Free online courses onWeb Servers Fundamentals

Learn web server fundamentals with free online courses on HTTP, DNS, TLS, and reverse proxies—part of web servers and cloud computing.
Explore free online courses on web server fundamentals within web servers and cloud computing. Learn HTTP, DNS, TLS, reverse proxies, and core concepts behind how servers handle requests and deliver content.

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Free online courses on Web Servers Fundamentals

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Free Ebook cover Web Servers 101: How HTTP, DNS, TLS, and Reverse Proxies Work

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Free Online Courses on Web Servers Fundamentals

Build a strong foundation in modern web delivery with this selection of free online courses focused on Web Servers Fundamentals. Whether you are preparing for a role in web development, DevOps, site reliability, or cloud engineering, understanding how web servers communicate, route traffic, and secure connections is essential. These courses sit within the broader theme of Web Servers and Cloud Computing, helping you connect core networking concepts to real-world infrastructure used in production environments.

Web servers are more than a single program listening on a port. They are part of an ecosystem that includes domain resolution, encrypted transport, request routing, caching, load balancing, and observability. By studying the fundamentals, you will be able to troubleshoot slow sites, diagnose connection issues, configure reverse proxies, and understand why a request behaves differently in local development versus cloud deployments.

What you will learn in these free web server courses

  • HTTP fundamentals: requests and responses, methods, headers, status codes, cookies, caching, and keep-alive connections
  • DNS basics: domains, records, TTL, recursive resolution, and how DNS impacts availability and latency
  • TLS/HTTPS: certificates, handshakes, encryption, trust chains, and common misconfigurations
  • Reverse proxies: routing, virtual hosts, termination of TLS, buffering, compression, and protecting upstream applications
  • Practical troubleshooting: reading logs, using curl, understanding timeouts, and mapping failures to layers (DNS vs TLS vs HTTP vs upstream)

Included free course

Web Servers 101: How HTTP, DNS, TLS, and Reverse Proxies Work

This free online course introduces the end-to-end path of a web request, from typing a URL to receiving rendered content. You will learn how DNS translates names to IP addresses, how HTTP structures application traffic, how TLS secures data in transit, and how reverse proxies sit in front of web apps to route and optimize requests. The course emphasizes practical understanding, making it ideal for learners who want to confidently interpret networking diagrams, configure basic server components, and communicate effectively with engineering teams.

Who these free courses are for

  • Beginners who want to understand how websites work behind the scenes
  • Developers deploying APIs or web apps and needing reliable server behavior
  • DevOps and cloud learners building skills in traffic management and security
  • IT and networking learners transitioning into web infrastructure concepts

Explore these free web servers fundamentals courses to gain essential knowledge that carries over to popular stacks and platforms, including cloud load balancers, containerized services, and edge delivery. With a solid grasp of HTTP, DNS, TLS, and reverse proxies, you will be better prepared to design, deploy, and maintain web systems that are secure, fast, and resilient.