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Document replay iframe embedding #511

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Merged
rgarcia merged 2 commits into from
Aug 20, 2026
Merged

Document replay iframe embedding #511

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Document replay iframe embedding
rgarcia Aug 20, 2026
c628ab6
Specify replay iframe CSP
rgarcia Aug 20, 2026
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27 changes: 27 additions & 0 deletions browsers/replays.mdx
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Expand Up @@ -237,3 +237,30 @@ func main() {
}
```
</CodeGroup>

## Embedding a replay

Set an iframe's `src` to the `replay_view_url` returned when you start or list a replay. Give the iframe an explicit aspect ratio so the player keeps its shape while loading, and enable fullscreen playback. Merge the example's `frame-src` sources into your existing Content Security Policy.

Replace `REPLAY_VIEW_URL` with the URL returned by the API:

```html
<meta
http-equiv="Content-Security-Policy"
content="frame-src https://*.kernel.sh:8443 https://*.onkernel.com:8443 https://kernel-api-prod.s3.us-east-1.amazonaws.com;"
>

<div style="width: 100%; aspect-ratio: 16 / 10;">
<iframe
src="REPLAY_VIEW_URL"
title="Browser session replay"
loading="lazy"
referrerpolicy="no-referrer"
allow="fullscreen"
allowfullscreen
style="display: block; width: 100%; height: 100%; border: 0;"
></iframe>
</div>
```

Use the recorded browser's viewport ratio if it differs from `16 / 10`. Treat replay URLs as sensitive.
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