Philip Tellis
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bluesmoon.info
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
Reposted by Philip Tellis
Today in “Dudes Rock”:

A dude playing Dire Straits’s “Sultans of Swing” guitar solo on…a recorder.
December 12, 2025 at 12:50 AM
Apparently Google will not let you block X from your discovery feed. You can only block individual accounts. Support forums are full of folks asking how to block all of X from showing up in Discovery. Time to turn off discovery completely.
January 6, 2026 at 3:44 PM
Barred owl at sunset.
January 2, 2026 at 9:10 PM
Happy New Year to those who have a new year starting today. Bonne année.
January 1, 2026 at 3:30 PM
Is this a thing now where the Korean text is just the English transliterated into Hangul?
December 27, 2025 at 8:18 PM
Someone needs to tell Google Weather that snowflakes have 6 branches, not 4.
December 25, 2025 at 3:14 PM
Tried to make Panettone but ended up with Volcanotonne. Apart from the shape, it came out well. 50% whole wheat and used my own strain of yeast extracted from the skin of a mango. The overflow was due to excessively deep scoring.
December 22, 2025 at 5:33 AM
This week's sandwich loaf.
December 18, 2025 at 4:46 AM
Reposted by Philip Tellis
IT’S HERE!! Welcome to PyData Boston 2025! Experience 40+ engaging, exciting, and forward-thinking talks, tutorials, and keynote sessions over three data-filled days in Boston’s thriving tech hub. We hope you all enjoy!
December 8, 2025 at 2:03 PM
I'd posted this in response to someone else, but I think it deserves a post of its own. 2007 paper on the "Relationship between Funding Source and Conclusion among Nutrition-Related Scientific Articles": pmc.ncbi.nlm.nih.gov/articles/PMC...
December 2, 2025 at 7:49 PM
PyData Boston 2025 (@pydata.bsky.social) -- Happening Dec. 8-10 at the Microsoft NERD Center. Details here: py-
data.org/boston2025/ #PyDataBoston25 #PyData #NumFOCUS
December 2, 2025 at 2:36 AM
Nobody told these tomatoes that the growing season is over. Just harvested and there are more on the plants.
November 26, 2025 at 2:33 PM
Road to sunset
November 26, 2025 at 5:03 AM
It's the month of sunsets.
November 21, 2025 at 7:29 PM
My fingers smell of olives. I'm making whole wheat (70% Glenn/30% Spelt) Olive & Sun-dried Tomato sourdough bread.
November 20, 2025 at 3:04 PM
Currently reading "In Defense of Food" by Michael Pollan. It talks about the issues with food industrialization and de-localization. I know many of you will enjoy it and learn from it.
November 16, 2025 at 5:41 PM
@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
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
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
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
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
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
November 5, 2025 at 6:25 PM
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:
October 29, 2025 at 2:35 PM
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:
October 29, 2025 at 2:32 PM
@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...
October 29, 2025 at 2:30 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.
✨ 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
October 27, 2025 at 11:01 PM