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Serving Images in Next-Gen Formats

Blog post from Prismic

Post Details
Company
Date Published
Author
Nefe Emadamerho-Atori
Word Count
2,753
Company Posts That Month
4
Language
English
Hacker News Points
-
Post removed?
No
Summary

Effective image optimization is crucial for enhancing website performance, as heavy images can slow load times and result in high bounce rates, which negatively affect SEO and user experience. Next-gen image formats like JPEG 2000, WebP, AVIF, and SVG offer improved compression and quality, making them ideal for web use. These formats support both lossy and lossless compression, allowing for smaller file sizes without compromising image quality, which leads to faster load times and better search engine rankings. Image optimization techniques include converting images to modern formats, compressing images, using appropriate dimensions, and implementing lazy loading to improve Core Web Vitals. Best practices for using images on websites involve optimizing for SEO, ensuring responsiveness and accessibility, and using CMSs with built-in image optimization tools. Serving images in next-gen formats through methods like online conversion tools, Next.js image components, image CDNs, and the picture HTML element can significantly reduce file sizes, enhance user experience, and lower processing costs, ultimately improving website performance and search engine rankings.

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