Yes. On many photo-sharing sites, EXIF visibility is controlled by the person who uploaded the image, so availability varies by photographer.

From the answers given:

• Flickr can show EXIF if the uploader chooses to make it visible.
• Fotki can also show EXIF, sometimes as a limited summary on the page.
• If a site offers a “download original” option, the original file may still contain the full embedded EXIF even when the page only shows partial data.
• You can also use EXIF-viewer websites or browser extensions for Chrome and Firefox to inspect metadata from images when it’s available.

Keep in mind that not every image will retain EXIF: some sites strip metadata, and some photographers intentionally hide it. Also, EXIF is useful for learning exposure and lens settings, but it doesn’t tell the whole story about lighting, editing, subject distance, or photographer technique.