# \[Do not delete\] JS loader

 UX/UI testing brings many advantages to software product development improving build quality into the product

Do not delete - JS loader with splashscreen -iframe brick

500

[https://www.3ds.com/assets/invest/3dmodels/model-viewer.html?glb-data=https%3A/…](https://www.3ds.com/assets/invest/3dmodels/model-viewer.html?glb-data=https%3A//www.3ds.com/assets/invest/3dmodels/Duck.gltf&poster=https%3A//assets.3ds.com/invest/3dmodels/landing.svg&loading=true&width=500&height=500)

Do not delete - JS loader with autoplay -iframe brick

500

[https://www.3ds.com/assets/invest/3dmodels/model-viewer.html?glb-data=https%3A/…](https://www.3ds.com/assets/invest/3dmodels/model-viewer.html?glb-data=https%3A//www.3ds.com/assets/invest/3dmodels/Duck.gltf&loading=true&width=400&height=400)