What was the downside of animation and how did animators fix the downside ?

There are many downsides of animation for example it takes a lot of effort to create even a basic animation, you need skills in use an animation software, and too much animation on a page can be distracting and even annoying also it can take up a lot of bandwidth so it won’t take long to show over a slow Internet connection. Animators can fix the downsides by practicing to use the software and practice before doing the actual or final version of the animation they can also make sure that they have a strong Wi-Fi connection.

The vertical lines if trees

Are there any answer choice it would make it easier