--- title: Snippets examples description: Example Snippets for headers, redirects, caching, and more. image: https://developers.cloudflare.com/core-services-preview.png --- > Documentation Index > Fetch the complete documentation index at: https://developers.cloudflare.com/rules/llms.txt > Use this file to discover all available pages before exploring further. [Skip to content](#%5Ftop) # Snippets examples Refer to the following examples to get started creating your snippet code. Refer to [How Snippets work](https://developers.cloudflare.com/rules/snippets/how-it-works/) and [Create a snippet in the dashboard](https://developers.cloudflare.com/rules/snippets/create-dashboard/) for overall guidance. Filter resources... [A/B testing with same-URL direct accessSet up an A/B test by controlling what response is served based on cookies.](https://developers.cloudflare.com/rules/snippets/examples/ab-testing-same-url/)[Append dates to cookies to use with A/B testingDynamically set a cookie expiration and test group.](https://developers.cloudflare.com/rules/snippets/examples/append-dates-to-cookies/)[Auth with headersAllow or deny a request based on a known pre-shared key in a header. This is not meant to replace the WebCrypto API.](https://developers.cloudflare.com/rules/snippets/examples/auth-with-headers/)[Send Bot Management information to originSend Bots information to your origin. Refer to Bot Management variables for a full list of available fields.](https://developers.cloudflare.com/rules/snippets/examples/bot-data-to-origin/)[Send suspect bots to a honeypotUse the bot score field to send bots to a honeypot.](https://developers.cloudflare.com/rules/snippets/examples/bots-to-honeypot/)[Bulk redirect based on a map objectRedirect requests to certain URLs based on a mapped object to the request's URL.](https://developers.cloudflare.com/rules/snippets/examples/bulk-redirect-map/)[Country code redirectRedirect a response based on the country code in the header of a visitor.](https://developers.cloudflare.com/rules/snippets/examples/country-code-redirect/)[Custom cacheStore, retrieve, and remove assets from cache programmatically. Use this template to optimize performance and implement custom caching strategies.](https://developers.cloudflare.com/rules/snippets/examples/custom-cache/)[Debugging logsSend debugging information in an errored response to a logging service.](https://developers.cloudflare.com/rules/snippets/examples/debugging-logs/)[Define CORS headersAdjust Cross-Origin Resource Sharing (CORS) headers and handle preflight requests.](https://developers.cloudflare.com/rules/snippets/examples/define-cors-headers/)[Follow redirects from the originModify the fetch request to follow redirects from the origin, ensuring the client receives the final response.](https://developers.cloudflare.com/rules/snippets/examples/follow-redirects/)[Add HEX timestamp to a request headerAdd a custom header to requests sent to the origin server with the current timestamp in hexadecimal format for debugging, tracking, or custom routing purposes.](https://developers.cloudflare.com/rules/snippets/examples/hex-timestamp/)[Validate JSON web tokens (JWT)Extract a JWT from the Authorization header, verify its HMAC-SHA256 signature using the WebCrypto API, and validate its claims.](https://developers.cloudflare.com/rules/snippets/examples/jwt-validation/)[Maintenance pageServe a custom maintenance page instead of fetching content from the origin server or cache. Ideal for downtime notifications, planned maintenance, or emergency messages.](https://developers.cloudflare.com/rules/snippets/examples/maintenance/)[Override a Set-Cookie header with a certain valueGet a specific Set-Cookie header and update it with a certain value.](https://developers.cloudflare.com/rules/snippets/examples/override-set-cookies-value/)[Redirect 403 Forbidden to a different pageIf origin responded with 403 Forbidden error code, redirect to different page.](https://developers.cloudflare.com/rules/snippets/examples/redirect-forbidden-status/)[Redirect from one domain to anotherRedirect all requests from one domain to another domain.](https://developers.cloudflare.com/rules/snippets/examples/redirect-replaced-domain/)[Remove fields from API responseIf origin responds with JSON, parse the response and delete fields to return a modified response.](https://developers.cloudflare.com/rules/snippets/examples/remove-fields-api-response/)[Remove query strings before sending request to originRemove certain query strings from a request before passing to the origin.](https://developers.cloudflare.com/rules/snippets/examples/remove-query-strings/)[Remove response headersRemove from response all headers that start with a certain name.](https://developers.cloudflare.com/rules/snippets/examples/remove-response-headers/)[Return information about the incoming requestRespond with information about the incoming request provided by Cloudflare’s global network.](https://developers.cloudflare.com/rules/snippets/examples/return-incoming-request-properties/)[Rewrite links on HTML pagesDynamically rewrite links in HTML responses. This is useful for site migrations and branding updates.](https://developers.cloudflare.com/rules/snippets/examples/rewrite-site-links/)[Change origin and modify pathsRoute requests to a different origin, prepend a directory to the URL path, and remove specific segments.](https://developers.cloudflare.com/rules/snippets/examples/route-and-rewrite/)[Set security headersSet common security headers such as X-XSS-Protection, X-Frame-Options, and X-Content-Type-Options.](https://developers.cloudflare.com/rules/snippets/examples/security-headers/)[Send timestamp to origin as a custom headerConvert timestamp to hexadecimal format and send it as a custom header to the origin.](https://developers.cloudflare.com/rules/snippets/examples/send-timestamp-to-origin/)[Route to a different origin based on origin responseIf response to the original request is not 200 OK or a redirect, send to another origin.](https://developers.cloudflare.com/rules/snippets/examples/serve-different-origin/)[Sign requestsVerify a signed request using the HMAC and SHA-256 algorithms or return a 403.](https://developers.cloudflare.com/rules/snippets/examples/signing-requests/)[Slow down suspicious requestsDefine a delay to be used when incoming requests match a rule you consider suspicious based on the bot score.](https://developers.cloudflare.com/rules/snippets/examples/slow-suspicious-requests/) ```json {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/directory/","name":"Directory"}},{"@type":"ListItem","position":2,"item":{"@id":"/rules/","name":"Rules"}},{"@type":"ListItem","position":3,"item":{"@id":"/rules/snippets/","name":"Cloudflare Snippets"}},{"@type":"ListItem","position":4,"item":{"@id":"/rules/snippets/examples/","name":"Snippets examples"}}]} ```