If your total page weight is 2 MB, a single 633 KB image takes up nearly 30% of your entire data budget for that page. The Result: Slower rankings and fewer visitors. 2. Why 633 KB is "Large" for a Blog
Keep these under 100 KB whenever possible. (633 KB)
If your blog's content area is only 800 pixels wide, there is no reason to upload a 4000-pixel-wide image. If your total page weight is 2 MB,