Pick one viewport-sensitive image path
Use a homepage hero, product image, editorial hero, listing thumbnail, or app image that is oversized on at least one viewport.
Skymage is built for teams that want a clear image delivery test before changing routing or device-aware optimization workflows. Keep the current public origin, request explicit variants, and expand only after one page proves measurable value.
https://static.example.com/home/hero.jpg
https://demo.skymage.net/v1/static.example.com/home/hero.jpg?w=1440&f=avif&q=84
https://demo.skymage.net/v1/static.example.com/home/hero.jpg?w=720&f=webp&q=80
Use Skymage when the comparison is about explicit delivery variants for images you already publish. Keep device-detection, CDN routing, and application logic stable until one measured page justifies broader rollout work.
| Need | Skymage test | What to measure |
|---|---|---|
| Existing-origin image delivery | Place the current image host and path after /v1/ and request exact width, quality, and format variants. | Whether the URL resolves, caches, and keeps the current origin workflow unchanged. |
| Explicit responsive variants | Create desktop, mobile, and thumbnail URLs using width, crop, WebP, AVIF, and quality parameters. | Bytes saved per viewport, rendered dimensions, and visual quality. |
| Core Web Vitals proof | Route one hero, product, article, or listing image pattern through Skymage first. | Transfer size, LCP pressure, cache behavior, and whether the HTML can safely reference the variants. |
| Low-risk rollout | Validate one repeated path before changing CDN DNS, device logic, or image middleware. | The smallest URL pattern that can justify broader routing work. |
A useful ImageEngine alternative test should reduce uncertainty before the bigger infrastructure decision: one image path, a few explicit variants, and evidence from a real page.
Use a homepage hero, product image, editorial hero, listing thumbnail, or app image that is oversized on at least one viewport.
Generate desktop, mobile, and thumbnail URLs with clear dimensions and modern output formats.
Measure transfer size, cache behavior, rendered dimensions, and LCP pressure before changing CDN routing or middleware.
Send one public URL and Skymage will identify the image path worth testing first, the explicit variants to try, and the evidence to collect before changing CDN routing or device-aware optimization workflows.
Create a Skymage CDN URL, prepend it to your existing image URLs, and let the edge handle optimization, transforms, and delivery.
No credit card required. 14-day free trial.