Identify bottlenecks.
Spot what is slowing your web application down, straight from Chrome DevTools.
Live-coding workshop 100% free
Web performance in practice.
With Chrome DevTools.
Join Julian Jandl for a hands-on session on web performance analysis with Chrome DevTools: identify performance bottlenecks, investigate their root causes, and improve the speed and responsiveness of your web applications.
No fee, no ticket needed. Register with your e-mail and we will send you the link to join. With Julian Jandl · software engineer and speaker focused on web performance.
MEASURE · FIND · IMPROVE
Julian JandlSoftware engineer & speaker · web performance
Under the profiler
See the problem on the page and its trace on the timeline.
A slow page goes under Chrome DevTools: the Performance timeline shows one long blocking task. Spot it, fix it, and watch the page turn fast and responsive.
Measure → Find → Improve
fast & responsive
What we'll use
Chrome DevToolsPerformance panelCore Web VitalsLighthouse
Registration Free
Save your seat.
It's free.
Hands-on web performance analysis with Julian Jandl using Chrome DevTools: find the bottlenecks, understand why they happen, and make your app faster. Online, no fee, no conference ticket needed.
Free registration
Enter your e-mail below. That's all.
- You get the link to join the live session by e-mail.
- We send you the full agenda as soon as it is ready.
- No payment, no card, no ticket.
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Investigate root causes.
Go beyond the symptom and understand why the bottleneck happens in the first place.
Improve speed & responsiveness.
Apply what you find to make your web application faster and more responsive.
Agenda
Full workshop description
and agenda coming soon.
We are putting the final details together. Register now to save your seat, and we will send you the full agenda and the link to join before we start.
Save my free seat
Meet your host
Julian Jandl
Software engineer & speaker · web performance
Julian is a software engineer and speaker who spends his time making web applications faster. He enjoys digging into real performance problems and showing, hands-on, how to find and fix them.
In this session he takes a slow page into Chrome DevTools and walks through the full loop: measure, find the bottleneck, and improve speed and responsiveness.
Good to know
Before you join.
Is the workshop free?
Yes, completely. There is no fee and you do not need a conference ticket. Just register with your e-mail.
What will we do?
Hands-on web performance analysis with Chrome DevTools: identify bottlenecks, investigate their root causes, and improve the speed and responsiveness of your web applications. The full description and agenda are coming soon.
Do I need to prepare anything?
A laptop with a Chromium-based browser (Chrome preferred) is ideal if you want to follow along. Some familiarity with web development will help.
Who is it for?
Frontend and full-stack developers who want practical, hands-on web performance skills.
When does it take place?
The workshop takes place on Monday, 26 October 2026 at 18:00 CET (Europe/Warsaw).
How do I join?
Register with your e-mail in the form above. You will receive the link to the live session by e-mail, plus a reminder before we start.
Ready? Free
Save your free seat for Monday, 26 October.
Takes 10 seconds. You only need an e-mail address.
Save my free seat