Website Speed Optimization: A Complete Guide
Every second of load time costs you visitors, conversions, and rankings.
UX14 min read
/ Key takeaways
- →Speed affects conversions, bounce rate, and SEO.
- →Images and unused code are the most common culprits.
- →Aim for sub-2.5s loads and strong Core Web Vitals.
/ In this article
A complete outline of what this guide covers. Each section is being expanded into full detail — bookmark it and check back.
01Why speed matters
02Measuring your current speed
03Optimizing images
04Reducing code and scripts
05Caching and delivery
06Improving Core Web Vitals
/ FAQ
Common questions.
- How fast should my website be?
- Target under 2.5 seconds on mobile and aim to pass all Core Web Vitals thresholds.
- What slows websites down most?
- Unoptimized images, excessive scripts and plugins, and slow hosting are the usual offenders.
- Does speed affect SEO?
- Yes — page experience is a ranking factor, and faster sites also convert noticeably better.