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PageSpeed Insights.

Google PageSpeed Insights is a free tool that analyzes the loading speed and Core Web Vitals of a website and rates them on a scale of 0–100. Score 90–100 = good (green), 50–89 = needs improvement (orange), below 50 = poor (red). DLM Digital achieves 95–100 on all projects.

PageSpeed Insights — Explained in Detail

Google PageSpeed Insights (PSI) is a free tool from Google that analyzes the loading speed and user experience of a webpage. It provides a Performance Score from 0–100 — based on a combination of lab data (Lighthouse simulation) and field data (real Chrome user data). A score of 90–100 is considered 'good' (green), 50–89 as 'needs improvement' (orange), below 50 as 'poor' (red). PSI analyzes separately for mobile and desktop.

The PageSpeed Score is composed of weighted metrics: LCP (Largest Contentful Paint, weight 25%), INP (Interaction to Next Paint, 30%), CLS (Cumulative Layout Shift, 15%), FCP (First Contentful Paint, 10%), TTFB (Time to First Byte, 10%) and TBT (Total Blocking Time, 10%). Each metric has a target value — websites that perform well across all metrics achieve high scores. However, the score alone is not a direct ranking factor; the underlying Core Web Vitals are.

DLM Digital achieves PageSpeed Scores of 95–100 on desktop and 90+ on mobile for all developed websites — consistently. This is no coincidence: it requires consistent image optimization (WebP/AVIF, srcset), code splitting, minimal JavaScript, server-side rendering and CDN setup. Use pagespeed.web.dev to analyze your current website — the reports show exactly which optimizations would have the greatest impact.

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Frequently Asked Questions About PageSpeed Insights

Not directly. The score itself is not a ranking factor — the underlying Core Web Vitals are (LCP, INP, CLS). However, a high score means your Core Web Vitals are good. Additionally, a fast website directly impacts user satisfaction, bounce rate and conversion rate — all indirect ranking signals.

Mobile simulations in PageSpeed Insights use a slower CPU and connection speed (simulated 4G). This reveals performance problems that are not noticeable on desktop: images too large for mobile connections, render-blocking JavaScript on slower processors, and interfaces not optimized for touch. Mobile optimization requires separate measures.

The biggest levers: 1) Convert images to WebP and size them correctly. 2) Lazy loading for images below the fold. 3) Minimize JavaScript and set defer/async. 4) Inline critical CSS. 5) Improve server response time (fast hosting, CDN). 6) Optimize web fonts. PageSpeed Insights shows specific improvement suggestions for each metric.

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Apply this knowledge to your website — DLM Digital will help you.