Our Web Performance Journey guide is live on PerfPlanet Calendar!
Web Performance Calendar day 30 with @sergeyche.dev, Eric Goldstein and Alex Chernyshev on mastering perf: get business to care, link UX speed to outcomes, set thresholds, understand real users with percentiles, trends, distributions, tie to business metrics
calendar.perfplanet.com/2025/7-steps...
calendar.perfplanet.com/2025/7-steps...
7 Steps of a Web Performance Journey
This year, Sergey Chernyshev, Eric Goldstein, and Alex Chernyshev - members of the NY Web Performance meetup - decided to collaborate on the future of the UX Speed Calculator tool Sergey created a few...
calendar.perfplanet.com
December 30, 2025 at 4:41 PM
Our Web Performance Journey guide is live on PerfPlanet Calendar!
I really love the page transition on PerfPlanet’s Calendar 🤩
Smooth details like this make a big difference in web performance and UX.
#WebPerf #PerfPlanet #UX
Smooth details like this make a big difference in web performance and UX.
#WebPerf #PerfPlanet #UX
December 10, 2025 at 12:10 PM
I really love the page transition on PerfPlanet’s Calendar 🤩
Smooth details like this make a big difference in web performance and UX.
#WebPerf #PerfPlanet #UX
Smooth details like this make a big difference in web performance and UX.
#WebPerf #PerfPlanet #UX
Is PerfPlanet going to set camp on Bluesky (or Mastodon)? Asking for proper attribution with @frontenddogma.com 🙂
December 2, 2025 at 6:33 PM
Is PerfPlanet going to set camp on Bluesky (or Mastodon)? Asking for proper attribution with @frontenddogma.com 🙂
Fellow #perfnow fellows, a reminder that PerfPlanet calendar is coming this December for another edition. And it needs YOU. Please ask if you have any contribution ideas or concerns calendar.perfplanet.com/contribute/
Contribute
Passionate about a topic? Working on a new tool? Have a technique you want to teach? Research you've done? Tell the web performance community!
Send your articles to [email protected]. Please include:
...
calendar.perfplanet.com
October 30, 2025 at 4:59 PM
Fellow #perfnow fellows, a reminder that PerfPlanet calendar is coming this December for another edition. And it needs YOU. Please ask if you have any contribution ideas or concerns calendar.perfplanet.com/contribute/
This month's most popular perfplanet article (according to google search console) calendar.perfplanet.com/2023/digging... by @anniesullie.com
Digging through Chrome traces: an introduction with an example
Introduction to Chrome tracing
What is a Chrome trace?
If you're just getting started learning about tracing, you should read this fantastic introduction from the Perfetto tracing documentation. I l...
calendar.perfplanet.com
April 9, 2025 at 12:12 AM
This month's most popular perfplanet article (according to google search console) calendar.perfplanet.com/2023/digging... by @anniesullie.com
Correlation or Causation: How Web Performance Proves Its Value, by @[email protected]:
Correlation or Causation: How Web Performance Proves Its Value
calendar.perfplanet.com
January 11, 2025 at 8:30 AM
Correlation or Causation: How Web Performance Proves Its Value, by @[email protected]:
Alex Hamer’s perfplanet calendar article is on Hacker News news.ycombinator.com/item?id=4264...
Not Every User Owns an iPhone | Hacker News
news.ycombinator.com
January 9, 2025 at 4:38 PM
Alex Hamer’s perfplanet calendar article is on Hacker News news.ycombinator.com/item?id=4264...
Fabulous Font-Face Fallbacks, by @[email protected] (@[email protected]):
Fabulous Font-Face Fallbacks
calendar.perfplanet.com
January 5, 2025 at 9:30 PM
Fabulous Font-Face Fallbacks, by @[email protected] (@[email protected]):
Breaking Up With Long Tasks or: How I Learned to Group Loops and Wield the Yield, by @[email protected] (@[email protected]):
Breaking Up With Long Tasks or: How I Learned to Group Loops and Wield the Yield
calendar.perfplanet.com
January 5, 2025 at 9:30 AM
Breaking Up With Long Tasks or: How I Learned to Group Loops and Wield the Yield, by @[email protected] (@[email protected]):
Designing Websites for Bad Performance, by @[email protected] (@[email protected]):
Designing Websites for Bad Performance
calendar.perfplanet.com
January 4, 2025 at 7:30 PM
Designing Websites for Bad Performance, by @[email protected] (@[email protected]):
HN front page has @rviscomi.dev's perfplanet article, wo-hoo! news.ycombinator.com/item?id=4259...
Breaking Up with Long Tasks or: how I learned to group loops and wield the yield | Hacker News
news.ycombinator.com
January 4, 2025 at 6:14 PM
HN front page has @rviscomi.dev's perfplanet article, wo-hoo! news.ycombinator.com/item?id=4259...
Speculative Loading and the Speculation Rules API, by @qcn.bsky.social (@[email protected]):
Speculative Loading and the Speculation Rules API
calendar.perfplanet.com
January 4, 2025 at 9:30 AM
Speculative Loading and the Speculation Rules API, by @qcn.bsky.social (@[email protected]):
My Favorite Web Performance Graphs of the Year, by @fabkru.bsky.social (@[email protected]):
My Favorite Web Performance Graphs of the Year
calendar.perfplanet.com
January 3, 2025 at 9:30 PM
My Favorite Web Performance Graphs of the Year, by @fabkru.bsky.social (@[email protected]):
Don’t Let Your Redesign Ruin Performance: A Case Study, by @machal.bsky.social (@[email protected]):
Don’t Let Your Redesign Ruin Performance: A Case Study
calendar.perfplanet.com
January 3, 2025 at 8:30 AM
Don’t Let Your Redesign Ruin Performance: A Case Study, by @machal.bsky.social (@[email protected]):
Using DevTools to Validate Web Performance Improvements, by @[email protected] (@[email protected]):
Using DevTools to Validate Web Performance Improvements
calendar.perfplanet.com
January 1, 2025 at 9:30 AM
Using DevTools to Validate Web Performance Improvements, by @[email protected] (@[email protected]):
Build Your Own Site Speed Testing Tool With Puppeteer, by @[email protected] (@[email protected]):
Build Your Own Site Speed Testing Tool With Puppeteer
calendar.perfplanet.com
December 29, 2024 at 8:30 PM
Build Your Own Site Speed Testing Tool With Puppeteer, by @[email protected] (@[email protected]):
Unattributed Navigation Overhead (UNO), by @[email protected] (@[email protected]):
Unattributed Navigation Overhead (UNO)
calendar.perfplanet.com
December 27, 2024 at 9:30 AM
Unattributed Navigation Overhead (UNO), by @[email protected] (@[email protected]):
The Curious (Performance) Case of CSS “@ import”, by @[email protected] (@[email protected]):
The Curious (Performance) Case of CSS “@ import”
calendar.perfplanet.com
December 26, 2024 at 8:30 AM
The Curious (Performance) Case of CSS “@ import”, by @[email protected] (@[email protected]):
Putting Performance in Relatable Terms, by @[email protected] (@[email protected]):
Putting Performance in Relatable Terms
calendar.perfplanet.com
December 24, 2024 at 8:30 PM
Putting Performance in Relatable Terms, by @[email protected] (@[email protected]):
When Users Interact, by @bluesmoon.info (@[email protected]):
When Users Interact
calendar.perfplanet.com
December 23, 2024 at 11:30 PM
When Users Interact, by @bluesmoon.info (@[email protected]):
Detecting Web Performance Regressions Using Statistical Tools, by @peterhedenskog.com (@[email protected]):
Detecting Web Performance Regressions Using Statistical Tools
calendar.perfplanet.com
December 22, 2024 at 7:30 PM
Detecting Web Performance Regressions Using Statistical Tools, by @peterhedenskog.com (@[email protected]):
Data-Driven SEO and Web Performance, by @[email protected] (@[email protected]):
Data-Driven SEO and Web Performance
calendar.perfplanet.com
December 22, 2024 at 8:30 AM
Data-Driven SEO and Web Performance, by @[email protected] (@[email protected]):
Creating Shared Ownership for Web Performance From a Cryptic CSS Values, by @[email protected]:
Creating Shared Ownership for Web Performance From a Cryptic CSS Values
calendar.perfplanet.com
December 21, 2024 at 9:30 PM
Creating Shared Ownership for Web Performance From a Cryptic CSS Values, by @[email protected]:
Towards Measuring INP on All Browsers and Devices, by @ivailohristov.bsky.social (@[email protected]):
Towards Measuring INP on All Browsers and Devices
calendar.perfplanet.com
December 20, 2024 at 9:30 PM
Towards Measuring INP on All Browsers and Devices, by @ivailohristov.bsky.social (@[email protected]):
Goodhart’s Law in Action: 3 Webperf Examples, by @[email protected] (@[email protected]):
Goodhart’s Law in Action: 3 Webperf Examples
calendar.perfplanet.com
December 17, 2024 at 8:30 PM
Goodhart’s Law in Action: 3 Webperf Examples, by @[email protected] (@[email protected]):