Lightnews — Scholar-powered news

Tim Kadlec @tkadlec.bsky.social · 9h

If your industry would die if you did the right thing perhaps it's not a good industry?

The Verge @theverge.com · May 26

Nick Clegg says asking artists for use permission would ‘kill’ the AI industry

Paul McCartne, Elton John and others signed an open letter.

buff.ly

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Tim Kadlec @tkadlec.bsky.social · 11h

Got the slides up now. noti.st/tkadlec/gIzx...

One Step Ahead by Tim Kadlec

As the web grows more powerful, so do user expectations. What feels fast today will be slow tomorrow, and meeting current performance standards will soon be the bare minimum. The real winners will be ...

noti.st

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Tim Kadlec @tkadlec.bsky.social · 6d

New case study on wpostats.com

Relive improved LCP by 50% and cut out layout shifts and saw a 3% increase in conversion rate, 6% decrease in bounce rate and 9% increase in page views per session.

wpostats.com/2025/10/02/r...

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Tim Kadlec @tkadlec.bsky.social · 23d

Been a hot minute, but working through some of the case studies that were submitted to wpostats.com but not yet put live.

Starting with a pair of INP-relevant studies from PubTech and ContentSquare. wpostats.com/2025/09/15/p... & wpostats.com/2025/09/15/c...

Consent Management Platforms (CMPs) are tools that help websites comply with privacy regulations by obtaining user consent for the use of cookies and tracking technologies. In addition to the primary ...

wpostats.com

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Tim Kadlec @tkadlec.bsky.social · Jul 2

Specs?

Where we're going, we don't _need_ specs.

a man driving a car with the words where we 're going we don 't need on the bottom

ALT: a man driving a car with the words where we 're going we don 't need on the bottom

media.tenor.com

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Tim Kadlec @tkadlec.bsky.social · Jul 2

👀 Safari plans to ship LCP and INP in 2025?! Be still my beating heart. webkit.org/blog/16458/a...

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Tim Kadlec @tkadlec.bsky.social · Jul 1

This is incredible data from @dbelson.com showing HTML requests from crawlers versus referrals from that platform. Very easy to see the cost of AI here.

ClaudeBot: 70.9k requests : 1 referral (!!!)
OpenAI: 1.6K : 1
Perplexity: 202.4 : 1
blog.cloudflare.com/ai-search-cr...

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Tim Kadlec @tkadlec.bsky.social · Jun 26

Pumped for this. The line-up is stacked (with more coming soon) & the community around the event has gotten better and better each year with amazing conversations throughout, side events, large standards & browser involvement—it's wild to think about how this has taken off from its 1st year.

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

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Tim Kadlec @tkadlec.bsky.social · Jun 22

Lake Superior remains undefeated

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Tim Kadlec @tkadlec.bsky.social · Jun 6

For those of you who watched my talk at @webexpo.bsky.social, the bug I mentioned regarding speculation rules and GET/POST looks like it should be fixed in Chrome v138. chromium-review.googlesource.com/c/chromium/s...

h/t @tunetheweb.com

Gerrit Code Review

chromium-review.googlesource.com

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Tim Kadlec @tkadlec.bsky.social · Jun 3

feel like that's a new bio pic everywhere possible

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Tim Kadlec @tkadlec.bsky.social · May 30

Likewise! :)

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Tim Kadlec @tkadlec.bsky.social · May 30

Got em!

So far....

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Reposted by Tim Kadlec

Tammy Everts 🍁 @tammyeverts.com · May 30

Thanks again to everyone who came to my #WebExpo talk about the intersection of site speed, #UX and business metrics – and how to make a data-driven business case for investing in #webperf.

My slides are up. I'd love to hear your questions and feedback!

speakerdeck.com/tammyeverts/...

Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]

What do the most successful websites have in common? They’re all fast. Faster sites have happier users. Those happy users visit your site more often and…

speakerdeck.com

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Tim Kadlec @tkadlec.bsky.social · May 30

Heading home after a great #webexpo with a nice mix of old friends and new. Doesn't hurt that Prague is beautiful with ample dessert options. :)

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Tim Kadlec @tkadlec.bsky.social · May 30

Yay! Can't wait to see you again, Marcy!

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Reposted by Tim Kadlec

Marcy Sutton Todd @marcysutton.com · May 30

I’m speaking at @perfnow.nl this October about Accessibility and Performance! Super looking forward to it. 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

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Tim Kadlec @tkadlec.bsky.social · May 27

Well done! :)

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Tim Kadlec @tkadlec.bsky.social · May 26

It has arrived. I'm back in business.

I also now smell better.

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Tim Kadlec @tkadlec.bsky.social · May 26

Paris from the looks of it. :)

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Tim Kadlec @tkadlec.bsky.social · May 26

Concur!

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Tim Kadlec @tkadlec.bsky.social · May 26

In all my years of flying, my luggage has been lost three times and three times only.

I have been to Prague three times and three times only.

The venn diagram is a full circle.

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Tim Kadlec @tkadlec.bsky.social · Apr 9

Agreed! If you're gonna use some sort of AI support, this is the way to do it.

Today, the AI chat bots are more often annoying than helpful. Need the escape valve.

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Tim Kadlec @tkadlec.bsky.social · Apr 9

Too real

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Tim Kadlec @tkadlec.bsky.social · Apr 9

Yeah we definitely need the "press 0" equivalent in AI chat bot land