Aaron T. Grogg
@aarontgrogg.com
Web Developer / Performance Optimization Specialist
aarontgrogg.com
aarontgrogg.com
I’m still seeing Lake Ontario in Google Maps, but they are hedging with “Gulf of Mexico (Gulf of America)”… Apple Maps is in full a$$-kissing mode. But yeah, MapQuest remains true… Will try it for a while, and deleting Apple Maps yet again…
September 3, 2026 at 4:24 PM
I’m still seeing Lake Ontario in Google Maps, but they are hedging with “Gulf of Mexico (Gulf of America)”… Apple Maps is in full a$$-kissing mode. But yeah, MapQuest remains true… Will try it for a while, and deleting Apple Maps yet again…
Reposted by Aaron T. Grogg
"MapQuest’s rank climbed from No. 128 on August 28 to No. 92 the following day, and then hit No. 3 this Monday, August 31, when it was also No. 1 in the Navigation category. By Tuesday of this week, MapQuest had reached the No. 1 spot across both apps and games on the U.S. App Store."
MapQuest is now the No. 1 US app after bucking Trump's 'Lake America' renaming | TechCrunch
The once-dominant mapping app has surged to the top of Apple’s U.S. App Store after refusing to adopt Trump’s “Lake America” name, drawing more than half of its 2026 U.S. downloads in just six days.
techcrunch.com
September 2, 2026 at 9:58 PM
"MapQuest’s rank climbed from No. 128 on August 28 to No. 92 the following day, and then hit No. 3 this Monday, August 31, when it was also No. 1 in the Navigation category. By Tuesday of this week, MapQuest had reached the No. 1 spot across both apps and games on the U.S. App Store."
I reduced this PLP's LCP by nearly 3s just by replacing the JS animation with CSS animation. #NoLoJS FTW.
Reduce LCP by nearly 3s by replacing JS animation with CSS
I reduced this PLP's LCP by nearly 3s just by replacing the JS animation with CSS animation. #NoLoJS FTW.
aarontgrogg.com
September 1, 2026 at 3:49 PM
I reduced this PLP's LCP by nearly 3s just by replacing the JS animation with CSS animation. #NoLoJS FTW.
SRE roles seem to have exploded onto the scene, with frontend performance tossed into the description as if they were free breadsticks. Any idea why the shift of performance focus?
Why has SRE become such a big role?
SRE roles seem to have exploded onto the scene, with frontend performance tossed into the description as if they were free breadsticks. Any idea why the shift of performance focus?
aarontgrogg.com
August 31, 2026 at 8:15 AM
SRE roles seem to have exploded onto the scene, with frontend performance tossed into the description as if they were free breadsticks. Any idea why the shift of performance focus?
Hey, @wordpress.com, 7.1 upgrade, not a great look, just in case it hasn't been reported yet...
August 26, 2026 at 1:48 AM
Hey, @wordpress.com, 7.1 upgrade, not a great look, just in case it hasn't been reported yet...
During a client audit, I re-encountered a common, annoying, and harmful, pattern: dupe HTML, instead proper responsive design. Can we please stop this? Happy reducing!
This “double HTML” pattern must stop!
During a client audit, I re-encountered a common, annoying, and harmful, pattern: dupe HTML, instead proper responsive design. Can we please stop this? Happy reducing!
aarontgrogg.com
August 20, 2026 at 8:49 AM
During a client audit, I re-encountered a common, annoying, and harmful, pattern: dupe HTML, instead proper responsive design. Can we please stop this? Happy reducing!
TIL: There is a thing called Server-Timing Headers
Sharing a few details related to my latest finding from around the world-wide web: Server-Timing Headers Happy timing!
Sharing a few details related to my latest finding from around the world-wide web: Server-Timing Headers Happy timing!
TIL: There is a thing called Server-Timing Headers
Sharing a few details related to my latest finding from around the world-wide web: Server-Timing Headers Happy timing!
aarontgrogg.com
August 17, 2026 at 4:44 PM
TIL: There is a thing called Server-Timing Headers
Sharing a few details related to my latest finding from around the world-wide web: Server-Timing Headers Happy timing!
Sharing a few details related to my latest finding from around the world-wide web: Server-Timing Headers Happy timing!
WebMCP could fundamentally change how websites are consumed. The more I dig, the more I wonder whether websites will need visible content?
Looking into WebMCP, I wonder if websites will even need visible content
WebMCP stands to fundamentally change how websites are consumed. The deeper I dig, the more I start to wonder whether or not websites in the future will even need visible content?
aarontgrogg.com
August 14, 2026 at 7:44 AM
WebMCP could fundamentally change how websites are consumed. The more I dig, the more I wonder whether websites will need visible content?
Presenting a Web Performance MasterClass at the WeAreDevelopers World Congress
I will be presenting an all-day Web Performance MasterClass at the WeAreDevelopers World Congress in San Jose, CA from September 23-25, 2026. I have a discount registration codes available if you're interested in…
I will be presenting an all-day Web Performance MasterClass at the WeAreDevelopers World Congress in San Jose, CA from September 23-25, 2026. I have a discount registration codes available if you're interested in…
Presenting a Web Performance MasterClass at the WeAreDevelopers World Congress
I will be presenting an all-day Web Performance MasterClass at the WeAreDevelopers World Congress in San Jose, CA from September 23-25, 2026. I have a discount registration codes available if you're interested in attending.
aarontgrogg.com
August 11, 2026 at 3:37 AM
Presenting a Web Performance MasterClass at the WeAreDevelopers World Congress
I will be presenting an all-day Web Performance MasterClass at the WeAreDevelopers World Congress in San Jose, CA from September 23-25, 2026. I have a discount registration codes available if you're interested in…
I will be presenting an all-day Web Performance MasterClass at the WeAreDevelopers World Congress in San Jose, CA from September 23-25, 2026. I have a discount registration codes available if you're interested in…
A fascinating read from @codepo8.bsky.social:
Powerful quote:
"Recognize fascism as a technique, not a legitimate ideology or ordinary party. ... Once democracies understand it instead as a hostile technique for destroying democracy from within, the response becomes conceivable."
👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏
Powerful quote:
"Recognize fascism as a technique, not a legitimate ideology or ordinary party. ... Once democracies understand it instead as a hostile technique for destroying democracy from within, the response becomes conceivable."
👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏
A blueprint for democracy to defend itself against fascism from 1937 – more important now than ever…
christianheilmann.com/2026/08/04/a...
christianheilmann.com/2026/08/04/a...
A blueprint for democracy to defend itself against fascism from 1937 – more important now than ever… | Christian Heilmann
christianheilmann.com
August 4, 2026 at 3:41 PM
A fascinating read from @codepo8.bsky.social:
Powerful quote:
"Recognize fascism as a technique, not a legitimate ideology or ordinary party. ... Once democracies understand it instead as a hostile technique for destroying democracy from within, the response becomes conceivable."
👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏
Powerful quote:
"Recognize fascism as a technique, not a legitimate ideology or ordinary party. ... Once democracies understand it instead as a hostile technique for destroying democracy from within, the response becomes conceivable."
👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏👏
Investigating Wish.com's high LCP led me down a rabbit hole of performance paper cuts. But I was able to reduce their LCP from 7.12s to 1.67s, and that was with only a couple of my recommended improvements in place. Read to find out how!
Investigating… a High LCP for Wish.com
Investigating Wish.com's high LCP led me down a rabbit hole of performance paper cuts. But I was able to reduce their LCP from 7.12s to 1.67s, and that was with only a couple of my recommended improvements in place. Read to find out how!
aarontgrogg.com
April 8, 2026 at 5:01 PM
Investigating Wish.com's high LCP led me down a rabbit hole of performance paper cuts. But I was able to reduce their LCP from 7.12s to 1.67s, and that was with only a couple of my recommended improvements in place. Read to find out how!
Comparing three similar, but quite different, "pre-fetch" techniques, explaining how they are similar, how they are different, when each should be used, and how together they create a powerful performance trio.
Early Hints vs. Resource Hints vs. Speculation Rules: Which is right for what, and when?
Comparing three similar, but quite different, "pre-fetch" techniques, explaining how they are similar, how they are different, when each should be used, and how together they create a powerful performance trio.
aarontgrogg.com
March 31, 2026 at 11:47 AM
Comparing three similar, but quite different, "pre-fetch" techniques, explaining how they are similar, how they are different, when each should be used, and how together they create a powerful performance trio.
Getting excited to hop on this call with the great @henrihelvetica.bsky.social!
Who's joining???
Who's joining???
In episode 28, we’re diving into the mythical Web Almanac from The @httparchive.org , and chatting about the Performance chapter findings, w/ @aarontgrogg.com who co-authored this year’s analysis. Join us!
📆 Wed March 28th
⏰ 1pm EDT, 10am PDT
🔗 youtube.com/live/Ki1610T...
📆 Wed March 28th
⏰ 1pm EDT, 10am PDT
🔗 youtube.com/live/Ki1610T...
March 26, 2026 at 4:37 PM
Getting excited to hop on this call with the great @henrihelvetica.bsky.social!
Who's joining???
Who's joining???
TTFB? FCP? LCP? INP? CLS? Something else? What's your most important perf metric?
What’s the Most Important Performance Metric?
TTFB? FCP? LCP? INP? CLS? Something else? What's your most important perf metric?
aarontgrogg.com
March 25, 2026 at 12:05 PM
TTFB? FCP? LCP? INP? CLS? Something else? What's your most important perf metric?
Reposted by Aaron T. Grogg
New game! This week, it is a HTML-themed crossword.
Play online at: comicss.art/games/12/
#css #html #game #crossword #webDev
Play online at: comicss.art/games/12/
#css #html #game #crossword #webDev
comiCSS
comiCSS Games: games about CSS. Coded in CSS (mostly).
comicss.art
March 11, 2026 at 12:05 PM
New game! This week, it is a HTML-themed crossword.
Play online at: comicss.art/games/12/
#css #html #game #crossword #webDev
Play online at: comicss.art/games/12/
#css #html #game #crossword #webDev
The absolute fool-fuckery is astounding… I doubt these idiots can even put their own pants on…
The U.S. State Department issued a notice yesterday for Americans to evacuate more than a dozen Middle Eastern countries "via commercial means due to serious safety risks."
The catch?
Air space is closed. There are no flights leaving 10 of the 13 countries.
The catch?
Air space is closed. There are no flights leaving 10 of the 13 countries.
March 3, 2026 at 7:53 PM
The absolute fool-fuckery is astounding… I doubt these idiots can even put their own pants on…
Brava!! 🎉🥳
Chrome is moving to a 2-week release schedule!
(previously 4 weeks)
developer.chrome.com/blog/chrome-...
(previously 4 weeks)
developer.chrome.com/blog/chrome-...
Get features faster with Chrome's two-week release cycle | Blog | Chrome for Developers
From September 2026 Chrome releases will be every two weeks.
developer.chrome.com
March 3, 2026 at 7:49 PM
Brava!! 🎉🥳
Reposted by Aaron T. Grogg
SCOOP: An internal DHS document obtained by 404 Media shows for the first time CBP used location data sourced from the online advertising industry to track phone locations.
This surveillance can happen through all sorts of apps, such as video games, news apps, weather trackers, and dating apps.
This surveillance can happen through all sorts of apps, such as video games, news apps, weather trackers, and dating apps.
CBP Tapped Into the Online Advertising Ecosystem To Track Peoples’ Movements
An internal DHS document obtained by 404 Media shows for the first time CBP used location data sourced from the online advertising industry to track phone locations. ICE has bought access to similar t...
www.404media.co
March 3, 2026 at 2:16 PM
SCOOP: An internal DHS document obtained by 404 Media shows for the first time CBP used location data sourced from the online advertising industry to track phone locations.
This surveillance can happen through all sorts of apps, such as video games, news apps, weather trackers, and dating apps.
This surveillance can happen through all sorts of apps, such as video games, news apps, weather trackers, and dating apps.
This would be a great addition to every CMS, as a page is published/updated, right before it is cached! 🥰
March 3, 2026 at 7:48 PM
This would be a great addition to every CMS, as a page is published/updated, right before it is cached! 🥰
Reposted by Aaron T. Grogg
March 3, 2026 at 6:46 PM
Speedcurve’s Page Speed Benchmarks reported Costco.com's LCP averaging at 6.85s. But could it be that CLS is at least part of the problem? Read to find out!
Investigating… can CLS cause a high LCP?
Speedcurve’s Page Speed Benchmarks reported Costco.com's LCP averaging at 6.85s. But could it be that CLS is at least part of the problem? Read to find out!
aarontgrogg.com
March 3, 2026 at 5:13 PM
Speedcurve’s Page Speed Benchmarks reported Costco.com's LCP averaging at 6.85s. But could it be that CLS is at least part of the problem? Read to find out!
On February 18, 2026, I sat down with Chrisitan Heilmann of Coffee with Developers to chat about NoLoJS and lots and lots of other web-type stuff. Have a listen and let me know what you think!
NoLoJS Featured on the Coffee with Developers Podcast
On February 18, 2026, I sat down with Chrisitan Heilmann of Coffee with Developers to chat about NoLoJS and lots and lots of other web-type stuff. Have a listen and let me know what you think!
aarontgrogg.com
February 26, 2026 at 4:10 PM
On February 18, 2026, I sat down with Chrisitan Heilmann of Coffee with Developers to chat about NoLoJS and lots and lots of other web-type stuff. Have a listen and let me know what you think!
Speedcurve’s Page Speed Benchmarks reported Nike.com's LCP averaging at 4.36s. I got it down to 1.36s. Read to find out how! @Nike
Investigating… a High LCP for Nike.com
Speedcurve’s Page Speed Benchmarks reported Nike.com's LCP averaging at 4.36s. I got it down to 1.36s. Read to find out how! @Nike
aarontgrogg.com
February 25, 2026 at 2:04 PM
Speedcurve’s Page Speed Benchmarks reported Nike.com's LCP averaging at 4.36s. I got it down to 1.36s. Read to find out how! @Nike
After YEARS of the same design and having only a blogroll as my home page, I decided to add a landing page in front. Things are likely to change, but would love to hear what you think so far!
Home page update
After YEARS of the same design and having only a blogroll as my home page, I decided to add a landing page in front. Things are likely to change, but would love to hear what you think so far!
aarontgrogg.com
February 19, 2026 at 1:57 PM
After YEARS of the same design and having only a blogroll as my home page, I decided to add a landing page in front. Things are likely to change, but would love to hear what you think so far!
An upgrade to the NoLoJS repo, adding an auto-generated static documentation site, with loads of bells and whistles. Would love to hear your thoughts! Happy reducing!
NoLoJS Repo Gets New Doc Pages
An upgrade to the NoLoJS repo, adding an auto-generated static documentation site, with loads of bells and whistles. Would love to hear your thoughts! Happy reducing!
aarontgrogg.com
February 18, 2026 at 2:06 PM
An upgrade to the NoLoJS repo, adding an auto-generated static documentation site, with loads of bells and whistles. Would love to hear your thoughts! Happy reducing!