Optimizing image file sizes is critical for fast page speeds and professional SEO indexing. However, finding the right compression ratio can be challenging. Let's break down how modern compression works.
Lossy vs. Lossless Compression
Lossy compression reduces file sizes by permanently removing less important pixel data. Lossless compression, on the other hand, reorganizes file metadata without dropping any visual accuracy.
The Rise of WebP and AVIF
Traditional formats like JPEG and PNG are being outpaced by next-generation web image formats:
- WebP: Offers 26% smaller sizes compared to PNG, and 30% smaller sizes compared to JPEG.
- AVIF: Delivers even better quality-to-size performance, though browser rendering is still maturing.
Doing it Locally
Our browser image compressor utilizes canvas scaling and output rendering variables inside client threads to save you bandwidth and securely shrink assets without database tracking.