FrontKon - Prague's Frontend Conference

FrontKon - Prague's Frontend Conference Prague's Frontend Conference. High-End Content. Community Soul. Tickets 👉🏼 frontkon.tech

5-6th October 2026 Prague, O2 Universum

One wrong Service Worker update can lock your users on a broken version forever. Here is how to do it right. 🚨Caching da...
07/09/2026

One wrong Service Worker update can lock your users on a broken version forever. Here is how to do it right. 🚨

Caching data at the client edge is the ultimate way to boost frontend performance, but managing offline storage at scale requires serious architectural precision.

Catch Dominik Dvořák (Senior Frontend Developer at Livesport.cz) live on our Partner Stage at !

💡 What you will learn:
• Battle-tested caching patterns for high-concurrency web apps.
• How to safely invalidate and version Service Worker caches.
• Implementing a reliable killswitch when production incidents strike.

Stop wasting bandwidth and start caching like a pro.

📍 Partner Stage | 🇨🇿 Presented in Czech
🎟️ Join us at FrontKon in October. Secure your spot today: www.frontkon.tech

🙌 Special thanks to Livesport.cz for their support as our conference partner!

04/09/2026

Join us for half-day workshop about accessibility in React lead by Manuel Matuzović - developer, well-known blogger and accessibility expert.

By the end of this session, you will no longer see accessibility as a burden, but as a tool for building better products for everyone.

Visit www.frontkon.tech for more details of workshops and conference.

See you in Prague!

Everyone knows they should write E2E tests. Almost nobody enjoys doing it. 🤖🧪What if AI could explore your web app, gene...
03/09/2026

Everyone knows they should write E2E tests. Almost nobody enjoys doing it. 🤖🧪

What if AI could explore your web app, generate fully functional Playwright tests, and automatically fix them when your UI changes?

We are excited to welcome Martin Krištof, Senior Engineer from Apify to the Partner Stage!

In his talk, Stop Writing Playwright Tests: Let AI Generate Them, Martin will demonstrate live how AI agents automate the entire end-to-end testing workflow using the latest Playwright tooling (CLI + installable Skills) paired with Claude Code.

What you will learn:

• How AI agents explore an application and write real Playwright tests in a browser.

• How self-healing tests automatically repair themselves after UI updates.

• Where AI testing works surprisingly well, and where human judgment is still strictly required.

Stop wrestling with brittle test suites. Come see where test automation is heading next!

📍 Partner Stage | 🇬🇧 Presented in English
🎟️ Join us at FrontKon in October. Secure your spot today: www.frontkon.tech

🤝 Powered by Apify: A huge thank you to Apify for supporting this year and making sure we unwind properly by hosting the official Afterparty!

Get ready for great tech talks during the day and even better conversations at night. 🥂

You are spending way too much mental energy on things your compiler should be doing for you. 🧠React Compiler, Svelte, So...
02/09/2026

You are spending way too much mental energy on things your compiler should be doing for you. 🧠

React Compiler, Svelte, Solid ... The biggest shift in modern frontend isn't a new library. It's the move from runtime magic to smart UI compilers.

If you want to build faster apps with significantly less boilerplate and zero manual optimization headaches, this is the talk you cannot afford to miss.

We are thrilled to welcome Matheus Albuquerque to the stage!

In his talk, Compilers, User Interfaces & the Rest of Us, Matheus will demystify how modern UI compilers work under the hood - and why they are about to revolutionize your daily developer experience.

💡 Why you need to be in the room:
• Stop over-optimizing by hand: Learn how static analysis takes over reactive programming and performance tuning.
• Behind the scenes: See how open-source and enterprise compiler architectures are actually designed.

• Future-proof your skills: Understand where frontend engineering is heading in 2026 and beyond.

Stop wrestling with manual reactivity. Let the compiler do the heavy lifting.
🎟️ Join us at this October. Secure your spot today: www.frontkon.tech

01/09/2026

No CGI was used to make this video. 🎬
Watch until the end to see our behind-the-scenes secret! 😂
And don't forget to buy your FrontKon ticket ➡️ www.frontkon.tech

See you in 36 days! 🚀

Are SOLID principles dead in modern JavaScript? Or have we just been applying them wrong? 🏗️Single Responsibility, Open-...
31/08/2026

Are SOLID principles dead in modern JavaScript? Or have we just been applying them wrong? 🏗️
Single Responsibility, Open-Closed, Liskov Substitution, Interface Segregation, Dependency Inversion. We've all heard of them, but many frontend devs assume they only belong to classic Object-Oriented Programming.

Think again.

We are excited to welcome Milan Herda, Leader of an Expert Team for Frontend and JavaScript at Alma Career Slovakia, to the stage!

In his talk, SOLID Principles in JavaScript, Milan will break down all five foundational design principles and show how they apply to TypeScript and JavaScript - even if you don't write a single class.

💡 What you will learn:
• How to apply SOLID to functional JS/TS paradigms.
• Practical patterns for writing code that is genuinely easier to maintain and extend.
• How to evaluate when these principles help your architecture versus when they add unnecessary complexity.

🇨🇿 Note on Language: This talk will be presented exclusively in Czech (no live English translation available for this session).

🔗 Check the full program and get your tickets today: https://www.frontkon.tech

💙 A huge thank you to Alma Career Slovakia & Alma Career Czechia for supporting again this year!

28/08/2026

Sylwia Laskowska (Senior JS Dev & Tech Lead) is coming to to challenge how we think about browser ex*****on layers!
Press play on her video invitation to see what she’s preparing for you 🎬

🎤 In her talk, Sylwia will run a live demo comparing JavaScript, WebAssembly, and WebGPU on the exact same problem - showing us where traditional approaches stop scaling and where the future of browser performance is headed.
Stop guessing and start choosing the right ex*****on layer. ⚡

🎟️ Grab your tickets now: www.frontkon.tech

27/08/2026

Join the vibe in Prague. Learn from the industry experts. This October.

Are you joining?

Think EU regulations don't affect your code? Think again.Starting September 2026, a new EU mandate will hit software dev...
27/08/2026

Think EU regulations don't affect your code? Think again.

Starting September 2026, a new EU mandate will hit software developers harder than the AI Act ever could. And the EU doesn't care whether you're an enterprise or a solo dev vibe-coding an app.

We are thrilled to welcome Karel Navrátil back to the stage for the final part of his legal trilogy!

🛑 The nightmare scenario is already here:
Just recently, a maintainer's GitHub account for the popular keyv package was hijacked. Within hours, malware infected hundreds of npm packages with over 2 billion monthly downloads - silently stealing AWS tokens, SSH keys, .env files, and dev AI configs via a simple npm install.

👉🏼 Here’s the catch:
Under new EU rules, if a third-party dependency compromises your app, YOU are legally responsible for reporting it within 24 hours. No excuses, no liability waivers in your Terms of Service.

🧠 What you'll learn in Karel's talk:
• Why AI won't save you from supply-chain attacks (it actually makes it worse).
• What an SBOM (Software Bill of Materials) is and why you legally need one.
• How to survive the incoming EU software compliance epidemic.

🇨🇿 Presented in Czech with 🇬🇧 Live English Translation

Are you ready for the new regulations, or are you still searching for compromised packages with grep? 😅
🎟️ Secure your spot now 👉🏼 frontkon.tech

Be honest: when was the last time you manually cleaned up old feature flags? 🧟‍♂️Frontend monorepos often become feature...
26/08/2026

Be honest: when was the last time you manually cleaned up old feature flags? 🧟‍♂️

Frontend monorepos often become feature-flag graveyards. Outreach's repo had over 3,200 flags - hundreds of them long rolled out, causing slower builds, degraded app startup, and the occasional production incident.

Nobody wants to clean them up by hand. So Palo Otčenáš built an autonomous AI agent in CI to do it for them.

We are excited to welcome Palo to the Partner Stage!

🎤 In his talk, Palo will share how he built CI agents that hunt dead flags, verify deletion safety, file Jira tickets, and open pull requests ready to merge.

What you will learn:

• Why a simple cleanup script fails (and why safety checks are 90% of the game).

• How GitHub Actions + AI agents interact across 6 different systems.

• The hardest part: why getting developers to actually care was harder than the tech itself.

No hype, no fluff - just real patterns you can take home to build your own CI agents.

Get your tickets today 👉🏼 www.frontkon.tech

🤝 Powered by Outreach: A big thank you to Outreach for supporting again this year!

Adresa

Praha

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