> For the complete documentation index, see [llms.txt](https://docs.transparentedge.eu/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.transparentedge.eu/guides.md).

# GUIDES AND TUTORIALS

- [How to do things](https://docs.transparentedge.eu/guides/how-to-do-things.md)
- [Edge Computing](https://docs.transparentedge.eu/guides/edge-computing.md)
- [ESI Tags](https://docs.transparentedge.eu/guides/edge-computing/esi-tags.md)
- [Acting on the Query String](https://docs.transparentedge.eu/guides/actuando-sobre-el-query-string.md)
- [Working with cookies](https://docs.transparentedge.eu/guides/trabajando-con-cookies.md)
- [Making decisions based on HTTP headers](https://docs.transparentedge.eu/guides/tomando-decisiones-sobre-las-cabeceras-http.md)
- [Web Application Gateway](https://docs.transparentedge.eu/guides/web-application-gateway.md)
- [Configure your servers to send cache headers](https://docs.transparentedge.eu/guides/configurar-mis-servidores-para-enviar-cabeceras-de-cache.md)
- [Caching a version per device](https://docs.transparentedge.eu/guides/cachear-una-version-por-dispositivo.md)
- [True-Client-IP in the origin](https://docs.transparentedge.eu/guides/true-client-ip-en-el-origen.md)
- [A/B Testing](https://docs.transparentedge.eu/guides/a-b-testing.md)
- [Routing traffic to different backends](https://docs.transparentedge.eu/guides/enrutando-el-trafico-a-distintos-backend.md)
- [JSON Web Tokens](https://docs.transparentedge.eu/guides/json-web-tokens.md)
- [Debug codes](https://docs.transparentedge.eu/guides/debug-codes.md): Learn the meaning of the debug strings
- [Streaming logs](https://docs.transparentedge.eu/guides/streaming-logs.md)
- [API](https://docs.transparentedge.eu/guides/api.md): Instructions for use and relevant documentation for integration with our API:
- [Authentication](https://docs.transparentedge.eu/guides/api/authentication.md): Instructions for user authentication against the Transparent Edge Services API.
- [Invalidation](https://docs.transparentedge.eu/guides/api/invalidation.md): Through the API, we provide our clients with a resource invalidation service. Below are the details and instructions for using it.


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