# Unlocking Otel in WebAssembly - Wasm I/O 2025

DevFeed: [Unlocking Otel in WebAssembly - Wasm I/O 2025](<https://devfeed.tech/articles/unlocking-otel-in-webassembly-wasm-i-o-2025-15402.md>)

Original publisher: [Read original article](<https://www.fermyon.com/blog/unlocking-otel-in-wasm>)

Author: Ronan Flynn-Curran

Published: 2025-06-30T12:00:00Z

Content type: article

Language: en

Sources: [Fermyon - Experience the next wave of cloud computing.](<https://devfeed.tech/sources/fermyon-experience-the-next-wave-of-cloud-computing.md>)

Topics: [WebAssembly](<https://devfeed.tech/topics/web-assembly.md>), [OpenTelemetry](<https://devfeed.tech/topics/opentelemetry.md>), [wasm](<https://devfeed.tech/topics/wasm.md>), [IO](<https://devfeed.tech/topics/io.md>)

Tags: [2025](<https://devfeed.tech/tags/2025.md>), [opentelemetry](<https://devfeed.tech/tags/opentelemetry.md>), [talk](<https://devfeed.tech/tags/talk.md>), [wasm](<https://devfeed.tech/tags/wasm.md>), [webassembly](<https://devfeed.tech/tags/webassembly.md>)

## AI overview

The article revisits Caleb Schoepp's Wasm I/O 2025 talk about how OpenTelemetry addresses observability for WebAssembly applications.

## Source excerpt

Revisiting Caleb Schoepp's insightful talk from Wasm I/O 2025, looking at how OpenTelemetry is solving o11y for Wasm apps