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Last active Jun 20, 2019

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What you should (and shouldn’t) enable in Cloudflare for web performance

What you should (and shouldn’t) enable in Cloudflare for web performance

Cloudflare is a web-performance-and-security-as-a-service company.

To configure your web app to run faster, you need to:

  • sign up for Cloudflare
  • connect it to your site (by moving DNS records and setting up proxying)
  • enable a few toggles in the settings.

The configuration panel has a lot of tabs. You’ll need these:

Let’s go over settings you should (and shouldn’t) enable in Cloudflare.

Speed tab

✔ Polish

Enable this to automatically optimize images. The “Serve WebP images” option is the best in most cases. This requires a Pro account, but it’s not very expensive ($20/month).

✔ Brotli

Enable this to make text content you serve (HTML, CSS, JavaScript) smaller in size.


Try enabling this to make images load faster on mobiles or slower networks. This might cause rare issues if your app has e.g. image carousels or photo viewers – so if you have problems later, disable this.

Auto Minify

If you’re developing a web app with a modern frontend, it’s extremely likely that it’s already minified – so you won’t need this option.

Caching tab

✔ Caching level: standard

Make sure the standard caching level is enabled – it’s recommended in most cases. But feel free to choose another option if you know it works for you.

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