Johannes Henkel's Avatar

Johannes Henkel

@powdercloud.bsky.social

I work on the Chrome User Experience Report (CrUX). Opinions (if any) are my own.

90 Followers  |  143 Following  |  5 Posts  |  Joined: 25.11.2024  |  1.6706

Latest posts by powdercloud.bsky.social on Bluesky

πŸ†• The 202511 Chrome User Experience (CrUX) release is now live on BigQuery!

Check out the announcement post for the full info:
groups.google.com/a/chromium.o...

Highlights below πŸ‘‡

🧡 1/3

09.12.2025 12:06 β€” πŸ‘ 5    πŸ” 3    πŸ’¬ 1    πŸ“Œ 0
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πŸ†• The 202510 Chrome User Experience (CrUX) release is now live on BigQuery!

Check out the announcement post for the full info:
groups.google.com/a/chromium.o...

Highlights below πŸ‘‡

🧡 1/3

11.11.2025 09:38 β€” πŸ‘ 8    πŸ” 3    πŸ’¬ 1    πŸ“Œ 1

πŸ†• The 202509 Chrome User Experience (CrUX) release is now live on BigQuery!

Check out the announcement post for the full info:
groups.google.com/a/chromium.o...

Highlights below πŸ‘‡

🧡 1/7

14.10.2025 17:21 β€” πŸ‘ 8    πŸ” 3    πŸ’¬ 1    πŸ“Œ 0

πŸ†• The 202508 Chrome User Experience (CrUX) release is now live on BigQuery!

Check out the announcement post for the full info:
groups.google.com/a/chromium.o...

Highlights below πŸ‘‡

🧡 1/3

09.09.2025 09:55 β€” πŸ‘ 12    πŸ” 4    πŸ’¬ 2    πŸ“Œ 0

πŸ†• The 202507 Chrome User Experience (CrUX) release is now live on BigQuery!

Check out the announcement post for the full info:
groups.google.com/a/chromium.o...

Highlights below πŸ‘‡

🧡 1/4

12.08.2025 11:46 β€” πŸ‘ 6    πŸ” 4    πŸ’¬ 1    πŸ“Œ 0
Preview
New Soft Navigations origin trial Β |Β  Blog Β |Β  Chrome for Developers New Soft Navigations origin trial launching to help measure Core Web Vitals for Single Page Applications (SPAs)

Wanna measure Core Web Vitals for for SPAs?

Well we've been working on the Soft Navigations API for that and we're launching a new origin trail from Chrome 139.

More details here:
developer.chrome.com/blog/new-sof...
And the docs have also been updated: developer.chrome.com/docs/web-pla...

31.07.2025 17:50 β€” πŸ‘ 15    πŸ” 8    πŸ’¬ 1    πŸ“Œ 0
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πŸ†• The 202506 Chrome User Experience (CrUX) release is now live on BigQuery!

Check out the announcement post for the full info:
groups.google.com/a/chromium.o...

Highlights below πŸ‘‡

🧡 1/3

08.07.2025 09:28 β€” πŸ‘ 9    πŸ” 5    πŸ’¬ 2    πŸ“Œ 1

πŸ†• The 202505 Chrome User Experience (CrUX) release is now live on BigQuery!

Check out the announcement post for the full info:
groups.google.com/a/chromium.o...

Highlights below πŸ‘‡

🧡 1/3

10.06.2025 16:32 β€” πŸ‘ 8    πŸ” 3    πŸ’¬ 1    πŸ“Œ 0

I work on a site which had really bad CLS scores.

But it wasn’t β€œreal CLS”, it was due to a graph tooltip that showed on hover (which doesn’t count as a user interaction, for good reasons), and followed the user as they panned along the graph.

So I put off fixing it as it wasn’t a priority.

🧡1/6

14.05.2025 06:21 β€” πŸ‘ 22    πŸ” 5    πŸ’¬ 1    πŸ“Œ 0
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πŸ†• The 202504 Chrome User Experience (CrUX) release is now live on BigQuery!

Check out the announcement post for the full info:
groups.google.com/a/chromium.o...

Highlights below πŸ‘‡

🧡 1/6

13.05.2025 14:19 β€” πŸ‘ 4    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0
Preview
GitHub - GoogleChrome/web-vitals: Essential metrics for a healthy site. Essential metrics for a healthy site. Contribute to GoogleChrome/web-vitals development by creating an account on GitHub.

We've just published v5.0.0 of the web-vitals JavaScript library for measuring Core Web Vitals.

github.com/GoogleChrome...

As a major release, this includes a number of breaking changes as detailed in the upgrading doc:

github.com/GoogleChrome...

Please read carefully before upgrading.

1/5 🧡

07.05.2025 19:50 β€” πŸ‘ 48    πŸ” 13    πŸ’¬ 1    πŸ“Œ 2
Screenshot of Calibre's free Core web vitals test tool. Largest Contentful Paint metric is displayed for calibreapp.com, observed at 2.13 seconds.

Screenshot of Calibre's free Core web vitals test tool. Largest Contentful Paint metric is displayed for calibreapp.com, observed at 2.13 seconds.

πŸ†• Core Web Vitals test tool update:

Now you can view up to 40 weeks (~9 months) of metrics for your sites.

Data fetched **fresh daily** from Google directly.

Enter URL, get a free #webperf dashboard πŸ‘‡
calibreapp.com/tools/core-web-vitals-test

29.04.2025 04:36 β€” πŸ‘ 13    πŸ” 3    πŸ’¬ 0    πŸ“Œ 0
Teeny, tiny, history link in PageSpeed Insights.

Teeny, tiny, history link in PageSpeed Insights.

Small quality of life improvement to PageSpeed Insights

pagespeed.web.dev

You can now click this link to quickly flip over to CrUX Vis to see the historical Core Web Vitals trends for whatever view you're looking at (mobile/desktop and URL/origin):

29.04.2025 06:55 β€” πŸ‘ 10    πŸ” 4    πŸ’¬ 0    πŸ“Œ 0
A screenshot of a GitHub README with the following content:  ## SVG Badges  You can now embed Core Web Vitals metrics in your GitHub README or documentation using our SVG badges:  A small example badge with the words 'roe.dev' against a black background, with 'CWV Pass' against a green background.  ### Badge Options  You can customize the badges with different metrics and styles:  #### Metrics  Three examples showing different metrics for LCP, CLS and INP.  #### Styles  Three examples showing slightly different visual styles (flat, flat-square and plastic).

A screenshot of a GitHub README with the following content: ## SVG Badges You can now embed Core Web Vitals metrics in your GitHub README or documentation using our SVG badges: A small example badge with the words 'roe.dev' against a black background, with 'CWV Pass' against a green background. ### Badge Options You can customize the badges with different metrics and styles: #### Metrics Three examples showing different metrics for LCP, CLS and INP. #### Styles Three examples showing slightly different visual styles (flat, flat-square and plastic).

just shipped something I think is pretty cool

πŸ‘‰ SVG badge support for page-speed.dev, meaning you can embed the performance of your site in a tiny badge ...

let me know what you think! 😊

more info at github.com/danielroe/p...

21.04.2025 16:10 β€” πŸ‘ 48    πŸ” 4    πŸ’¬ 4    πŸ“Œ 0

CrUX team continue to be on absolute FIRE! MORE DATA! πŸ₯³

You can now get up to 40 weeks data from the CrUX history API, so I've added that to my free tool here: tamethebots.com/tools/cwv-hi...

11.04.2025 11:31 β€” πŸ‘ 10    πŸ” 3    πŸ’¬ 0    πŸ“Œ 0
Preview
CrUX Vis CrUX Vis is an experiment by the Chrome team to help you explore the Chrome User Experiment Report data with visualizations and helpful links to articles, for a particular web page or origin.

For those monitoring Core Web Vitals, we made a small change to the CrUX History API used by CrUX Vis last night and now return 10 months of data, rather than 6 months of data to bring it more inline with the CrUX Dashboard that we're looking to deprecate. Enjoy!

cruxvis.withgoogle.com#/

11.04.2025 09:36 β€” πŸ‘ 24    πŸ” 5    πŸ’¬ 2    πŸ“Œ 1
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πŸ†• The 202503 Chrome User Experience (CrUX) release is now live on BigQuery!

Check out the announcement post for the full info:
groups.google.com/a/chromium.o...

Highlights below πŸ‘‡

🧡 1/7

08.04.2025 12:45 β€” πŸ‘ 8    πŸ” 6    πŸ’¬ 1    πŸ“Œ 1
Preview
Insights sidebar in the DevTools Performance panel Β |Β  Blog Β |Β  Chrome for Developers Learn about the new performance insights, the power of Lighthouse directly in the DevTools Performance panel.

New blog post by @brendankenny.bsky.social on the Insights in Perf Panel.

Have you checked them out yet? Would love to know what you all think of them as. Are they useful? Which ones are? Which ones less so? What’s missing?

developer.chrome.com/blog/devtool...

03.04.2025 08:38 β€” πŸ‘ 7    πŸ” 1    πŸ’¬ 1    πŸ“Œ 0
Screenshot from Calibre's updated Core Web Vitals test tool, including a Largest Contentful Paint (LCP) Report for bbc.co.uk. Observations show LCP observed stable at 924 ms.

Screenshot from Calibre's updated Core Web Vitals test tool, including a Largest Contentful Paint (LCP) Report for bbc.co.uk. Observations show LCP observed stable at 924 ms.

My free Core Web Vitals tool got a MAJOR glow up

🌹 Beautiful CWV Dashboard
πŸ”¬ Deep insights for LCP
πŸ—“οΈ 6 months of webperf history
πŸ‘―β€β™€οΈ Audience stats: Device types, Network Latency & more
πŸ”— Share reports instantly, just copy the URL

πŸ‘‡ Get your report here
calibreapp.com/tools/core-w...

18.03.2025 00:51 β€” πŸ‘ 33    πŸ” 9    πŸ’¬ 4    πŸ“Œ 1
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πŸ†• The 202501 Chrome User Experience (CrUX) release is now live on BigQuery!

Check out the announcement post for the full info:
groups.google.com/a/chromium.o...

Highlights below πŸ‘‡

🧡 1/5

11.03.2025 08:36 β€” πŸ‘ 9    πŸ” 6    πŸ’¬ 1    πŸ“Œ 0
LCP by phase insight in DevTools Performance panel, now with both lab LCP subparts AND field LCP subparts.

LCP by phase insight in DevTools Performance panel, now with both lab LCP subparts AND field LCP subparts.

Ohhh happy to see the CrUX field LCP subparts data coming to Chrome DevTools.

Stop wasting time optimizing your front end code, if your issue is TTFB!

28.02.2025 14:47 β€” πŸ‘ 22    πŸ” 6    πŸ’¬ 2    πŸ“Œ 0

Yay! new CrUX API goodness! LCP Type and Image Subparts are now available!, so I've added them to my free CWV History Tool here: tamethebots.com/tools/cwv-hi...

11.02.2025 22:06 β€” πŸ‘ 10    πŸ” 3    πŸ’¬ 0    πŸ“Œ 1
Post image

Awesome #CrUX update by the people from #Google (and also partially available in our free tool as well) πŸ‘

This was added:
β†’ LCP image subparts
β†’ LCP resource types
β†’ Round Trip Time (RTT) tri-bins
β†’ RTT p75 and histograms
We added #LCP resource type already as well (see attached).

1/4

11.02.2025 21:41 β€” πŸ‘ 5    πŸ” 5    πŸ’¬ 1    πŸ“Œ 0

What a beautiful surprise to get these extra fields on CrUX APIs!

Absolutely fantastic work from the Chrome team, it's hard to describe how extremely useful it is to get this level of UX insight on almost any website, for free and without having to previously convince clients to setup monitoring

11.02.2025 20:56 β€” πŸ‘ 10    πŸ” 3    πŸ’¬ 1    πŸ“Œ 0
The 202501 dataset is live

We don't have an official CrUX Bluesky account, so for the moment I'll announce the monthly releases. And we're starting with a big one!

πŸ†• The 202501 release is now live on BigQuery!

Check out the announcement post for the full info:
groups.google.com/a/chromium.o...

Highlights below πŸ‘‡

🧡 1/10

11.02.2025 20:06 β€” πŸ‘ 24    πŸ” 13    πŸ’¬ 1    πŸ“Œ 1
Preview
Do Pistachios Contain Melatonin? Some foods, including pistachios, contain melatonin, a naturally occurring protein that signals that it's time to sleep. This article looks at the research around the melatonin content of pistachios a...

Could try eating some pistachios, as there is some evidence that they may contain a good amount of melatonin (www.healthline.com/nutrition/pi...), which may help with falling asleep a while later.

11.02.2025 19:57 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 1    πŸ“Œ 0
Post image

Today, the CrUX team has shipped a new network diagnostic metric to BigQuery – Round-Trip Time.

Treo already has complete and instant support: treo.sh/sitespeed

β€’ RTT distribution
β€’ Geographical data
β€’ Configure custom RTT metric
β€’ And get the full power of BigQuery data to improve #webperf

11.02.2025 16:41 β€” πŸ‘ 3    πŸ” 2    πŸ’¬ 1    πŸ“Œ 0

The video from my closing keynote to #perfnow is out!

I talked about how to approach web performance problems--kind of a beginner's guide to becoming an expert. I hope you enjoy!

31.01.2025 18:01 β€” πŸ‘ 38    πŸ” 16    πŸ’¬ 1    πŸ“Œ 0
The 202412 dataset is live

As @tunetheweb.com announced, CrUX BigQuery now has December 2024 data. And, for CrUX data in PageSpeed Insights (pagespeed.web.dev), next to the text "Latest 28-day collection period" you can click the (?) and get the begin and end dates. Thanks @tunetheweb.com!

groups.google.com/a/chromium.o...

15.01.2025 18:40 β€” πŸ‘ 4    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
The 202411 dataset is live

groups.google.com/a/chromium.o...

As @tunetheweb.com announced, CrUX BigQuery now has November 2024 data.

10.12.2024 16:30 β€” πŸ‘ 4    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0

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