I could not find the meta of Web Applications. It should have been easier to find (I did not find it actually, I just added "meta" to the URL).
- You can scroll to the footer and click the 'Feedback' link (left)
- As @Arulkumar noted in the comments, there's a link to Meta in the Help Center menu (right)
- Some sites have Hot or Featured Meta Posts (Web Applications currently does not have them). You can reach Meta by clicking on one of those posts: