Wanna know how to limit your Cloudflare’s caching feature to a specific directory such as the WordPress dashboard? You are in the right place.

Cloudflare is a content delivery network that includes cloud cyber security and DDoS mitigation.

• Step 1: Visit the Cloudflare Dashboard
• Step 2: Tap/Click “Page Rules”
• Step 3: Tap/Click “Create Page Rule”
• Step 4: Fill in The Fields and options as follow
  • URL(required): example.com/wp-admin* (where example.com is your domain name)
  • “Cache Level” : “Bypass”
  • “Disabled Apps” : “Apps are disabled”
  • “Disabled Performance” : “Performance is disabled”
• Step 5: Tap/Click “Save and Deploy Rule”

Here is an example of how the Page Rule should look:

More info: https://support.cloudflare.com/hc/en-us/articles/227634427-Using-Cloudflare-with-WordPress