CDN Fundamentals
Understanding the Set-Cookie Header
Cookies are an essential part of modern web applications. They allow websites to maintain sessions, remember user preferences, and enable authentication across multiple requests. Since HTTP is a stateless protocol, cookies help create a stateful user ...
Understanding the Host Header
The Host header is one of the most important elements in an HTTP request. It identifies the domain name that the client is trying to reach. When a browser sends a request to a server it includes the Host header so the server knows which website or ...
Understanding the "Upgrade" HTTP Header and Its Impact on Your Website
What is the "Upgrade" Header ? The Upgrade header is key for applications needing to switch protocols without creating new connections—like WebSockets. By configuring your server and VergeCloud to properly handle upgrade requests, you can maintain ...
VergeCloud Error Codes
While using VergeCloud services, you may occasionally encounter platform specific error codes. These errors are not random system failures. They usually indicate that a configured rule, security policy, or access restriction has been triggered. This ...
VergeCloud’s X-Cache and X-Time Headers Explained
When VergeCloud CDN is enabled for a website, the platform automatically adds certain response headers that help developers and administrators understand how content is delivered to users. Two important headers that appear in these responses are the ...
Understanding Browser Caching and HTTP Cache Headers with VergeCloud
Website performance plays a critical role in user experience, SEO rankings, and bandwidth efficiency. One of the most effective ways to improve performance is through browser caching. Browser caching allows frequently used website resources to be ...
What is the Cache-Control Header?
The Cache Control header is one of the most important HTTP response headers used to manage how web content is cached and delivered. It defines how browsers, intermediate proxies, and content delivery networks should store and reuse resources. Proper ...
What is the Vary Header?
Understanding the Vary Header in VergeCloud The Vary header is a critical HTTP header that helps configure content caching based on specific request conditions, such as browser type, encoding support, or user preferences. With VergeCloud's advanced ...
Understanding VergeCloud CDN Headers
Intoduction When a website utilizes VergeCloud CDN for performance enhancement and security, visitor requests are directed to VergeCloud’s CDN servers instead of directly reaching the website's main server. In return, the CDN edge server sends ...