File Upload Limits
Each website has a limit of 20MB for file uploads, which should be plenty for most users. Because of this, it is very important that webmasters optimize all images that will be uploaded.This pigeon is around 235kb in size.

The pigeon below is only 72kb – less than a third of the above.

See any real differences? Optimizing your images does 3 things:
- It makes images quicker to upload
- It makes your page load faster for people looking at it
- You can fit more images into a limited space
Simply making an image smaller does not necessarily make the filesize smaller. You need to optimize the image.The original image of that pigeon is 1.2MB so that top image is already 1/6 of the size and the bottom image is 16% of the original size. But it still looks okay.There are many programs which you can use to optimize images. Packages such as Photoshop or Paint Shop Pro will do it, but there is no need to spend money on doing this, when these are free:

