A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.
For questions about the promotion of the site and/or about attracting *new* users to visit and participate in Web Applications.
For questions about competitions on the site (originally relevant around the time Web Applications graduated), so this is unlikely to be of use on new questions.
for questions specifically about the process of asking questions on this site.
For questions about quantities relevant to Web Applications. e.g. “unanswered questions” count, total number of questions, visits/day and other measures such as obtainable through https://data.stackex…
About questions on the main site that have no answers at all.
Refers to all questions deleted from Web Applications. The tag "specific-question" should also be used when referencing a specific question that has been deleted.
For questions about search and advanced search features.
For questions about the system that allows the display of approval and disapproval, and determines user reputation, hence privileges. For questions about voting applied for other purposes see other ta…
a lightweight, plain-text, markup language. It is used across the entire Stack Exchange network for post formatting (Questions, answers, wikis, chat).
Indicates that the site developers were not able to replicate the behavior reported.
How best to use those posts, both questions and answers, that are marked as editable by everybody and thus have no owner.
Questions about how moderation works on Web Applications. About: how to moderate; particular moderation events; moderator pages; abilities; decisions and such like.
Questions about the various user interface and email elements used to notify users of events on the site.
a way to get additional attention for a question by offering some of your own reputation for great answers.
for questions about the official blog of Web Applications. The blog no longer exists as of March, 2017
an editable page that briefly summarizes the topic of the tag and that may provide links to existing questions that are often useful to many people.
For questions about the characters or character combinations blocked from appearing in posts and about tags that may not be created.
For questions about the process and etiquette of creating new tags.
For questions about the user profile pages, which may contain some details of the questions and answers posted and of other activity on the site.
For questions about hyperlinks (but for formatting these see [formatting]), permalinks, shortened, internal, external, 'magic' and dead links.
For questions about the OpenId open standard for logging in to many websites, including Web Applications, with a single set of third-party credentials, as applicable to accessing this site.
Indicates that the feature request will not be implemented, or that a bug will not be fixed at present time.
For issues connected with site access to Web Applications as a registered user.
Questions pertaining to the beta phase of our Stack Exchange site, before it graduated.
As a string of characters that identifies a realm of authority within a Domain Naming System (DNS) this tag was mainly of relevance around the time Web Applications graduated and is unlikely to be of …
Answers that were valid at one time but have ceased to be.
For questions about canonical questions, i.e. those often used or referred to.
For questions about cleaning up a tag or tags, be that removing the tag, clarifying the wiki and/or excerpt, or other.
use for any questions specifically concerning answers that have been deleted.
Questions also answered by the user asking, easily marked by the shaded user card attached to the answer.
For questions about how historical locks work and requests to have a historical lock added or removed from a question.
used to query the community on the specifics of a particular answer posted on the main site or the meta site.
For (meta) questions about (main site) questions of an artificial nature whose purpose is to promote a product or service or increase the quantity of posts rather than as a genuine search for informat…