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Expand Up @@ -70,7 +70,7 @@ Assets stored in the cache through [Cache API](/workers/runtime-apis/cache/) ope

- [Cache Tags](/cache/how-to/purge-cache/purge-by-tags/#add-cache-tag-http-response-headers) can be added to requests dynamically in a Worker by calling `response.headers.append()` and appending `Cache-Tag` values dynamically to that request. Once set, those tags can be used to selectively purge assets from cache without invalidating all cached assets on a zone.

- Currently, it is not possible to purge a URL stored through Cache API that uses a custom cache key set by a Worker. Instead, use a [custom key created via Cache Rules](/cache/how-to/cache-rules/settings/#cache-key). Alternatively, purge your assets using purge everything, purge by tag, purge by host or purge by prefix.
- Currently, it is not possible to purge a URL that uses a custom cache key set by a Worker. Instead, use a [custom key created via Cache Rules](/cache/how-to/cache-rules/settings/#cache-key). Alternatively, purge your assets using purge everything, purge by tag, purge by host or purge by prefix.

## Edge versus browser caching

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