I have with Google's personal information in search results alerts is that the majority of my alerts are for my email address showing up in man pages and source code comments in every major linux distro over the last 20 years. It's a good service otherwise.
November 12, 2025 at 2:18 PM
The only problem I have with Google's personal information in search results alerts is that the majority of my alerts are for my email address showing up in man pages and source code comments in every major linux distro over the last 20 years. It's a good service otherwise.
Reposted by Philip Tellis
6 years ago I started a side project to build a web accessibility tool that prioritises simple reporting and quick feedback loops so that teams can fix a11y regressions before they affect users.
I am so proud to say that side project is now finished, and A11y Pulse is live.
www.a11ypulse.com
I am so proud to say that side project is now finished, and A11y Pulse is live.
www.a11ypulse.com
A11y Pulse
A11y Pulse: Automated accessibility testing for your website. Improve your site's accessibility and compliance with ease.
www.a11ypulse.com
November 7, 2025 at 10:22 PM
6 years ago I started a side project to build a web accessibility tool that prioritises simple reporting and quick feedback loops so that teams can fix a11y regressions before they affect users.
I am so proud to say that side project is now finished, and A11y Pulse is live.
www.a11ypulse.com
I am so proud to say that side project is now finished, and A11y Pulse is live.
www.a11ypulse.com
Duolingo keeps getting worse. They've now made it impossible to get out of the ads. You're forced to actually download something from an ad or you have to force quit duolingo and lose any progress.
November 5, 2025 at 7:17 PM
Duolingo keeps getting worse. They've now made it impossible to get out of the ads. You're forced to actually download something from an ad or you have to force quit duolingo and lose any progress.
Reposted by Philip Tellis
✨ Real User Monitoring (#RUM) & The Modern Browser ✨
@bluesmoon.info shares his thoughts on the browser's evolution and its impact on building BOOMERANG. In ~100 seconds, you can listen to his answer, taken from our complete ✨ SPDY STREAM 014 ✨ episode. Link below.
🎥 youtu.be/yoazDXRhlJU
@bluesmoon.info shares his thoughts on the browser's evolution and its impact on building BOOMERANG. In ~100 seconds, you can listen to his answer, taken from our complete ✨ SPDY STREAM 014 ✨ episode. Link below.
🎥 youtu.be/yoazDXRhlJU
November 5, 2025 at 6:25 PM
✨ Real User Monitoring (#RUM) & The Modern Browser ✨
@bluesmoon.info shares his thoughts on the browser's evolution and its impact on building BOOMERANG. In ~100 seconds, you can listen to his answer, taken from our complete ✨ SPDY STREAM 014 ✨ episode. Link below.
🎥 youtu.be/yoazDXRhlJU
@bluesmoon.info shares his thoughts on the browser's evolution and its impact on building BOOMERANG. In ~100 seconds, you can listen to his answer, taken from our complete ✨ SPDY STREAM 014 ✨ episode. Link below.
🎥 youtu.be/yoazDXRhlJU
Sara doesn't just tell you when something isn't done right, she also shows you how to fix it.
The alternative, if you don't want to keep the same images in both light and dark mode, can be to use feature queries in the element and render the image suitable for each mode. codepen.io/SaraSoueidan...
A video demonstrating the img in the Codepen change when I switch modes on macOS:
A video demonstrating the img in the Codepen change when I switch modes on macOS:
October 29, 2025 at 2:35 PM
Sara doesn't just tell you when something isn't done right, she also shows you how to fix it.
Reposted by Philip Tellis
The alternative, if you don't want to keep the same images in both light and dark mode, can be to use feature queries in the element and render the image suitable for each mode. codepen.io/SaraSoueidan...
A video demonstrating the img in the Codepen change when I switch modes on macOS:
A video demonstrating the img in the Codepen change when I switch modes on macOS:
October 29, 2025 at 2:32 PM
The alternative, if you don't want to keep the same images in both light and dark mode, can be to use feature queries in the element and render the image suitable for each mode. codepen.io/SaraSoueidan...
A video demonstrating the img in the Codepen change when I switch modes on macOS:
A video demonstrating the img in the Codepen change when I switch modes on macOS:
@programmingart.bsky.social presenting @rumarchive.com at the RUMRUMCG
Great start to my favorite week with our first in person #RUMCG meeting before @perfnow.nl
What’s RUMCG? www.w3.org/community/ru...
What’s RUMCG? www.w3.org/community/ru...
October 29, 2025 at 2:30 PM
@programmingart.bsky.social presenting @rumarchive.com at the RUMRUMCG
The anomaly detection algorithm on my site has been lighting up today with the abnormally high traffic @henrihelvetica.bsky.social's post has generated.
✨ The Genesis of Real User Monitoring ✨ SPDY STREAM 14 ✨
⏱️ In about 100s, @bluesmoon.info shares the tale of the creation of #RUM by Steve Souders (co-founder of @speedcurve.com) and the impact it had on web performance.
✨ SPDY STREAM 14 ✨ is now LIVE
🎥 youtu.be/yoazDXRhlJU
⏱️ In about 100s, @bluesmoon.info shares the tale of the creation of #RUM by Steve Souders (co-founder of @speedcurve.com) and the impact it had on web performance.
✨ SPDY STREAM 14 ✨ is now LIVE
🎥 youtu.be/yoazDXRhlJU
October 27, 2025 at 11:01 PM
The anomaly detection algorithm on my site has been lighting up today with the abnormally high traffic @henrihelvetica.bsky.social's post has generated.
Reposted by Philip Tellis
✨ The Genesis of Real User Monitoring ✨ SPDY STREAM 14 ✨
⏱️ In about 100s, @bluesmoon.info shares the tale of the creation of #RUM by Steve Souders (co-founder of @speedcurve.com) and the impact it had on web performance.
✨ SPDY STREAM 14 ✨ is now LIVE
🎥 youtu.be/yoazDXRhlJU
⏱️ In about 100s, @bluesmoon.info shares the tale of the creation of #RUM by Steve Souders (co-founder of @speedcurve.com) and the impact it had on web performance.
✨ SPDY STREAM 14 ✨ is now LIVE
🎥 youtu.be/yoazDXRhlJU
October 27, 2025 at 5:14 PM
✨ The Genesis of Real User Monitoring ✨ SPDY STREAM 14 ✨
⏱️ In about 100s, @bluesmoon.info shares the tale of the creation of #RUM by Steve Souders (co-founder of @speedcurve.com) and the impact it had on web performance.
✨ SPDY STREAM 14 ✨ is now LIVE
🎥 youtu.be/yoazDXRhlJU
⏱️ In about 100s, @bluesmoon.info shares the tale of the creation of #RUM by Steve Souders (co-founder of @speedcurve.com) and the impact it had on web performance.
✨ SPDY STREAM 14 ✨ is now LIVE
🎥 youtu.be/yoazDXRhlJU
Reposted by Philip Tellis
Excited that this is going live tomorrow. Easily one of my fave episodes. Big shout to @bluesmoon.info
October 26, 2025 at 7:54 PM
Excited that this is going live tomorrow. Easily one of my fave episodes. Big shout to @bluesmoon.info
Happening now: www.eventbrite.com/e/bruce-schn...
Bruce Schneier and Nathan E. Sanders at the Cambridge Public Library
presenting Rewiring Democracy: How AI Will Transform Our Politics, Government, and Citizenship
www.eventbrite.com
October 22, 2025 at 9:37 PM
Happening now: www.eventbrite.com/e/bruce-schn...
There are only 2 remaining unsolved problems in all of Computer Science... Sending email with Microsoft Outlook, and Receiving email with Microsoft Outlook.
October 21, 2025 at 4:26 PM
There are only 2 remaining unsolved problems in all of Computer Science... Sending email with Microsoft Outlook, and Receiving email with Microsoft Outlook.
Got to work and realized I left my glasses at home. It's going to be a long day of typing with my screen at least 3 feet away from my eyes. Let's see how many apps/sites work with increased font sizes.
October 21, 2025 at 1:44 PM
Got to work and realized I left my glasses at home. It's going to be a long day of typing with my screen at least 3 feet away from my eyes. Let's see how many apps/sites work with increased font sizes.
I'll be chatting with @henrihelvetica.bsky.social in about 90 minutes about the history of boomerang and RUM. Join us.
✨ SPDY STREAM 014 ✨ with @bluesmoon.info.
Originating at Yahoo Engineering nearly 15 years ago, Boomerang is a high-performance JavaScript library for Real User Measurement (RUM). Philip will share its history + current impact. JOIN US!
📅 Wednesday Oct 15th
⏰ 1pm EDT
🔗 bit.ly/spdy-stream-014
Originating at Yahoo Engineering nearly 15 years ago, Boomerang is a high-performance JavaScript library for Real User Measurement (RUM). Philip will share its history + current impact. JOIN US!
📅 Wednesday Oct 15th
⏰ 1pm EDT
🔗 bit.ly/spdy-stream-014
SPDY STREAM 014 with Philip Tellis of Akamai
Boomerang is a high-performance JavaScript library for Real User Measurement (RUM) that has been actively developed for nearly 15 years, originating at Yahoo Engineering. RUM has never been more impor...
bit.ly
October 15, 2025 at 4:06 PM
I'll be chatting with @henrihelvetica.bsky.social in about 90 minutes about the history of boomerang and RUM. Join us.
Reposted by Philip Tellis
If anyone needs me I will be in the museum, lying down next to the bog bodies.
October 13, 2025 at 5:58 PM
If anyone needs me I will be in the museum, lying down next to the bog bodies.
This is why you don't trust google's AI overview: "The error 0x23 is the hexadecimal representation of the decimal error code 23". No, hex 23 is NOT the same as decimal 23.
October 11, 2025 at 3:34 PM
This is why you don't trust google's AI overview: "The error 0x23 is the hexadecimal representation of the decimal error code 23". No, hex 23 is NOT the same as decimal 23.
The next CAJUN meetup will be at 4:30pm on Wed, Oct 15 at Akamai HQ in Kendall Sq. Anshul Singhvi will speak about GeometryOps.jl: www.meetup.com/julia-cajun/...
#julia #cambridge #geometry
#julia #cambridge #geometry
Building geometry processing tools using multiple dispatch, Wed, Oct 15, 2025, 4:30 PM | Meetup
Welcome to the October 2025 CAJUN meetup. We welcome **Anshul Singhvi** speaking about **GeometryOps**. This meetup will be at the **Akamai** office in Kendall Square. See
www.meetup.com
October 2, 2025 at 4:24 AM
The next CAJUN meetup will be at 4:30pm on Wed, Oct 15 at Akamai HQ in Kendall Sq. Anshul Singhvi will speak about GeometryOps.jl: www.meetup.com/julia-cajun/...
#julia #cambridge #geometry
#julia #cambridge #geometry
OH: our 8yo explaining the Great British Baking Show to two other 8yos... It's like FIFA, but the teams are just 1 person and instead of soccer they have to bake 3 things, and then one of them goes out.
September 28, 2025 at 12:42 AM
OH: our 8yo explaining the Great British Baking Show to two other 8yos... It's like FIFA, but the teams are just 1 person and instead of soccer they have to bake 3 things, and then one of them goes out.
Reposted by Philip Tellis
This only happens to you once
September 26, 2025 at 7:39 PM
This only happens to you once
Unit test threw an error... but it wasn't the right error based on my understanding of the code. Investigated and found two different bugs. One that caused the initial error and another that caused the wrong error to fire.
September 26, 2025 at 12:00 AM
Unit test threw an error... but it wasn't the right error based on my understanding of the code. Investigated and found two different bugs. One that caused the initial error and another that caused the wrong error to fire.
Made apple spice bread for the start of fall. Spices include cinnamon, clove, allspice and ginger. Happy with how this came out because it's generally hard to work with fruits that leak water into the dough while it bakes. #bread
September 24, 2025 at 4:00 PM
Made apple spice bread for the start of fall. Spices include cinnamon, clove, allspice and ginger. Happy with how this came out because it's generally hard to work with fruits that leak water into the dough while it bakes. #bread
Reposted by Philip Tellis
If you're on #LinkedIn, this is the link for declining their use of your data for training their AI models:
www.linkedin.com/mypreference...
www.linkedin.com/mypreference...
September 18, 2025 at 9:16 PM
If you're on #LinkedIn, this is the link for declining their use of your data for training their AI models:
www.linkedin.com/mypreference...
www.linkedin.com/mypreference...
All of my submissions to CodeMotion Milan have been rejected.
September 10, 2025 at 2:55 PM
All of my submissions to CodeMotion Milan have been rejected.
Reposted by Philip Tellis
📊 How can data-driven stories be crafted to engage everyone, from the most tech-savvy to those who prefer simplicity?
Nina Errey's research reveals how different age groups interact with narrative visualizations and offers insights to create inclusive designs.
nightingaledvs.com/why-audience...
Nina Errey's research reveals how different age groups interact with narrative visualizations and offers insights to create inclusive designs.
nightingaledvs.com/why-audience...
Why audience age matters: The Influence of Audience Age on Engagement with Interactive Narrative Visualization, Nightingale
Interactive data-driven stories are an increasingly common way to communicate complex information—climate change, election outcomes, etc.
nightingaledvs.com
August 28, 2025 at 4:39 PM
📊 How can data-driven stories be crafted to engage everyone, from the most tech-savvy to those who prefer simplicity?
Nina Errey's research reveals how different age groups interact with narrative visualizations and offers insights to create inclusive designs.
nightingaledvs.com/why-audience...
Nina Errey's research reveals how different age groups interact with narrative visualizations and offers insights to create inclusive designs.
nightingaledvs.com/why-audience...