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performance.now() conference @perfnow.nl · 8d

Schedule schedule on the wall, who has the best line-up of them all?

perfnow.nl/schedule.html

Screenshot of the performance.now() conference schedule. Follow the link in the main text to read it.

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performance.now() conference @perfnow.nl · 8d

From a purely objective point of view we agree with these sentiments.

Dave Letorey @letorey.co.uk · 8d

I about 4 weeks time I'm going to Amsterdam for perfnow.nl you should go too because:
#PerformanceMatters
The community is great
The speakers are fantastic
and you might see a sword fight on stage
cc @perfnow.nl

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

performance.now() conference @perfnow.nl · 13d

performance.now() is coming!

Every byte shipped carries a carbon cost. @inesakrap.bsky.social will present insights from the Sustainable Web Guidelines that result in a site that is not only fast, but also green and responsible.

perfnow.nl/speakers.html#ines

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

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performance.now() conference @perfnow.nl · 14d

performance.now() is coming!

LCP and INP measure loading and responsiveness of entire pages – but same-document soft navigations were much harder to measure. Until now! @mmocny.com will explain how new Performance APIs make this possible.

perfnow.nl/speakers.html#michal

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

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Reposted by performance.now() conference

Vinicius Dallacqua @webx.bsky.social · 18d

Wrapping up the writting part for my talk at @perfnow.nl this weekend and I'm beyond excited for this one. Prepare for a deep dive folks!

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performance.now() conference @perfnow.nl · 20d

performance.now() is coming!

Umar Hansa will teach you about automated workflows using coding agents that work with the DevTools protocol, browser automation, and Model Context Protocol, and will show how these tools can be integrated into your development process.

perfnow.nl/speakers.htm...

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

performance.now() conference @perfnow.nl · 21d

performance.now() is coming!

The Long Tasks API told us that our scripts were busy, but didn't tell us why. The new Long Animation Frames (LoAF) API provides details on what Main Thread activity caused the long frame. @andydavies.me explains.

perfnow.nl/speakers.htm...

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 3

performance.now() conference @perfnow.nl · 22d

performance.now() is coming!

As tooling improves, is performance testing becoming any easier? @csswizardry.com, who spends every day auditing client projects,, thinks confusion has increased. Let's ensure that every test we run has a purpose and gives us useful data.

perfnow.nl/speakers.htm...

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 3 3

performance.now() conference @perfnow.nl · 23d

performance.now() is coming!

@tammyeverts.com asks a seemingly-simple question: How Fast Is Fast Enough? She'll touch on questions — ranging from neuroscience to business metrics — to get you thinking about how you create, measure, and report your performance goals.

perfnow.nl/speakers.htm...

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

2 5

performance.now() conference @perfnow.nl · 28d

performance.now() is coming!

Nothing's set in stone, but @tunetheweb.com may speculate about the Speculation Rules API that speculates about future navigations. We speculate that he may even speculate about what you can expect in the near future.

perfnow.nl/speakers.htm...

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 1 1

performance.now() conference @perfnow.nl · 29d

performance.now() is coming!

Signal-based fine-grained reactivity works great, but @rich-harris.dev feels there's more to performance than updating the screen at 60 fps. We'll learn about new approaches that help you build fast, reliable, data-efficient apps.

perfnow.nl/speakers.htm...

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 1 4

performance.now() conference @perfnow.nl · Sep 8

performance.now() is coming!

@marcysutton.com explains how designing for accessibility contributes to better experiences, and why subtle choices — like which elements receive focus — lead to better products. She’ll also talk about the legal context in Europe.

perfnow.nl/speakers.htm...

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 2 5

performance.now() conference @perfnow.nl · Sep 4

performance.now() is coming!

@ethangardner.com will offer practical tips on presenting engineering data as a competitive advantage, a revenue driver, and a tool for enhancing user experience to help make performance optimization a strategic priority.

perfnow.nl/speakers.htm...

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 2 1

performance.now() conference @perfnow.nl · Sep 3

performance.now() is coming!

@webx.bsky.social [] will explain how he built a Performance AI assistant and agentic workflow on top of a fork of Chrome DevTools. Few AI systems can reason with the complex reality of performance data. Learn how to solve that.

perfnow.nl/speakers.htm...

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 1 4

performance.now() conference @perfnow.nl · Sep 2

performance.now() is coming!

@adevnadia.bsky.social will provide a deep dive into the new React Server Components. How does the app render in the browser? What are their performance implications? How do they compare to traditional SSR and CSR techniques?

perfnow.nl/speakers.htm...

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 4 3

performance.now() conference @perfnow.nl · Sep 1

performance.now() is coming!

The night before the conference, 29th of October, @mozilla.org organises performance.sync(), the pre-meetup where you can meet your peers to mentally prepare for two days of information overload. They're also looking for a few people to present.
luma.com/ziykhh4y

performance.sync() 2025 · Luma

performance.sync() is a meet-up taking place on the evening before the performance.now on Wednesday October 29th! We are looking for speakers! Submit your…

luma.com

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Reposted by performance.now() conference

performance.now() conference @perfnow.nl · Jun 25

performance.now(), the web performance conference, 30th and 31st of October, Amsterdam. Single track, the best speakers in the industry, plenty of your performance-mad peers around to have fascinating conversations. What's not to like? Let's introduce our speakers ...
perfnow.nl

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 20 29

performance.now() conference @perfnow.nl · Jun 25

... and finally our co-chairs @tkadlec.bsky.social (MC), @tammyeverts.com, and @csswizardry.com, as well as extra-special returning MC @philhawksworth.dev. They will form the bedrock of continuity that the conference rests on.
perfnow.nl/speakers.html

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

4

performance.now() conference @perfnow.nl · Jun 25

Then @inesakrap.bsky.social will talk about the CO2 implications of JS files and sustainability in general, while @ethangardner.com will tell you how to make and maintain performance allies that work towards the same goals as you do
perfnow.nl/speakers.html

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 3

performance.now() conference @perfnow.nl · Jun 25

Umar Hansa will open up his vast DevTools knowledge and teach you some tricks you didn't even know were possible, while @webx.bsky.social will connect DevTools output to AI to show what it can do with the data.
perfnow.nl/speakers.html

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 4

performance.now() conference @perfnow.nl · Jun 25

We have @marcysutton.com to explain the relation between a11y and performance because faster is more accessible, while @michael-hladky.bsky.social will share from his wealth of experience as a practical performance worker.
perfnow.nl/speakers.html

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 2 4

performance.now() conference @perfnow.nl · Jun 25

Then @mmocny.com will dive deeply into measuring interactions, and @andydavies.me will discuss the new Long Animation Frames API.
perfnow.nl/speakers.html

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 2

performance.now() conference @perfnow.nl · Jun 25

We're happy @rich-harris.dev will come to talk about low-fat data - whether he'll discuss carbs as well is unknown at press time.
perfnow.nl/speakers.html

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 1 11

performance.now() conference @perfnow.nl · Jun 25

performance.now(), the web performance conference, 30th and 31st of October, Amsterdam. Single track, the best speakers in the industry, plenty of your performance-mad peers around to have fascinating conversations. What's not to like? Let's introduce our speakers ...
perfnow.nl

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

1 20 29

performance.now() conference @perfnow.nl · Jun 23

Lots of new speakers added. 2025 starter pack created. Time to get this show on the road.

perfnow.nl

go.bsky.app/3tyzfGe

performance.now(); 30th and 31st of October, Amsterdam

On 30th and 31st of October, 2025, the sixth edition of performance.now() will take place in Amsterdam—a single track conference, covering today’s most important web performance insights.

perfnow.nl

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