TryHackMe - Pre Security | How the Web Works: Putting It All Together - Other Components
🌐 Load Balancers, CDNs, & WAFs: Essential Components of a Modern Website! | TryHackMe 🌐 Welcome back to the "Putting It All Together" room, part of TryHac...
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60 views • Aug 12, 2025
About this video
🌐 Load Balancers, CDNs, & WAFs: Essential Components of a Modern Website! | TryHackMe 🌐
Welcome back to the "Putting It All Together" room, part of TryHackMe's "How the Web Works" module! In this video, we're diving into Task 2: The Components. This is where we learn about additional, but essential, technologies that work behind the scenes to make websites faster, more resilient, and more secure.
Website Architecture Beyond the Basics
I explain the purpose and function of four key components that enhance a website's performance and security:
Load Balancers: When a website gets a lot of traffic, a single server isn't enough. A load balancer acts as a traffic cop, distributing incoming requests across multiple servers using algorithms like round-robin or weighted methods. It also performs health checks to ensure that servers are responsive and takes them out of rotation if they fail.
CDNs (Content Delivery Networks): CDNs are used to host static website files (like images, CSS, and JavaScript) on thousands of servers around the world. When a user requests a file, the CDN sends it from the server that is physically closest to them, which drastically reduces load times and bandwidth consumption.
Databases: Websites need a way to store user information and other data. Databases are used to store and retrieve this data, ranging from simple text files to complex clusters of servers.
WAFs (Web Application Firewalls): A WAF sits between a user's request and the web server. It protects the server by analyzing requests for malicious activity, such as hacking attempts or denial-of-service attacks. It can also use rate limiting to prevent a single IP address from making an excessive number of requests.
We successfully answer the quiz questions, confirming our understanding of these core components:
The technology used to host static files and speed up a website: CDN.
The check a load balancer performs to ensure a host is still alive: Health check.
The tool used to help against website hacking: WAF.
This video provides a crucial look at the more advanced architecture that supports modern websites, giving us a more complete picture of how the web works.
What's next? We're moving on to Task 3: How Web Servers Work in our next video, where we'll explore what happens on the server side in more detail!
Which of these components do you think is the most important for a large-scale website like YouTube or Google? Share your thoughts in the comments below!
#LoadBalancer #CDN #WAF #Databases #WebArchitecture #Networking #WebDevelopment #TryHackMe #PreSecurity #HowTheWebWorks #WebServers #Cybersecurity #WebFundamentals
📚 Further expand your web development knowledge
FreeCodeCamp Series: https://www.youtube.com/playlist?list=PLktFju7xyBzQi_ybSHMKZgyna2YZAHub5
Javascript Codewars Series: https://www.youtube.com/playlist?list=PLktFju7xyBzSQq5tnV-qJV5v8cZ7PtO1k
💬 Connect with us:
🔗 Twitter: https://twitter.com/_codeManS
🔗 Instagram: https://www.instagram.com/codemansuniversal/
Welcome back to the "Putting It All Together" room, part of TryHackMe's "How the Web Works" module! In this video, we're diving into Task 2: The Components. This is where we learn about additional, but essential, technologies that work behind the scenes to make websites faster, more resilient, and more secure.
Website Architecture Beyond the Basics
I explain the purpose and function of four key components that enhance a website's performance and security:
Load Balancers: When a website gets a lot of traffic, a single server isn't enough. A load balancer acts as a traffic cop, distributing incoming requests across multiple servers using algorithms like round-robin or weighted methods. It also performs health checks to ensure that servers are responsive and takes them out of rotation if they fail.
CDNs (Content Delivery Networks): CDNs are used to host static website files (like images, CSS, and JavaScript) on thousands of servers around the world. When a user requests a file, the CDN sends it from the server that is physically closest to them, which drastically reduces load times and bandwidth consumption.
Databases: Websites need a way to store user information and other data. Databases are used to store and retrieve this data, ranging from simple text files to complex clusters of servers.
WAFs (Web Application Firewalls): A WAF sits between a user's request and the web server. It protects the server by analyzing requests for malicious activity, such as hacking attempts or denial-of-service attacks. It can also use rate limiting to prevent a single IP address from making an excessive number of requests.
We successfully answer the quiz questions, confirming our understanding of these core components:
The technology used to host static files and speed up a website: CDN.
The check a load balancer performs to ensure a host is still alive: Health check.
The tool used to help against website hacking: WAF.
This video provides a crucial look at the more advanced architecture that supports modern websites, giving us a more complete picture of how the web works.
What's next? We're moving on to Task 3: How Web Servers Work in our next video, where we'll explore what happens on the server side in more detail!
Which of these components do you think is the most important for a large-scale website like YouTube or Google? Share your thoughts in the comments below!
#LoadBalancer #CDN #WAF #Databases #WebArchitecture #Networking #WebDevelopment #TryHackMe #PreSecurity #HowTheWebWorks #WebServers #Cybersecurity #WebFundamentals
📚 Further expand your web development knowledge
FreeCodeCamp Series: https://www.youtube.com/playlist?list=PLktFju7xyBzQi_ybSHMKZgyna2YZAHub5
Javascript Codewars Series: https://www.youtube.com/playlist?list=PLktFju7xyBzSQq5tnV-qJV5v8cZ7PtO1k
💬 Connect with us:
🔗 Twitter: https://twitter.com/_codeManS
🔗 Instagram: https://www.instagram.com/codemansuniversal/
Video Information
Views
60
Likes
2
Duration
5:29
Published
Aug 12, 2025