HTTP/2

Content Delivery Networks: Speeding Up Global Access Content Delivery Networks (CDNs) place copies of your files on servers around the world. When a user visits your site, a nearby server delivers the content instead of your origin. This reduces travel time and speeds up pages, especially for visitors far from your main server. How CDNs work Edge servers store cached versions of static assets like images, scripts, and styles. The routing system points each request to the closest edge location. For dynamic content, some CDNs offer edge computing or pull content from your origin as needed. Cache rules tell edge servers how long to keep content and when to refresh it. Benefits Faster page loads and better experience for users everywhere. Lower bandwidth use and less pressure on your origin server. Higher reliability during traffic spikes or sudden demand. Built-in security features, such as DDoS protection and TLS termination. When to use a CDN If your audience is global or spread across regions. For sites with large images, video, or downloadable files. When you want faster delivery for software updates or media. If you care about security and uptime in addition to speed. Choosing a CDN Check how many regions you need and the testing data for those regions. Compare pricing models: data transfer, requests, and features. Look for modern protocol support (HTTP/2, HTTP/3) and strong security options. See how easy it is to integrate with your site and to purge or update caches. Run a quick pilot: measure load times with and without the CDN, and watch cache hit rates. Common pitfalls Caching content that updates often without proper cache rules. Not setting proper cache headers, leading to stale content. Hard-to-purge caches that delay updates. Unexpected costs from high traffic or expensive edge features. Getting started For static assets, point your asset URLs to a CDN domain (for example, cdn.yoursite.com). Enable cache-control headers, choose a sensible TTL, and use versioned file names to bust caches when content changes. Pair this with a simple origin pull setup to keep things easy at first. ...

gRPC and Protocol Buffers for Efficient APIs gRPC is a modern framework for remote procedure calls. It uses Protocol Buffers as its default data format. Together, they help teams build fast, reliable APIs for microservices and cloud apps. The binary messages are smaller and faster to parse than JSON, and HTTP/2 brings multiplexing, streaming, and strong flow control. This makes gRPC a good choice when speed, consistency, and cross-language support matter. ...

Content delivery networks and global performance A content delivery network (CDN) places copies of your files on servers around the world. When a user requests a page, the CDN serves assets from the edge location closest to that user. This shortens travel distance, reduces round trips, and helps pages load faster. The result is better experiences for visitors, regardless of their location or device. CDNs are useful for blogs, storefronts, and apps alike. ...

Content Delivery Networks: Speeding Up the Internet Content Delivery Networks, or CDNs, speed up the web by storing copies of your site’s files on servers around the world. When a user opens a page, the CDN tries to serve images, scripts, and pages from the nearest edge server. This shortens travel distance, lowers latency, and makes pages feel faster even for visitors far away. How it works: edge servers cache static files like images, CSS, and JavaScript. If the file is in cache and fresh, it is sent directly. If not, the edge fetches it from your origin server, forwards it to the user, and saves a copy for the next request. Many CDNs also handle dynamic content by smart routing and light processing at the edge, so personalized data can travel quickly while keeping security high. ...

Content Delivery Networks: Speeding Up Global Websites Content Delivery Networks (CDNs) are groups of servers spread around the world. When a user visits your site, the CDN tries to serve most files from a nearby edge location instead of reaching back to your origin every time. If the file is already cached on that edge, it travels a short distance and loads quickly. If not, the edge fetches it from your origin and stores a copy for next requests. This simple approach cuts network hops, lowers bandwidth from the origin, and helps pages stay fast even during traffic surges. ...

How Content Delivery Networks Speed Up Global Access Content Delivery Networks (CDNs) are networks of servers placed in many locations worldwide. They store copies of common files, such as images, CSS, and JavaScript, so visitors load from a nearby server. This proximity cuts travel distance, lowers latency, and speeds up page rendering. CDNs also protect your site during traffic spikes by spreading the load across many servers instead of a single origin. For a global audience, this approach improves both speed and reliability, even on slower connections. ...

Content Delivery Networks: Speeding Up Global Access Content delivery networks (CDNs) place copies of your content closer to users. They are a practical way to speed up access for websites, images, and videos. By serving data from edge locations around the world, CDNs reduce distance, lower latency, and improve reliability. A CDN works by caching static parts at edge servers and by smart routing of requests. When a user asks for a page or asset, the system serves it from the nearest edge location. If the item is not in cache, the CDN fetches it from your origin, stores a copy at the edge, and serves future requests from that location. Cache rules determine how long a copy stays fresh, and you can purge content to reflect updates quickly. ...

Content Delivery Networks for Global Speed A content delivery network (CDN) places copies of your assets on edge servers around the world. This cuts distance and latency, helping pages load faster for users far from your origin. CDNs also help handle traffic spikes and improve reliability. How CDNs work CDNs cache static files at edge locations and route requests to the nearest node. If content isn’t cached, the edge fetches it from the origin and caches it for future visits. Many CDNs also offer image optimization, compression, and TLS termination at the edge, all in one hop. ...

Content Delivery Networks: Speeding Up the Web Content Delivery Networks, or CDNs, are groups of servers placed around the world. Their goal is simple: serve content from a nearby location to the user, so pages load faster. This helps especially with images, video, styles, and scripts. How a CDN works Edge servers keep copies of files. When a browser asks for a file, the CDN routes the request to the closest edge server. If the file is cached there, the edge responds quickly. If not, the edge fetches it from your origin server and saves a copy for the next visitor. Cache rules tell the edge how long to keep the file before asking again. A good TTL for static assets means fast loads, but you can still refresh content with cache purges. Some CDNs also serve content using secure connections and support modern protocols like HTTP/2 or HTTP/3 to speed up handshakes. ...

Web Servers: Performance, Security, and Scales Web servers power pages for many sites, from personal blogs to large apps. They must be fast, secure, and ready to grow. A good server setup reduces delays, protects data, and handles more users without breaking. The ideas here are practical and easy to apply in many environments. Performance essentials Choose a fast, proven server that uses event-driven I/O. Pair it with a capable reverse proxy to handle the first touch and keep backends free for work. Serve static files with minimal latency, and cache them when possible. Enable compression (Brotli or gzip) to shrink data without breaking content. ...