Broke: trying to model some complex physics phenomena to meet gameplay goals.
Woke: just writing Speed = SpeedCurve->GetValue( SpeedCurve->GetTime(Speed) + DeltaTime );
Woke: just writing Speed = SpeedCurve->GetValue( SpeedCurve->GetTime(Speed) + DeltaTime );
December 2, 2025 at 1:06 AM
Broke: trying to model some complex physics phenomena to meet gameplay goals.
Woke: just writing Speed = SpeedCurve->GetValue( SpeedCurve->GetTime(Speed) + DeltaTime );
Woke: just writing Speed = SpeedCurve->GetValue( SpeedCurve->GetTime(Speed) + DeltaTime );
Excellent insights and practical tips from @ethangardner.com. (And we love seeing SpeedCurve charts being used to demonstrate #webperf wins!)
Web performance calendar day 9 with @ethangardner.com on how to relate performance efforts to our friends from ads, marketing and the C-level
calendar.perfplanet.com/2024/putting...
calendar.perfplanet.com/2024/putting...
Putting Performance in Relatable Terms
A 300ms improvement may sound like a big win to someone immersed in web performance optimization, but for most people, mentioning milliseconds doesn't usually resonate or seem meaningful. Whenever I'v...
calendar.perfplanet.com
December 18, 2024 at 7:04 PM
Excellent insights and practical tips from @ethangardner.com. (And we love seeing SpeedCurve charts being used to demonstrate #webperf wins!)
If you use @speedcurve.com—and you should—then LUX Sidecar is for you! csswizardry.com/2026/08/intr...
Introducing LUX Sidecar: Your SpeedCurve Companion – CSS Wizardry
LUX Sidecar is a small SpeedCurve RUM plugin that adds browser and navigation context to your real-user performance data.
csswizardry.com
August 20, 2026 at 7:26 PM
If you use @speedcurve.com—and you should—then LUX Sidecar is for you! csswizardry.com/2026/08/intr...
New newsletter is out...
sia.codes/newsletter/r...
sia.codes/newsletter/r...
Website redesign, SpeedCurve Shopify app, new content, and more
From the newsletter on 17 Jun 2025: Website redesign, SpeedCurve Shopify app, new content, and more
sia.codes
June 20, 2025 at 1:51 PM
New newsletter is out...
sia.codes/newsletter/r...
sia.codes/newsletter/r...
I was excited when @speedcurve.com reached out to me to build their #Shopify app - now it's easier to integrate full real-user performance data collection in Shopify storefronts and correlate that data with bounce rates and conversions.
Now you can see exactly how #webperf impacts your bottom line!
Now you can see exactly how #webperf impacts your bottom line!
SpeedCurve | NEW! SpeedCurve RUM for your Shopify store
Track Core Web Vitals, identify performance issues, measure the impact of site speed on conversion rates, and stay ahead of page slowdowns – all with no coding required.
www.speedcurve.com
June 17, 2025 at 2:26 PM
I was excited when @speedcurve.com reached out to me to build their #Shopify app - now it's easier to integrate full real-user performance data collection in Shopify storefronts and correlate that data with bounce rates and conversions.
Now you can see exactly how #webperf impacts your bottom line!
Now you can see exactly how #webperf impacts your bottom line!
Hi, we're so happy to be here! Meet our small but mighty team: www.speedcurve.com/about/
Andy Biggs
Cliff Crocker @cliffcrocker.bsky.social
Andy Davies @andydavies.me
Tammy Everts @tammyeverts.bsky.social
Elena Kay
Steve Souders
Joseph Wynn @josephwynn.bsky.social
Mark Zeman @markzeman.bsky.social
Andy Biggs
Cliff Crocker @cliffcrocker.bsky.social
Andy Davies @andydavies.me
Tammy Everts @tammyeverts.bsky.social
Elena Kay
Steve Souders
Joseph Wynn @josephwynn.bsky.social
Mark Zeman @markzeman.bsky.social
SpeedCurve | About The Team
We aim to make the internet faster for everyone. SpeedCurve focuses on measuring the design & performance of websites to help you deliver an enjoyable and fast experience to your users.
www.speedcurve.com
November 19, 2024 at 8:29 PM
Hi, we're so happy to be here! Meet our small but mighty team: www.speedcurve.com/about/
Andy Biggs
Cliff Crocker @cliffcrocker.bsky.social
Andy Davies @andydavies.me
Tammy Everts @tammyeverts.bsky.social
Elena Kay
Steve Souders
Joseph Wynn @josephwynn.bsky.social
Mark Zeman @markzeman.bsky.social
Andy Biggs
Cliff Crocker @cliffcrocker.bsky.social
Andy Davies @andydavies.me
Tammy Everts @tammyeverts.bsky.social
Elena Kay
Steve Souders
Joseph Wynn @josephwynn.bsky.social
Mark Zeman @markzeman.bsky.social
So much great stuff in this huge performance budgets upgrade!
👍 Centralized budget management
👍 Easier navigation and filtering
👍 Budget names and descriptions
👍 Alert history
👍 Full audit trail for each budget
👍 And more!
www.speedcurve.com/blog/perform...
#webperf #ux #sitespeed #pagespeed
👍 Centralized budget management
👍 Easier navigation and filtering
👍 Budget names and descriptions
👍 Alert history
👍 Full audit trail for each budget
👍 And more!
www.speedcurve.com/blog/perform...
#webperf #ux #sitespeed #pagespeed
SpeedCurve | A better way to manage performance budgets in SpeedCurve
We've made a major update to how you create, manage, and monitor performance budgets in SpeedCurve, and we think you're going to love it.
www.speedcurve.com
June 24, 2025 at 5:39 PM
So much great stuff in this huge performance budgets upgrade!
👍 Centralized budget management
👍 Easier navigation and filtering
👍 Budget names and descriptions
👍 Alert history
👍 Full audit trail for each budget
👍 And more!
www.speedcurve.com/blog/perform...
#webperf #ux #sitespeed #pagespeed
👍 Centralized budget management
👍 Easier navigation and filtering
👍 Budget names and descriptions
👍 Alert history
👍 Full audit trail for each budget
👍 And more!
www.speedcurve.com/blog/perform...
#webperf #ux #sitespeed #pagespeed
SpeedCurve has been acquired by @embrace.io! We’re combining forces to connect performance, reliability and UX across web and mobile apps.
And yes, our team and tools will remain the same. 😀
Our founder @markzeman.com shares how our 12-year journey led us here: www.speedcurve.com/blog/perform...
And yes, our team and tools will remain the same. 😀
Our founder @markzeman.com shares how our 12-year journey led us here: www.speedcurve.com/blog/perform...
November 12, 2025 at 3:31 PM
SpeedCurve has been acquired by @embrace.io! We’re combining forces to connect performance, reliability and UX across web and mobile apps.
And yes, our team and tools will remain the same. 😀
Our founder @markzeman.com shares how our 12-year journey led us here: www.speedcurve.com/blog/perform...
And yes, our team and tools will remain the same. 😀
Our founder @markzeman.com shares how our 12-year journey led us here: www.speedcurve.com/blog/perform...
This is the A/B test from @tkadlec.bsky.social that @anniesullie.bsky.social referred to during her #perfnow talk.
timkadlec.com/remembers/20...
timkadlec.com/remembers/20...
A/B Testing Instant.Page With Netlify and Speedcurve - Web Performance Consulting | TimKadlec.com
timkadlec.com
November 15, 2024 at 4:52 PM
This is the A/B test from @tkadlec.bsky.social that @anniesullie.bsky.social referred to during her #perfnow talk.
timkadlec.com/remembers/20...
timkadlec.com/remembers/20...
@andydavies.me shares a compelling correlation chart. As LoAF duration gets worse, so does the number of pages visited during a session. #PerfNow
October 31, 2025 at 9:27 AM
@andydavies.me shares a compelling correlation chart. As LoAF duration gets worse, so does the number of pages visited during a session. #PerfNow
Friday freebie for all you @speedcurve.com fans: LUX Sidecar – Your SpeedCurve Companion
gist.github.com/csswizardry/...
gist.github.com/csswizardry/...
LUX Sidecar – Your SpeedCurve Companion
LUX Sidecar – Your SpeedCurve Companion. GitHub Gist: instantly share code, notes, and snippets.
gist.github.com
July 31, 2026 at 1:31 PM
Friday freebie for all you @speedcurve.com fans: LUX Sidecar – Your SpeedCurve Companion
gist.github.com/csswizardry/...
gist.github.com/csswizardry/...
If you explicitly name elements with the data-sctrack attribute then SpeedCurve will use that over id, class etc
May 8, 2025 at 5:48 PM
If you explicitly name elements with the data-sctrack attribute then SpeedCurve will use that over id, class etc
I've been exploring @speedcurve.com's new Vitals Overview dashboard with some customers for a week or so now, and all I can say is WOW.
Not only is it fun to play with, it also halves the time it takes to investigate #webperf and #ux issues.
👉 Take a quick tour: www.speedcurve.com/blog/a-smart...
Not only is it fun to play with, it also halves the time it takes to investigate #webperf and #ux issues.
👉 Take a quick tour: www.speedcurve.com/blog/a-smart...
SpeedCurve | NEW! A smarter way to spot performance issues
We’re excited to announce the launch of the Vitals Overview dashboard in SpeedCurve. It's your new starting point for exploring the performance of your site.
www.speedcurve.com
October 8, 2025 at 8:08 PM
I've been exploring @speedcurve.com's new Vitals Overview dashboard with some customers for a week or so now, and all I can say is WOW.
Not only is it fun to play with, it also halves the time it takes to investigate #webperf and #ux issues.
👉 Take a quick tour: www.speedcurve.com/blog/a-smart...
Not only is it fun to play with, it also halves the time it takes to investigate #webperf and #ux issues.
👉 Take a quick tour: www.speedcurve.com/blog/a-smart...
Hey gang! This month's performance hero is a man who needs no introduction. (I've always wanted to say that.) Join us in celebrating the OG #webperf hero: @patmeenan.com!
www.speedcurve.com/blog/web-per...
www.speedcurve.com/blog/web-per...
SpeedCurve | Performance Hero: Pat Meenan
Celebrating everything that OG performance hero Pat Meenan has done, and continues to do, for the web performance community.
www.speedcurve.com
December 16, 2024 at 7:13 PM
Hey gang! This month's performance hero is a man who needs no introduction. (I've always wanted to say that.) Join us in celebrating the OG #webperf hero: @patmeenan.com!
www.speedcurve.com/blog/web-per...
www.speedcurve.com/blog/web-per...
Yesterday @speedcurve.com was acquired by @embrace.io and along with the rest of the 'small but mighty' SpeedCurve team, I've joined Embrace
Really excited about what comes next and embedding what I've learnt about web performance into products that everyone can use it to make their sites faster
Really excited about what comes next and embedding what I've learnt about web performance into products that everyone can use it to make their sites faster
November 12, 2025 at 9:49 AM
Yesterday @speedcurve.com was acquired by @embrace.io and along with the rest of the 'small but mighty' SpeedCurve team, I've joined Embrace
Really excited about what comes next and embedding what I've learnt about web performance into products that everyone can use it to make their sites faster
Really excited about what comes next and embedding what I've learnt about web performance into products that everyone can use it to make their sites faster
For #PerfNow folks who want to go even deeper on Long Animation Frames, @andydavies.me wrote the definitive guide.
www.speedcurve.com/blog/guide-l...
www.speedcurve.com/blog/guide-l...
SpeedCurve | The Definitive Guide to Long Animation Frames (LoAF)
LoAF lets you identify problem scripts, quantify the impact of third-party scripts, and improve the user experience. Here's everything you need to know to get started.
www.speedcurve.com
October 31, 2025 at 9:18 AM
For #PerfNow folks who want to go even deeper on Long Animation Frames, @andydavies.me wrote the definitive guide.
www.speedcurve.com/blog/guide-l...
www.speedcurve.com/blog/guide-l...
Here’s the Web Performance Guide I referred to in my #perfnow talk: www.speedcurve.com/web-performa...
Web Performance Guide | SpeedCurve
Everything you need to know to master website monitoring, analytics, and diagnostics from world class experts.
www.speedcurve.com
November 14, 2024 at 9:26 AM
Here’s the Web Performance Guide I referred to in my #perfnow talk: www.speedcurve.com/web-performa...
🎉 Big news! We’re thrilled to welcome @SpeedCurve to Embrace 💛
Together, we’re uniting deep web + mobile expertise into one OpenTelemetry-based, user-focused observability platform.
Learn more: ow.ly/8li350Xqim4
Together, we’re uniting deep web + mobile expertise into one OpenTelemetry-based, user-focused observability platform.
Learn more: ow.ly/8li350Xqim4
November 12, 2025 at 2:59 PM
🎉 Big news! We’re thrilled to welcome @SpeedCurve to Embrace 💛
Together, we’re uniting deep web + mobile expertise into one OpenTelemetry-based, user-focused observability platform.
Learn more: ow.ly/8li350Xqim4
Together, we’re uniting deep web + mobile expertise into one OpenTelemetry-based, user-focused observability platform.
Learn more: ow.ly/8li350Xqim4
This essential post by @tammyeverts.com chimes with my experiences; teams I talk with don't understand that there are huge gains to be had when they finally get perf under thresholds that they think of as "impossible" with today's JS-laden stacks:
speedcurve.com/blog/web-perform…
speedcurve.com/blog/web-perform…
SpeedCurve | Why you need to know your site's performance plateau (and how to find it)
Have you ever wondered why your site got faster, but your business and user engagement metrics didn't change? Here's why.
www.speedcurve.com
July 13, 2025 at 6:52 PM
This essential post by @tammyeverts.com chimes with my experiences; teams I talk with don't understand that there are huge gains to be had when they finally get perf under thresholds that they think of as "impossible" with today's JS-laden stacks:
speedcurve.com/blog/web-perform…
speedcurve.com/blog/web-perform…
Yay, Sergey! I met @sergeyche.dev way back at the start of my #webperf journey (2009 maybe?) and we immediately became friends. I was – and still am – awestruck by how much he does for our community out of the kindness of his heart and passion for user experience.
www.speedcurve.com/blog/perform...
www.speedcurve.com/blog/perform...
SpeedCurve | Performance Hero: Sergey Chernyshev
Sergey has been a huge part of creating the generous, supportive community we enjoy today!
www.speedcurve.com
February 19, 2025 at 7:03 PM
Yay, Sergey! I met @sergeyche.dev way back at the start of my #webperf journey (2009 maybe?) and we immediately became friends. I was – and still am – awestruck by how much he does for our community out of the kindness of his heart and passion for user experience.
www.speedcurve.com/blog/perform...
www.speedcurve.com/blog/perform...
Happy to announce the @speedcurve.com #perfhero for the month of June, Harry Roberts! @csswizardry.com I had a catch up with Harry and talked all things webperf. Have a listen! www.speedcurve.com/blog/web-per...
SpeedCurve | Performance Hero: Harry Roberts
Harry makes huge brands fast, and then generously shares his insights with the community. Thank you, Harry!
www.speedcurve.com
June 30, 2025 at 2:51 PM
Happy to announce the @speedcurve.com #perfhero for the month of June, Harry Roberts! @csswizardry.com I had a catch up with Harry and talked all things webperf. Have a listen! www.speedcurve.com/blog/web-per...
This is the post about JS dominating the browser CPU that @ericwbailey.website refers to in his #perfnow talk.
www.speedcurve.com/blog/javascr...
www.speedcurve.com/blog/javascr...
SpeedCurve | JavaScript dominates browser CPU
www.speedcurve.com
November 14, 2024 at 11:00 AM
This is the post about JS dominating the browser CPU that @ericwbailey.website refers to in his #perfnow talk.
www.speedcurve.com/blog/javascr...
www.speedcurve.com/blog/javascr...
Another source from my #PerfNow talk…
Here’s why you need to know the performance plateau for your site.
www.speedcurve.com/blog/web-per...
Here’s why you need to know the performance plateau for your site.
www.speedcurve.com/blog/web-per...
SpeedCurve | Why you need to know your site's performance plateau (and how to find it)
Have you ever wondered why your site got faster, but your business and user engagement metrics didn't change? Here's why.
www.speedcurve.com
October 30, 2025 at 9:43 AM
Another source from my #PerfNow talk…
Here’s why you need to know the performance plateau for your site.
www.speedcurve.com/blog/web-per...
Here’s why you need to know the performance plateau for your site.
www.speedcurve.com/blog/web-per...
Let's celebrate our first #webperf hero of 2025: @anniesullie.com!
@cliffcrocker.bsky.social caught up with Annie to talk about big wins in 2024, what she and her Speed Metrics team are working on now, and what she sees as the biggest challenge in front of us.
www.speedcurve.com/blog/perform...
@cliffcrocker.bsky.social caught up with Annie to talk about big wins in 2024, what she and her Speed Metrics team are working on now, and what she sees as the biggest challenge in front of us.
www.speedcurve.com/blog/perform...
SpeedCurve | Performance Hero: Annie Sullivan
Celebrating everything that performance hero Annie Sullivan has done, and continues to do, for the web performance community!
www.speedcurve.com
January 21, 2025 at 9:37 PM
Let's celebrate our first #webperf hero of 2025: @anniesullie.com!
@cliffcrocker.bsky.social caught up with Annie to talk about big wins in 2024, what she and her Speed Metrics team are working on now, and what she sees as the biggest challenge in front of us.
www.speedcurve.com/blog/perform...
@cliffcrocker.bsky.social caught up with Annie to talk about big wins in 2024, what she and her Speed Metrics team are working on now, and what she sees as the biggest challenge in front of us.
www.speedcurve.com/blog/perform...
We are thrilled to recognize @infrequently.org as this month's @speedcurve.com Performance Hero. Alex is honest, direct and extremely passionate in his fight for keeping the web platform alive and accessible for all. #perfhero
www.speedcurve.com/blog/perform...
www.speedcurve.com/blog/perform...
SpeedCurve | Performance Hero: Alex Russell
Our newest performance hero is passionate, provocative, and unapologetically honest. Join us in celebrating Alex Russell!
www.speedcurve.com
April 9, 2025 at 4:24 PM
We are thrilled to recognize @infrequently.org as this month's @speedcurve.com Performance Hero. Alex is honest, direct and extremely passionate in his fight for keeping the web platform alive and accessible for all. #perfhero
www.speedcurve.com/blog/perform...
www.speedcurve.com/blog/perform...