Did you know if your website takes longer than 3 seconds to load, you could end up losing 50 percent of your visitors? (Source)

This fact makes the question even more relevant—which image format should you use in your blog post, PNG or JPG?

After all, images directly affect the page loading time and UX.

Which one is better for you?

Should you use JPG or PNG for Blog?

PNG and JPEG Comparison

JPG or JPEG is Joint Photographic Experts Group (a team who developed it). It is a lossy compression of images which is comparatively smaller in size.

PNG is Portable Network Graphics. It is a lossless compression of an image which is much clearer and has a transparent background. It is comparatively large in size.

Background of PNG and JPG images | Courtesy- Lettering Delights
(Which is smaller PNG or JPG – JPG)

Which Image Format You Should Use?

The basic rule is if the image is text-heavy, PNG should be your go-to because it is crisper and has high clarity. For example, graphs, diagrams, and infographics—they also should be in PNG format so that they can be consumed easily.

On the other hand, if the image is just a regular photograph or real-life image, JPG is a better choice. Because it is just purposed for viewing and not to read. So even when the image has blurred edges, it won’t be much of a problem.

PNG and JPEG comparison

How to compress images?

Mentioned already, large media files increase the loading time. So make sure to avoid heavy images. If they are too big, compress them.

Here are few tools you can use: Compress JPG, Compress PNG, TinyJPG, PNG to JPG.

Compress and convert JPG and PNG images
Check your website speed here and see if any picture is slowing down your webpage. If yes, make them smaller.

Also Read: 7 Image Optimization Best Practices

This is a 2-minute read. For more time-saving resources, please go here
Asif Ali

Asif is a certified content marketer and professional full-stack writer with 3 years experience in his pockets. Stratightedge, blogger and a full-time cloud-lover, find him on Facebook and Twitter.


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