Hey, I am working on Cliqz Search [0] and would be very thankful if you point me to quality issues. I use it daily myself (in English) and will make sure those issues are addressed.
1. Search for a blog I follow
2. Look at the snippet for the blog's homepage
3. Figure out how long ago the page must have been crawled to get such an old snippet
I only tried a few, but they were months to years out of date.