--- title: Website Performance description: "Our website performance hub brings together expert guides on speed optimization, Core Web Vitals, caching, CDN setup, image compression, and more. Whether you are diagnosing a slow site or fine-tuning an already fast one, browse our articles to find practical, tested solutions that improve load times and keep both visitors and search engines happy." url: "https://hostingguider.com/topics/website-performance/" type: collection site: HostingGuider language: en-US --- # Website Performance Our website performance hub brings together expert guides on speed optimization, Core Web Vitals, caching, CDN setup, image compression, and more. Whether you are diagnosing a slow site or fine-tuning an already fast one, browse our articles to find practical, tested solutions that improve load times and keep both visitors and search engines happy. - [Uptime vs Downtime: What the Numbers Actually Hide](https://hostingguider.com/blog/uptime-vs-downtime/) — Uptime is the percentage of time a website works. Downtime is the percentage of time it doesn't. The two always add up to 100%. So 99.9% uptime is… - [Core Web Vitals Explained: What LCP, INP, and CLS Actually Mean](https://hostingguider.com/blog/core-web-vitals/) — Core Web Vitals are three specific measurements Google uses to judge how fast, responsive, and visually stable a webpage feels to a real visitor: Largest Contentful Paint (LCP),… - [51+ HTTP Status Codes: Explained & How to Fix Errors (2026)](https://hostingguider.com/blog/http-status-codes/) — What are HTML status codes? An HTTP status code is a three-digit number that a web server sends back to your browser after it receives a request. It… - [PHP-FPM vs mod_php: The Performance Difference That Most Hosting Panels Hide](https://hostingguider.com/blog/php-fpm-vs-mod-php-performance/) — Two WordPress sites. Identical theme, identical plugins, identical traffic. One handles a sudden spike of 200 concurrent visitors without a hiccup. The other grinds to a crawl, serving… - [Time to First Byte (TTFB): How to Actually Fix It at the Hosting Level](https://hostingguider.com/blog/fix-ttfb-hosting-level/) — TTFB is a number most people check and then do not know what to do with. They run a test, see 900ms, read that it should be under… - [How Database Query Optimization Saves More Than Upgrading Your Hosting Plan](https://hostingguider.com/blog/database-query-optimization-vs-hosting-upgrade/) — When a site slows down, most people upgrade their hosting plan. It makes intuitive sense. More CPU and RAM should mean faster pages. So they move from shared… - [How Load Balancing Works on Shared Hosting (And Why It Can Hurt You)](https://hostingguider.com/blog/load-balancing-shared-hosting-explained/) — Your shared hosting account appears to live on one server. It does not. Most shared hosting providers run their infrastructure as a cluster of machines behind a load… - [CDN Misconfiguration: How Optimizing Your Site Can Actually Slow It Down](https://hostingguider.com/blog/cdn-misconfiguration-site-slowdown/) — A CDN is supposed to make your site faster. In many documented cases, misconfigured CDNs make sites measurably slower, serve stale content, break JavaScript functionality, and create redirect… - [HTTP/3 and QUIC: Does Your Hosting Provider Actually Support It?](https://hostingguider.com/blog/http3-quic-hosting-support/) — Most hosting providers list HTTP/3 support in their feature tables. Far fewer actually deliver it where it matters. Some providers support HTTP/3 at the CDN edge but not… - [WordPress Object Caching with Redis: A Step-by-Step Hosting Setup Guide](https://hostingguider.com/guides/wordpress-object-caching-with-redis-a-step-by-step-hosting-setup-guide/) — Every WordPress page load runs database queries. Lots of them. A typical page loads options, post data, user data, term relationships, and dozens of other records from MySQL.… - [PageSpeed Score vs Real User Experience: Why Your 95 Score Doesn’t Matter](https://hostingguider.com/blog/pagespeed-score-vs-real-user-experience/) — You ran your site through Google PageSpeed Insights. You scored a 95. You posted it in a Facebook group and people congratulated you. Then a real user on… - [How Web Hosting Impacts SEO and Search Rankings](https://hostingguider.com/blog/how-hosting-impacts-seo-and-search-rankings/) — Building a beautiful website is only half the battle. If search engines cannot crawl your pages quickly you will not rank well. Your web hosting infrastructure directly controls… - [How Server Location Affects Web Hosting Performance](https://hostingguider.com/blog/how-server-location-affects-web-hosting-performance/) — Every website lives on a physical computer called a server. When a visitor types your web address into their browser they are asking that server to send them… - [Optimizing Images for Faster Website Loading: A Hands-On Guide](https://hostingguider.com/guides/how-to-optimize-images-for-website-speed/) — Slow-loading images push visitors away before your page even appears. Studies from Google show that as page load time goes from one second to three seconds, the chance… - [How to Minify CSS and JavaScript for Better Website Performance](https://hostingguider.com/guides/how-to-minify-css-and-javascript/) — Slow websites lose visitors. A big chunk of that delay comes from heavy CSS and JavaScript files filled with extra spaces, comments, and long names that browsers do… - [The Role of Caching in Website Speed Optimization](https://hostingguider.com/blog/caching-website-speed/) — Slow websites lose visitors. Research from Google shows that as page load time goes from 1 second to 3 seconds, the chance of a visitor leaving jumps by… - [Understanding Website Uptime and Its Impact on Performance](https://hostingguider.com/blog/website-uptime-performance/) — Your website is your storefront, your support desk, and your sales team rolled into one. When it goes offline, all of that stops working. A few minutes of…