How do I prevent www prefix in URLs?

I’ve recently migrated a site from my own Rails application to Jekyll. Now, redirects to I can’t figure out how to prevent this. Any advice would be greatly appreciated!

I’ve now found that it this behaviour looks to be due to configuration on Now to work out how to fix it.

And now it works as expected!

Should I assume you modified the url in your _config.yml file? If so (or if not), it would be useful to share what you did for others that might be reading this post.

Actually, I didn’t need to change anything within my Jekyll configuration. Within Render, I needed to fix my custom domains definitions so that was redirecting to, rather than the reverse.

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Thank you so much Keithpitty for this answer. I was searching for this because few days back i also apply this on my shopify app based website and faced the same issue. now i have got the solution. Thanks again.

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You’re welcome! I’m glad that it helped.