Quick Definition
How quickly a web page loads and becomes interactive for users.
In-Depth Definition
Page speed refers to the time it takes for a web page to fully load and become interactive in a user's browser. It encompasses multiple metrics including Time to First Byte (TTFB), First Contentful Paint (FCP), Largest Contentful Paint (LCP), and Interaction to Next Paint (INP).
Page speed is a confirmed Google ranking factor and directly impacts user experience, bounce rates, and conversion rates. Slow pages lose users: research shows that a 1-second delay in page load time can reduce conversions by 7%. For AI crawlers, slow page speeds can also limit how efficiently they crawl your site.
Optimizing page speed involves image compression and modern formats (WebP, AVIF), code minification and bundling, CDN implementation, server-side caching, lazy loading for below-the-fold content, reducing third-party script impact, and implementing efficient JavaScript execution.
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