1) Flickr


Optical impression:
✅ Wide screen (responsive)
⛔️ Disorderly arrangement
⛔️ Little space between the pictures is annoying when viewing,
⛔️ Portrait format images are disadvantaged to landscape format images

Information:

✅ Image description
⬜ Image title (only visible with mouse over)
⬜ Photographer (only visible with mouse over)
⬜ Number of comments (only visible with mouse over)
⬜ Rating by the community (only visible with mouse over)
⛔️ No publishing date
⛔️ No number of visits


2) 500px


Optical impression:
✅ Wide screen (responsive)
✅ Better distance of the pictures (compared to Flickr)
✅ Better diameters of the pictures
⛔️ Disorderly arrangement
⛔️ Portrait format images are disadvantaged to landscape format images

Information:
⬜ Photographer (only visible with mouse over)
⬜ Rating by the community (only visible with mouse over)
⬜ Number of visits (only visible with mouse over)
⛔️ No image title
⛔️ No image description
⛔️ No publishing date
⛔️ No number of comments


3) Fotocommunity (very similar to 500px)


Optical impression:
✅ Better distance of the pictures (compared to Flickr)
✅ Better diameters of the pictures
⛔️ No wide screen
⛔️ Disorderly arrangement
⛔️ Portrait format images are disadvantaged to landscape format images

Information:
⬜ Image title (only visible with mouse over)
⬜ Photographer (only visible with mouse over)
⬜ Number of visits (only visible with mouse over)
⬜ Number of comments (only visible with mouse over)
⬜ Rating (only visible with mouse over)
⛔️ No publishing date
⛔️ No image description


4) Fotoforum


Optical impression:
✅ Better distance of the pictures (compared to Flickr)
✅ Portrait format pictures not disadvantaged
⬜ Rather condensed arrangement
⬜ Rather small thumbnails
⛔️ No wide screen setting
⛔️ No background color setting

Information:
⬜ Image title (only visible with mouse over)
⬜ Photographer (only visible with mouse over)
⬜ Number of visits (only visible with mouse over)
⬜ Number of comments (only visible with mouse over)
⬜ Rating (only visible with mouse over)
⛔️ No publishing date
⛔️ No image description


5) c't Fotografie (Heise online)


Optical impression:
✅ Neat, tidy arrangement
✅ Better distance of the pictures (compared to Flickr)
✅ Portrait format pictures not disadvantaged
⛔️ No wide screen setting
⛔️ Background color not ajustable

Information:
✅ Image title
✅ Photographer
✅ Date of publishing
⛔️ No image description
⛔️ No number of comments
⛔️ No rating by the community
⛔️ No number of visits

The large format presentation has the disadvantage that there are fewer clicks to the photographers' original pages. Against search engine operators such as Google or Bing was successfully sued. With sharing sites this legal problem does not exist, but the reduced traffic to the photographer accounts is not pleasant.


6) ipernity


Optical impression:
✅ Neat, tidy arrangement
✅ Better distance of the pictures (compared to Flickr)
✅ Portrait format pictures not disadvantaged
✅ Wide screen setting
✅ Background color adjustable (⭐ unique feature)
✅ Previews adjustable: unframed / framed / mounted (⭐ unique feature)

Information:
✅ Image title
✅ Photographer
✅ Publishing date
✅ Number of comments
✅ Rating by the community
⛔️ No image description
⛔️ No number of visits

_______________________________


7) Google
(non-competitive, no sharing community)


Optical impression:

✅ Better distance of the pictures (compared to Flickr)
✅ Wide screen (responsive)
⬜ Rather small thumbnails
⛔️ Portrait format pictures disadvantaged

Information:
✅ Link to the source
⛔️ No image title
⛔️ No image description
⛔️ No photographer
⛔️ No date of publishing
⛔️ No number of comments
⛔️ No rating by the community
⛔️ No number of visits


8) Bing (non-competitive, no sharing community)


Optical impression:
✅ Better distance of the pictures (compared to Flickr)
✅ Wide screen (responsive)
✅ Improved optical separation by framing
⬜ Rather small thumbnails
⛔️ Portrait format pictures disadvantaged

Information:
✅ Link to the source (can be switched off)
✅ Image title (can be switched off)
⛔️ No image description
⛔️ No photographer
⛔️ No date of publishing
⛔️ No number of comments
⛔️ No rating by the community
⛔️ No number of visits

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▶️ In the meantime Falk Preusche has made this comparison available as a very clear Excel table.