Web Performance

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. ...

Caching Strategies to Speed Up Web Apps Caching is a simple idea with big results. When you store copies of responses, users get faster pages and your servers handle fewer repeated requests. The trick is to cache wisely: different layers, different data, and clear rules for when to refresh. Caching works best when you balance freshness and speed. Static assets like images and scripts can live longer in caches, while frequently changing data needs shorter lifetimes or smart revalidation. The goal is to serve correct content without repeating heavy work on every request. ...

Video Streaming Technologies and Optimization Video streaming has become a standard way to share media online. The goal is smooth playback at the smallest possible data rate. To reach that, teams mix the right protocols, encoding, and delivery methods. Good planning reduces buffering and keeps users satisfied. Two common streaming protocols are HLS and DASH. Both cut video into small segments and let players switch quality as bandwidth changes. HLS is widely supported on iOS and many browsers; DASH is popular for web apps and Android. They share a simple idea: adapt in real time. ...

Content Delivery Networks: Speeding Up the Web A Content Delivery Network, or CDN, places copies of your site’s files on servers around the world. This setup brings data closer to visitors, so pages load faster even when someone is far from your origin host. For many sites, a CDN is a simple and effective way to improve user experience. How it works: when a user requests a page, the CDN selects the nearest edge server. If the content is cached there, the edge serves the file quickly. If not, it fetches it from your origin, stores a copy at the edge, and serves it to the user. Over time, popular files stay handy at nearby locations, so future requests travel shorter distances and load more quickly. ...

Content Delivery Networks: Speeding Up Global Websites Content Delivery Networks (CDNs) place copies of your site’s static files on servers around the world. When a user visits, the CDN serves content from the nearest edge server. This reduces distance, lowers latency, and helps pages load quickly. How it works: An edge network caches images, scripts, styles, and other assets. If a file is cached and fresh, the edge serves it directly. If not, the edge fetches it from your origin, stores a copy, and serves it to the user. The whole process happens in milliseconds. ...

Content Delivery Networks: Speeding Up Global Sites Content Delivery Networks (CDNs) place copies of your files on servers around the world. When a user visits your site, the CDN chooses the nearest edge server to send images, scripts, and videos. This reduces distance data travels and lowers latency, so pages load faster. CDNs primarily cache static assets like images, CSS, and JavaScript. They can also optimize delivery for video streams and adapt to different devices. A CDN works with your origin server: it fetches content when needed and stores it for future requests. You control how long content stays at the edge with cache rules and TTL values. ...

Performance Optimization for Web Servers Performance optimization for web servers helps sites respond quickly and stay reliable as traffic grows. Small latency improvements add up for users and search rankings. Start with a simple plan: measure, adjust, and verify. OS and hardware tuning sets the foundation. Increase the limit of open files, tune memory and swap, and ensure fast disk I/O. Keep the system lean by disabling services you don’t need and using solid storage. If the hardware is under stress, even great software can slow down. ...

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 Web Traffic Content Delivery Networks, or CDNs, place copies of your site’s files in many servers around the world. This lets the closest server answer most requests, instead of every user reaching a single data center. The result is lower latency and faster page loads for visitors, wherever they are. CDNs also help teams handle traffic spikes with less risk of outages. Edge servers cache static assets like images, stylesheets, and scripts. When a user requests a page, the CDN usually serves it from the nearest edge location. If a file isn’t cached yet, the edge fetches it from the origin once and then stores it for future requests. DNS routing helps pick the best edge site based on location and network conditions. ...

Reducing Latency with CDN and Edge Compute Latency is more than a number. It shapes how users feel about your site. A fast experience boosts engagement and trust. Two complementary tools help: a content delivery network (CDN) and edge compute. Together, they move content closer to visitors and cut back on trips to the origin server. How a CDN helps A CDN stores copies of static assets—images, styles, scripts—in many locations around the world. When someone asks for a file, the edge server nearest them serves it. This reduces travel distance and speeds up loading times. ...