My problem / use case:

I'd like to know when someone creates a question with the a certain tag on the StackExchange network, so that I can (1) answer the question, or, if necessary, (2) advocate that the question be migrated to a more appropriate site/closed as a duplicate of a question on another site. For instance, if I monitored the tag, I could answer this question on Bicycles.SE. I have no idea if, say, Cooking.SE will tomorrow have a question by someone with a burned-out food processor.

The filters/tag sets and associated feeds are a great tool to solve this problem. However, many of the related tags that I'd like to filter are heavily represented on Electronics Design, which I monitor differently. Therefore, I need to exclude Electronics Design from the filter.

Why the current site doesn't solve my problem:

Currently, if I select a set of sites (not including Electronics Design) on the filters page, and then type in a tag name, any sites which don't currently use that flag are eliminated from the selection. This is a neat feature for some use cases, but it makes it impossible to exclude a single site (or small group of sites) from a filter.

Proposed new feature:

I'd prefer to have a third radio button in the list:

I'd like to include...

( ) All Questions
(o) Just questions tagged [______]


( ) All sites
(o) All sites except: [______] (+ checkboxes below)
( ) Just these sites: [______] (+ checkboxes below)

over simply eliminating the feature which limits "Just these sites" to sites which currently have the tag, because then I could catch new questions on sites which haven't been created yet.

Can we change the filters page so that a site (or set of sites) can be excluded from the filter?

  • 1
    Why can't you simply do "Just these sites" and select all but Electronics? May 7, 2011 at 19:39
  • 2
    @Rebecca - Because then I would miss sites which later create the tag. For instance, two weeks ago, Bicycles.SE didn't appear in the list because that question hadn't been asked yet. May 7, 2011 at 20:02
  • Ahhhh, ok. I see. The wording in your post confused me, sorry. May 7, 2011 at 20:04
  • 1
    Alternatively, selecting a tag could not limit to showing sites where the tag currently exists. May 7, 2011 at 20:06
  • @Rebecca - Any ideas on how I could improve the wording? I understand what I meant, but that doesn't mean it makes sense... May 7, 2011 at 20:09
  • 1
    @Rebecca - That was the other (less preferred) option. I tried to use your wording to clarify. May 7, 2011 at 20:11
  • Makes sense, +1. (: May 7, 2011 at 20:14
  • 5
    Eliminating certain sites from a filter would be very useful, especially now that there are language specific sites for Portuguese and Japanese. I would like to see all questions tagged with Excel but not if they are from the Portuguese or Japanese site, because I don't speak these languages.
    – teylyn
    Jan 14, 2015 at 6:49
  • 1
    See this meta.steckowerflow question, to understand @teylyn
    – Theolodis
    Jan 14, 2015 at 10:05
  • This would be really nice to have. Plus, the way you are suggesting it be used would increase answer quality across all sites. Win, win! Aug 17, 2016 at 20:00


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