Choosing a SSL certificate chain (bundling method) for compatibility or performance

On the Custom SSL page, Cloudflare customers with custom SSL certificate (Business and Enterprise) plans may make choices about their preferred SSL certificate chain, also known as the bundle method.

The default choice is for greatest compatibility with older browsers, but Cloudflare also offers choice tuned for top performance, at the expense of some older browsers.

Advanced customers may customize their bundle to their own specifications.

Read this blog post that explains SSL certificate chains and more about our open-sourced code about bundling SSL certificates (and more).

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