Data Time Calculator Impact of Web Speed

Because it directly impacts user experience, SEO, and conversions. Google has documented that each second of delay reduces conversions by 7%. Additionally, 53% of mobile visitors abandon a page that takes more than 3 seconds to load.

They represent the percentage of a person's total lifetime (approximately 80 years or 2.5 billion seconds) spent waiting for your page to load. Though small individually, multiplied by millions of users, they represent enormous amounts of wasted human time.

4G is standard in developed countries. However, millions of users in developing countries still rely on 3G. This is why it is crucial to optimize your site for all connection speeds.

Google recommends that the homepage load in less than 3 seconds on a typical 4G connection. For this, a site should ideally weigh between 1-2 MB. However, the global average is close to 2-3 MB.

Main strategies: optimize images (50-80% of weight), minify CSS and JavaScript, use lazy loading, implement browser cache, and use a CDN. Image optimization is usually the most impactful factor.

Yes, absolutely. Google considers Core Web Vitals as important ranking factors. A slower site will rank worse than a faster one, even with similar content.