Aaron T. Grogg
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aarontgrogg.com
Aaron T. Grogg
@aarontgrogg.com
Web Developer / Performance Optimization Specialist
aarontgrogg.com
This is just incredible… 😊
💡 CSS Tip!

Creating the circular version using the same tricks.

css-tip.com/responsive-s...

It's responsive, the gap is transparent, and you get a cool hover effect to reveal the image if there is an overlap.
November 18, 2025 at 9:35 PM
Reposted by Aaron T. Grogg
If your backend times are slow, that hurts all your other key performance and UX metrics, including Core Web Vitals!

Find out how to track your CDN's health and get backend transparency — along with 24 more holiday readiness tips!

#corewebvitals #webperf #ux #sitespeed #pagespeed
🎄 Holiday Readiness Tip 7: Track your CDN!

CDN performance can be a black box. Did you know you can track CDN health using Server Timing headers?

👉 How to get backend transparency from your CDN: www.speedcurve.com/blog/server-...

👉 More holiday readiness tips: www.speedcurve.com/blog/holiday...
SpeedCurve | 2025 Holiday Readiness Checklist (Page Speed Edition!)
25 things you can do to keep your site fast and your users happy through the holidays and beyond!
www.speedcurve.com
November 18, 2025 at 7:35 PM
Reposted by Aaron T. Grogg
There are many tips for improving your website's performance. But even if you follow all the advice, can you maintain an optimized site? And are you targeting the right pages?

↬ Matt Zeunert on effective strategies: www.smashingmagazine.com/2025/11/effe...

(Article supported by @debugbear.com 💖)
November 18, 2025 at 7:00 PM
Reposted by Aaron T. Grogg
Blink: Intent to Ship: Scroll Triggered Animations
Blink: Intent to Ship: Scroll Triggered Animations
Blink: Intent to Ship: Scroll Triggered Animations
groups.google.com
November 18, 2025 at 8:29 PM
The latest installment in my "Today's Readings" series, offering my rants and thoughts based on findings from around the world-wide web, including #ai, #baseline, #css, #fonts, #js, #performance, #serviceworker, #svg, #wordpress and more. Happy reading!
Today’s Readings
The latest installment in my "Today's Readings" series, offering my rants and thoughts based on findings from around the world-wide web, including #ai, #baseline, #css, #fonts, #js, #performance, #serviceworker, #svg, #wordpress and more. Happy reading!
aarontgrogg.com
November 18, 2025 at 2:35 PM
Hmm, well this is annoying: I just updated my BlueSky settings to use my own domain, assuming it would forward my old @aarontgrogg.bsky.social to the new @aarontgrogg.com, but I guess... not... 🤨
November 18, 2025 at 3:46 AM
🧑‍🍳😗
The overall interoperability score for Interop 2025 has reached 92% test pass rate!! Looking good!
November 14, 2025 at 7:42 PM
Yes!!! I don’t mind, and totally understand, when UIs use icon buttons. But it drives me nuts when those buttons don’t have any indication of what they are/do…
November 14, 2025 at 7:35 PM
Reposted by Aaron T. Grogg
🎓 Master Scroll-Driven Animations in our 10-part video course → goo.gle/4nPdP30

With support in Chrome and now Safari 26, it's the perfect time to learn how to create powerful, scroll-based interactions.
November 14, 2025 at 6:50 PM
The latest installment in my "Today's Readings" series, offering my rants and thoughts based on findings from around the world-wide web, including #a11y, #animation, #css, #performance, #svg, #viewtransitions and more. Happy reading!
Today’s Readings
The latest installment in my "Today's Readings" series, offering my rants and thoughts based on findings from around the world-wide web, including #a11y, #animation, #css, #performance, #svg, #viewtransitions and more. Happy reading!
aarontgrogg.com
November 14, 2025 at 2:12 PM
The latest installment in my "Today's Readings" series, offering my rants and thoughts based on findings from around the world-wide web, icluding #a11y, #ai, #animation, #css, #js, #performance and more. Happy reading!
Today’s Readings
The latest installment in my "Today's Readings" series, offering my rants and thoughts based on findings from around the world-wide web, icluding #a11y, #ai, #animation, #css, #js, #performance and more. Happy reading!
aarontgrogg.com
November 12, 2025 at 5:29 PM
On November 19, 2025, I will be presenting on an PerformanceObserver meetup. Hope to "see" you all there!
I will be presenting on PerformanceObserver
On November 19, 2025, I will be presenting on the PerformanceObserver meetup. So thrilled, hope to "see" you all there!
aarontgrogg.com
November 10, 2025 at 11:41 PM
Reposted by Aaron T. Grogg
THIS.
One of the few positive aspects of this era in American history is that it's super-easy to identify the villains.
November 9, 2025 at 6:11 AM
Reposted by Aaron T. Grogg
what stage of capitalism is this
California police boost patrols at grocery stores as millions set to lose SNAP benefits
California police boost patrols at grocery stores as millions set to lose SNAP benefits
www.foxla.com
October 29, 2025 at 11:41 PM
Reposted by Aaron T. Grogg
💻 "Apple and Safari have LCP over in STP right now" - me.
Words that only someone in perf could enjoy. But you will soon as well. ✨ SPDY STREAM 015 ✨ w/ @nicj.net and @programmingart.bsky.social will be available either tomorrow or Monday... or later. (flipping a coin). Stay tuned! #RUM #RumArchive
November 7, 2025 at 4:47 AM
The latest installment in my "Today's Readings" series, offering my rants and thoughts based on findings from around the world-wide web, including #css, #chrome, #devtools, #debugging, #firefox, #github, #performance, #webcomponents and more. Happy reading!
Today’s Readings
The latest installment in my "Today's Readings" series, offering my rants and thoughts based on findings from around the world-wide web, including #css, #chrome, #devtools, #debugging, #firefox, #github, #performance, #webcomponents and more. Happy reading!
aarontgrogg.com
November 6, 2025 at 8:45 AM
This is shaping up to be one helluva holiday season!!!
field-sizing is coming to Safari 26.2 🥳

Now next is @firefoxdevtools.bsky.social 👀 👀
It's coming in Safari 26.2!
November 5, 2025 at 1:04 PM
Reposted by Aaron T. Grogg
Shorter: If you don’t agree to let us triple your insurance premiums and take millions out of Medicaid and Medicare, I’m going to starve the elderly, children, and vets.
November 5, 2025 at 12:28 AM
The latest installment in my "Today's Readings" series, offering my rants and thoughts based on findings from around the world-wide web, including #ai, #css, #devtools, #fonts, #html, #inp, #mcp, #performance, #pwa, #scrolldrivenanimation, #speculationrules, #webcomponents and more. Happy reading!
Today’s Readings
The latest installment in my "Today's Readings" series, offering my rants and thoughts based on findings from around the world-wide web, including #ai, #css, #devtools, #fonts, #html, #inp, #mcp, #performance, #pwa, #scrolldrivenanimation, #speculationrules, #webcomponents and more. Happy reading!
aarontgrogg.com
November 4, 2025 at 4:52 PM
Reposted by Aaron T. Grogg
Find your local food bank here.

Donating food is great, but donating money is better if you can. That way they can purchase in bulk (cheaper that way), buy what is most needed, and save time sorting/ inspecting.
Find Your Local Food Bank | Feeding America
Find the Feeding America member food bank nearest you. Over 200 member food banks can connect you with free food, food pantries, soup kitchens, and mobile pantries in your community.
www.feedingamerica.org
November 2, 2025 at 4:58 PM
Reposted by Aaron T. Grogg
November 1, 2025 at 5:15 PM
Just beautiful…
Interesting! Etsy implemented speculation rules and got these results:

👍 Time to First Byte on the listing page improved 23.6%
👍 First Contentful Paint improved 20.7%
👍 Largest Contentful Paint improved 21.1%
👍 DOMContentLoaded improved 20.4%

#PerfNow #webperf

www.etsy.com/codeascraft/...
www.etsy.com
November 2, 2025 at 7:55 PM
Hmm… Always nice to have something new to dig into!
Telescope, the new cross-browser performance testing agent I mentioned at #perfnow that we @cloudflare.social have open-sourced is here: github.com/cloudflare/t...

We want this to be a tool the entire community is able to contribute to and benefit from, so please help us make it better!
GitHub - cloudflare/telescope: Cross-browser web performance testing agent
Cross-browser web performance testing agent. Contribute to cloudflare/telescope development by creating an account on GitHub.
github.com
November 1, 2025 at 4:46 PM
<sarcasm>Oh, like THAT’S gonna stop people??? 🙄</sarcasm>
ChatGPT is not a search engine. It does not scan the web for information, it just generates statistically likely sentences.

You cannot use it a search engine, or as a substitute for searching.
November 1, 2025 at 4:44 PM
Shocked not shocked.
'She acknowledged that some would question the move given the company was performing well.

At the end of July, Amazon reported second quarter results which beat Wall Street expectations on several counts, including a 13% year over year increase in sales to $167.7bn'

www.bbc.com/news/article...
Amazon confirms massive job losses in corporate division
The company says the opportunities provided by AI means it needs to be "organised more leanly."
www.bbc.com
November 1, 2025 at 4:39 PM