Technical Questions About Server and Frontend
The technical implementation of performance optimizations naturally raises many questions. What role does hosting play? Is a CDN worthwhile? What does HTTP/3 bring? In this section, we address the specific technical measures that make the difference between a slow and a fast website. Detailed information is also available on our dedicated pages about server optimization and frontend optimization.
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- What role does hosting play in website performance? Hosting is frequently the single largest lever, because it sits right at the start of the loading chain. If the server delivers the HTML document with delay, the TTFB is high, and…
- Does my website need a CDN? A Content Delivery Network is worthwhile above all when your visitors are geographically dispersed. The CDN keeps static resources like images, CSS and JavaScript on servers in…
- What do image formats like WebP and AVIF provide? Modern image formats deliver significantly smaller files at the same visible quality than the classic JPEG and PNG formats. WebP typically saves 25 to 35 percent over JPEG…
- How does JavaScript affect load time? JavaScript is one of the most common performance brakes, because it is more expensive than its file size suggests. Every script must be downloaded, parsed, compiled and executed…
- What is the difference between HTTP/2 and HTTP/3? Both protocols speed up transfer compared to the old HTTP/1.1, but they solve different problems. HTTP/2 introduced multiplexing, meaning several parallel requests over a single…
- Can I perform performance optimization myself? Partly, yes. Basic measures like compressing images, removing unused plugins, enabling browser caching or updating the PHP version can be done with some basic technical…