: I would not recommend changing the resolution of an image at an existing URL. I don't think it would hurt SEO, but it can cause problems with browsers. If there is an image tag like

@Megan663

I would not recommend changing the resolution of an image at an existing URL. I don't think it would hurt SEO, but it can cause problems with browsers. If there is an image tag like

<img src="big_image.jpg" width=400 height=400>


but you are now serving at 800x800 image at that URL, it will generally look horrible in browsers. When browsers re-size images they do so very badly. They tend to use linear scaling which is fast, but which introduces very noticeable artifacts ("jaggies") into the images.

You would have the same problem if you redirected the big photo to the huge photo.

You should do your middle suggestion:


Leave on my server old restaurant-photo_big.jpg (not linked anywhere) and create restaurant-photo_huge.jpg

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