#server:defer in static mode

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rugged pecanBOT
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Hi @modest mesa. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave:

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To use server:defer in Astro's "static" mode (which, as you correctly noted, was previously known as "hybrid" mode), you need to make sure you have the correct setup. Let's go through the requirements and potential issues:

  1. Adapter Installation:
    You need to have an adapter installed to use server:defer. As mentioned in the On-demand rendering guide (https://docs.astro.build/en/guides/on-demand-rendering/#server-adapters), "An adapter is still required to deploy an Astro project with any server-rendered pages, no matter which output mode your project uses."

  2. Configuration:
    In your astro.config.mjs, you don't need to specify any special output mode. The default 'static' mode now includes the capability for on-demand rendering.

  3. Component Usage:
    Make sure you're using the server:defer directive correctly on your component. For example:

    <Avatar server:defer />

  4. Fallback Content:
    It's good that you're seeing the fallback content. This suggests that the directive is being recognized. You can provide fallback content using the "fallback" slot:

    <Avatar server:defer>
  <GenericAvatar slot="fallback" />
</Avatar>

  5. Prerender Mode:
    You don't need to change the prerender mode globally. The server:defer directive automatically opts the component out of prerendering. As stated in the Routing Reference (https://docs.astro.build/en/reference/routing-reference/#prerender): "Astro will now automatically allow you to opt out of prerendering in your static site with no change to your output configuration required."

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  1. Troubleshooting:
    If you're only seeing the fallback and the deferred component never loads, there might be an issue with your server setup or how the on-demand rendering is configured. Make sure your adapter is correctly installed and configured.

  2. Development vs Production:
    Remember that some features might behave differently in development mode compared to production. Make sure to test your build in a production-like environment.

If you've followed all these steps and are still having issues, it might be worth checking your server logs for any errors or consulting the specific documentation for the adapter you're using.

For more detailed information, you can refer to the following resources:

If you continue to face issues, you might want to share more details about your setup, including which adapter you're using and any relevant parts of your configuration.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon:

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