All scaled photos and thumbnails (above half a million) shown on the site have been regenerated using a better compression algorithm and now they look nicer:
Before:
Now:
Subtle but important to keep quality high across the site
Your original photos are kept unchanged as you uploaded them, this improvement only applies to the resized versions shown at wikiloc.com.
Hope you like it!
[Update] These photos were taken by ClipperCreekWanderer along Lake Powel-Rainbow bridge /Echo camp and Bryce Canyon NP-Navajo loop trails, both in Utah (USA)