I think the headline is a little confusing. He's not advocating you don't use a CDN, he's advocating to not use a public CDN like code.jquery.com. You should ab

I think the headline is a little confusing. He's not advocating you don't use a CDN, he's advocating to not use a public CDN like code.jquery.com. You should absolutely still use a first-party CDN like Cloudflare so long as it owns your primary domain and all your content (including static assets) are served on that same domain.