WebEvolve 2025 Annual Event

Building high-performance, cross-platform apps for mobile

AI agent and open web ecosystem

5-6 September 2025 · Hangzhou

Building high-performance, cross-platform web apps for mobile

Back in January 2025, we kicked off a conversation on "high-performance web apps" — and the discussion hasn't stopped since. The W3C High-Performance Baseline Community Group has been digging deeper into the real-world challenges of building mobile web apps today. Together with the W3C MiniApps Working Group, we've been exploring a new MiniApp model — one that's truly web-based, optimized for performance, and works seamlessly across platforms.

This new generation of MiniApps is built on modern web technologies and improved runtime engines, aiming to strike the right balance between performance, user experience, Interoperability, and openness. At this WebEvolve Annual Event, we're bringing everyone to the table — web engine teams, super app platforms, framework authors, app developers, and the wider web community — to help shape where this idea goes next. If you're building for the web, this is your chance to influence how these apps evolve.

Here’s what we’ll be focusing on:

  • API design: What kind of APIs should we provide for communication between MiniApps and web engines?
  • Interoperability: Differences in APIs, rendering engines, and lifecycle management
  • Dynamism: Can smarter JS loading and execution help improve performance and security?
  • SuperApp integration: How web apps can better integrate and distribute by platforms.
  • Web compatibility: Bridging MiniApps with Progressive Web Apps (PWAs) and traditional web standards
  • Security & Privacy: Standardized approaches for permissions, data access, and user consent
  • Tooling & development: Improving developer experience with consistent debugging and testing tools
  • Performance optimization: Standard metrics and best practices for MiniApp efficiency
  • Accessibility: Gaps in accessibility and opportunities based on W3C WAI work
  • Research: Novel applications of MiniApps in IoT, automotive, and other emerging domains
  • Globalization: How can we help more developers around the world learn and build with this kind of web based MiniApps?

If you care about fast, capable, and open web apps — especially on mobile — we’d love to hear from you. Join us to shape the next chapter of high-performance web development together.

Agenda

  • 8:30 - 9:00 Welcome / Registeration
  • 9:00 - 9:10 Opening — Chunming Hu (Beihang University, W3C Board Member）
  • 9:10 - 9:15 W3C Intro [slides] — Philippe Le Hegaret (VP of W3C, Technical Strategy Lead)

Design New High-performance Cross-device Web Applications

Collaboration on Browser Engines

  • 10:45 - 11:15 Browser Engine Updates: Global Evolution and Collaboration [slides] — Michael[tm] Smith (W3C Principal Browser Engine Specialist)
  • 11:15 - 11:45 MiniApps Design and Servo [slides] — Gregory Terzian (Servo)
  • 11:45 - 12:15 WebSpatial API: The Boarding Pass for the Mainstream Web to Multimodal AI Devices [slides] - Dexter Yang (PICO OS, ByteDance)

Lunch

Lightning Talks

  • 13:30 - 13:35 Intro - Wei Ding (W3C Advisory Board)
  • 13:35 - 13:50 Experiments in Achieving High-Quality, High-Performance 3D Experiences on the Web and in MiniApps [slides] - Yipeng Zhao ( Initiator of the web-wide-world Idea, Senior Web Developer, and Enthusiast in Game and AI Technologies)
  • 13:50 - 14:05 Shaping the Future, Driving Web Innovation – The Mission and Actions of the Exploration IG [slides] - Jet Ding (W3C Exploration IG co-Chair)
  • 14:05 - 14:20 Global Expansion and Compliance [slides] - Martin Alvarez-Espinar（MiniApps WG co-Chair, High-Performance Baseline CG co-Chair)

Web AI Agent Profile Discussion

  • 14:20 - 14:50 Servo: An independent, lightweight, modular, and parallel processing architecture web engine development [slides] — Jonathan Schwender (Huawei)
  • 14:50 - 15:20 Exploration of Rendering Containers and Dynamic Architectures for Web-based AI agents [slides] — Hai Rao (Ant Group)
  • 15:20 - 15:50 Let Every MiniApp Support Agent Automatically [slides] - Xinyi Ren (Finogeeks)
  • 15:50 - 16:20 Tea Break

16:20 - 17:30 Next Steps: Standardization and Implementation - All

If you are interested in presenting related topics at this event, please contact W3C Staff: Xiaoqian Wu (xiaoqian@w3.org).

How to participate?

Registration: Please register here before September 2.

Need help?

If you have any questions or need more details, please contact us via email to team-beihang-events@w3.org or contact the event organizer Zhenjie li (mobile number: 13001110017).