Images play a big role in both the aesthetics and speed of your website. But if not optimized correctly, they can slow down your load time and hurt your SEO rankings. Fortunately, tools like Google PageSpeed Insights make it easy to monitor how your images are performing and what needs fixing.
This guide will show you how to use PageSpeed Insights to analyze image performance and take action using tools like ProCompressor to boost loading speed and SEO scores.
PageSpeed Insights (PSI) scans your website and provides suggestions under “Opportunities” and “Diagnostics.” If images are too large, in the wrong format, or not lazy-loaded, PSI will flag them. Fixing these issues improves Core Web Vitals — a ranking factor for Google Search.
Key Metrics for Image Performance
- Largest Contentful Paint (LCP): Measures how long the largest visual loads. Images often affect this metric.
- Total Blocking Time (TBT): Poorly optimized images can cause layout shifts and delays.
- First Contentful Paint (FCP): Speed of rendering first visible content. Images influence this too.
Common PageSpeed Image Warnings
- 🟥 Serve images in next-gen formats (WebP or AVIF)
- 🟥 Efficiently encode images (over-compressed or uncompressed)
- 🟥 Properly size images (don’t upload larger than needed)
Step-by-Step: Fixing Issues
- Run your URL through PageSpeed Insights
- Check for image-related warnings under Opportunities
- Download flagged images
- Upload them to ProCompressor and convert to WebP, resize & compress
- Replace old images on your site with optimized versions
Why Use ProCompressor?
ProCompressor helps you fix PageSpeed suggestions in seconds. It allows bulk compression, resizing to match your layout, and export in WebP format. Plus, it’s AdSense-safe and doesn’t degrade visual quality — ideal for blog posts, ecommerce sites, and portfolios.
Best Practices for Long-Term Optimization
- 🖼 Always use 1200×675 px for featured images (Google Discover ready)
- 💨 Enable lazy loading for below-the-fold images
- 🔍 Rename files with SEO keywords
- 📝 Use descriptive alt text for every image
FAQs
Do compressed images hurt quality?
No, if you use smart compression with tools like ProCompressor, the difference is not visible to the human eye.
What’s the best image format for SEO?
WebP is recommended because it maintains high quality with smaller file sizes.
Final Thoughts: Monitoring your images through PageSpeed is not just about speed — it’s about boosting SEO, improving UX, and increasing traffic. By using ProCompressor to fix every image-related warning, you can get a perfect PageSpeed score and grow your website faster.
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