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Cloudflare Workers Integration

Integrate Index Render at the edge using Cloudflare Workers. This powerful serverless solution intercepts requests instantly, serving pre-rendered HTML to search engine bots while maintaining a high-performance experience for real users.

Requirements You must have at least Worker Admin access in Cloudflare, and your domain must be proxied (Orange Cloud enabled).
1

Enable AI Crawlers

Cloudflare may block AI training crawlers by default. To allow Index Render to serve content to AI bots:

  • Select your domain in the Cloudflare Dashboard.
  • On the Overview page, find Control AI Crawlers.
  • Ensure AI Crawlers is enabled.
2

Create a New Worker

Create a serverless function that will handle the bot detection logic.

  1. Go to Compute & AI > Workers & Pages.
  2. Click Create Application > Create Worker.
  3. Name your worker (e.g., indexrender-proxy) and click Deploy.
  4. Click Edit Code and paste your Index Render worker script.
3

Configure API Token

Add your API key as a secure environment variable in your worker settings.

  1. In your Worker dashboard, go to Settings > Variables.
  2. Add a new variable under Environment Variables:
INDEX_RENDER_TOKEN = your_api_key_here
4

Set Up Routes

Attach the worker to your domain routes so it can intercept traffic.

  1. In your Worker settings, go to Domains & Routes.
  2. Click Add Route and enter your domain pattern (e.g., *example.com/*).
  3. Set Failure Mode to Fail Open (Proceed) to ensure your site remains available even if the worker fails.
5

Verify Integration

To confirm that your integration is active, send a request to your URL while simulating a search engine bot. Run the following command in your terminal:

Terminal 
curl --location 'https://yourdomain.com' \
--header 'User-Agent: googlebot'

In the <head> section of the response, you should see the Index Render metadata tags indicating the page was successfully pre-rendered:

Expected Output 
<!--IndexRender-->
<meta name="generator" content="IndexRender/65d6cde" />
<meta name="x-rendered-by" content="IndexRender/65d6cde" />
<meta name="x-rendered-at" content="2026-04-26T18:26:03.1076251Z" />
<meta name="x-render-traceparent" content="00-39f1dd04eeba1243cae01dc5c70e5b47-cdf5cfae992740d8-01" />