Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Here's a screenshot of the Travel SE page, taken just now. Look at the middle entry:
Why is the listing so faint?
You've chosen to ignore some tags. (right hand side of main page). Any questions that appear with that tag on them get greyed out (if selected when you choose said tags).