WordPress built-in compression of images? How well does it compare to Photoshop or Shortpixel?

The question:

I think the quiestion is pretty straight forward.

I have around 5000 images I want to upload. I need to compress them somehow, but how?!

Photoshop compression
use the built-in compression of new wordpress versions.

Like does Photoshop do anything better? Because the only thing I can see in Photoshop is basically the % of compression for jpg. It also offers a preview of the image but I don’t really care nor need that for these types of images. I would do it in a batch either way.

So yeah, really? What is the difference and what would be beneficial in using the Photoshop compression or Shortpixel compression?

The Solutions:

Below are the methods you can try. The first solution is probably the best. Try others if the first one doesn’t work. Senior developers aren’t just copying/pasting – they read the methods carefully & apply them wisely to each case.

Method 1

The only true answer to this is to try an image in all three and compare the results. Photoshop and Shortpixel are off topic here, but also change with time so any answer would be out of date. You will need to look at non-WordPress resources to figure out the best optimisation strategy.

As for WordPress, it does nothing special as far as compression is concerned. You can adjust the quality % value of resized images when they’re JPEGs but that’s it. WordPress does not modify the uploaded image to try and optimise it.

All methods was sourced from stackoverflow.com or stackexchange.com, is licensed under cc by-sa 2.5, cc by-sa 3.0 and cc by-sa 4.0

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