# Welcome to smoxy

smoxy sits between your visitors and your origin server. It caches content, optimizes images, secures traffic with WAF and SSL, and gives you real-time analytics — all without changes to your application code.

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### First Time Here?

Follow the [Getting Started](https://docs.smoxy.eu/en/getting-started) guide to connect your first domain, verify DNS, and activate smoxy. The entire setup takes a few minutes.

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### Core Concepts

| Concept     | What It Does                                                                                             | Learn More                                                                               |
| ----------- | -------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------- |
| **Sites**   | A reusable configuration bundle (caching, security, optimization) that you assign to one or more domains | [What is a Site?](https://docs.smoxy.eu/en/sites/what-is-a-site)                         |
| **Domains** | The hostnames your visitors use — each domain is linked to a site and gets its own SSL certificate       | [Domain Overview](https://docs.smoxy.eu/en/organization/domain-overview)                 |
| **Origins** | Your backend servers where smoxy forwards requests                                                       | [Origins & Loadbalancer](https://docs.smoxy.eu/en/organization/origins-and-loadbalancer) |
| **Rules**   | Conditions and actions that modify requests, responses, or routing on the fly                            | [Rules Overview](https://docs.smoxy.eu/en/rules/rules-overview)                          |

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### Popular Topics

#### Performance

* [Advanced Caching](https://docs.smoxy.eu/en/sites/advanced-caching) — TTL, cache keys, cache tags, stale cache
* [Image Optimization](https://docs.smoxy.eu/en/sites/image-optimization) — Automatic compression, format conversion (WebP, AVIF)
* [Acceleration](https://docs.smoxy.eu/en/sites/acceleration) — HTML caching and minification

#### Security

* [Security & WAF](https://docs.smoxy.eu/en/sites/security-and-waf) — Web Application Firewall, Basic Auth, Under Attack Mode
* [How SSL Works in smoxy](https://docs.smoxy.eu/en/ssl-and-certificates/how-ssl-works-in-smoxy) — Auto-managed and self-managed certificates
* [Access Rules](https://docs.smoxy.eu/en/rules/access-rules) — Block or allow traffic by IP, country, header, or path

#### Operations

* [Dashboard](https://docs.smoxy.eu/en/sites/dashboard) — Real-time traffic charts, cache management, Go-Live checklist
* [Cache Invalidation](https://docs.smoxy.eu/en/broken-reference) — Purge cached content by URL or tag
* [DNS Management](https://docs.smoxy.eu/en/organization/dns-overview) — Host your DNS zones in smoxy

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### Need Help?

* Browse the documentation using the sidebar or search
* Check [SSL Troubleshooting](https://docs.smoxy.eu/en/ssl-and-certificates/ssl-troubleshooting) for certificate issues
* Contact our support team if you're stuck