Analyze image
Performance instantly.
Analyze your website images, loading speed, and optimization issues in seconds. Detect oversized files, missing WebP/AVIF formats, and performance bottlenecks instantly.
Free for any public URL · No account needed · Results in under 30 seconds
A complete image
performance report
We scan every image on your page and identify exactly what’s slowing you down.
Checks if images are served in modern formats (WebP/AVIF) vs legacy PNG/JPEG.
Identifies over-sized images that haven’t been properly compressed before upload.
Detects images served at a larger size than needed for their display dimensions.
Checks if below-the-fold images use loading=”lazy” to defer non-critical loads.
Verifies images have proper Cache-Control headers for browser and CDN caching.
Identifies your Largest Contentful Paint image and checks if it’s preloaded correctly.
Frequently asked questions
What is the SpeedImgs Analyzer?
The SpeedImgs Analyzer scans your website to detect image optimization issues, large files, and performance bottlenecks affecting loading speed.
Is the Analyzer free to use?
Yes, the Analyzer is completely free and works instantly for public websites.
How long does a website scan take?
Most scans complete within a few seconds depending on website size and image count.
Do I need technical knowledge to use the Analyzer?
No, the Analyzer is beginner-friendly and provides easy-to-understand insights.
Can I analyze multiple pages?
Yes, you can analyze different pages individually to identify performance issues across your website.
What image formats does the Analyzer detect?
The Analyzer supports JPEG, PNG, WebP, AVIF, GIF, and SVG image formats.
Can the Analyzer detect oversized images?
Yes, it identifies images that are unnecessarily large and slowing down your website.
Does the Analyzer check WebP and AVIF usage?
Yes, it detects whether modern image formats like WebP and AVIF are being used properly.
Will image optimization reduce image quality?
No, optimized images maintain visual quality while significantly reducing file size.
Can the Analyzer find uncompressed images?
Yes, it highlights images that can be compressed for better performance.
Does the Analyzer detect missing lazy loading?
Yes, it checks whether lazy loading is enabled for images.
Can I analyze background images?
Yes, the Analyzer can detect performance issues caused by background images.
Why do large images slow down websites?
Large images increase page load time, bandwidth usage, and negatively affect user experience and SEO.
Does the Analyzer help improve Core Web Vitals?
Yes, it identifies issues affecting metrics like Largest Contentful Paint (LCP) and overall performance.
Can I analyze mobile website performance?
Yes, the Analyzer works for both desktop and mobile responsive websites.
How often should I scan my website?
It’s recommended to scan your website regularly, especially after adding new images or content.
Does the Analyzer check page load speed?
Yes, it evaluates image-related performance factors that impact loading speed.
Can image optimization improve SEO?
Yes, faster-loading websites often achieve better search engine rankings and user engagement.
Does the Analyzer work with WordPress?
Yes, it works with WordPress, WooCommerce, Elementor, Divi, Gutenberg, and other builders.
Can I analyze Shopify or custom websites?
Yes, the Analyzer supports most modern CMS platforms and custom websites.
Is my website data stored?
No, the Analyzer only scans publicly accessible resources and does not store sensitive data.
Is the scan safe for my website?
Yes, the Analyzer performs a read-only scan and never modifies your website.
Can password-protected pages be analyzed?
No, only publicly accessible pages can be scanned.
Does caching affect Analyzer results?
Caching may improve load speed, but optimization opportunities can still be detected accurately.
Images optimized with SpeedImgs