aiuto

we have 3 plugins: Bluehost, disable comments, jetpack WordPress.com

Great! this question seems to be answered by your indication RossMitchell, thanks!
Some other issues are still there, they will come on another topic.

The theme is “twenty twelve” which is part of free themes taken from WordPress platform. No image template and no customization.

Here is a link to one page with photo:

https://www.gassergisler.ch/aktuell/1-reise-2/

The line “Ver?ffentlicht am 02/02/2018 bei 1024 × 768 in aktuell” is unwanted and I would like to remove. Thank you!