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Litespeed’s QUIC.cloud is a new way to supercharge your website.

The heading of each section below links to a separate article that explains that step fully and in detail.

After reading through this guide and its linked articles, if there is something you do not understand, please let us know by sending an email to support[at]quic.cloud.


-Before you can use QUIC.cloud, you must update your LiteSpeed Cache for WordPress plugin to at least v3.0.

-These guides also assumes you already have a domain setup with WordPress. If you do not yet, please check out WordPress’ Domains guide.

1. Pairing WordPress and QUIC.cloud

Before you can use QUIC.cloud, you must pair it with your WordPress site, so the two can communicate.

2. Setting up your DNS

Before a domain can use QUIC.cloud CDN, the DNS for that domain must be properly set up. 

If you are not sure about how the DNS works, check out our DNS Overview.

QUIC.cloud DNS setup is a different process depending on if your site uses the root domain or a subdomain. If your site uses the root domain, you need to check if your DNS provider supports CNAME flattening or ANAME/ALIAS records. An example of a root domain is `example.com`. All other usages of this domain, such as sub.example.com or `www.example.com`, are subdomains.

If your DNS provider does not offer CNAME flattening or ANAME/ALIAS records, you have three options:

  1. Change your site domain to a subdomain (like `www.example.com`). This allows you to use the assigned CNAME for your subdomain. See ‘Switch Root Domain to www Domain’ for assistance.
  2. Change your DNS provider to QUIC.cloud DNS so you can continue use your root domain.
  3. Change your DNS provider to a provider that offers CNAME flattening or ANAME/ALIAS records, so you can continue to use your root domain.

Follow the article corresponding to your DNS provider. This list includes a few of the more popular DNS providers, but if your DNS provider is not listed, please check out Setting up your DNS with your Subdomain.

Supports CNAME Flattening:

Does NOT Support CNAME Flattening:

3. Enable the CDN

You can use QUIC.cloud without using the QUIC.cloud CDN, but if you’d like to use the CDN you must enable it. As long as your DNS is set up properly for your domain, you can enable the CDN in a matter of seconds.

4. Configure Access for your Site (Optional)

QUIC.cloud offers three options to configure how your browser connects to QUIC.cloud and how QUIC.cloud connects to the origin server.

5. Verify your Website is Using QUIC

There are two indicators if you are using QUIC on your domain. You must verify first, though, that your domain is working properly after setting up QUIC.cloud. Once you confirm your domain is functioning properly, you can use a Chrome extension or a website to confirm QUIC is active.

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