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While a file size is relatively small for many modern documents, it is actually quite heavy for a single blog post image . In web performance optimization, large file sizes can significantly slow down page load times, which negatively impacts SEO and user experience.

Google and other search engines prioritize page speed as a critical ranking factor. A page that takes more than 3 seconds to load sees a massive spike in bounce rates. (633 KB)

If your blog's content area is only 800 pixels wide, there is no reason to upload a 4000-pixel-wide image. While a file size is relatively small for