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 which focus on the live refresh features such as vote updates and new edit, answer, and comment notifications.
204 questions
for questions about Stack Exchange RSS feeds (existing or proposed) and the bot in chat that posts messages when preselected RSS feeds are updated
204 questions
For issues with how Stack Exchange sites look or work that are specific to Firefox.
204 questions
OFF-TOPIC. This tag is for questions relating specifically to the use of JavaScript on the Stack Exchange sites.
203 questions
Questions about the live Markdown preview of posts as they're being typed.
203 questions
For questions related to user privacy.
202 questions
fetched and displayed on the Stack Exchange network. This is not for general Gravatar support inquiries.
201 questions
For posts about security issues centered around Stack Exchange. If you think you found a serious security vulnerability, please report it on the Security page found at https://stackexchange.com/about/…
200 questions
is used for questions relating to how information is displayed to Stack Exchange users.
199 questions
a JavaScript engine for displaying mathematics, available on some Stack Exchange sites.
199 questions
Content posted as an answer that doesn't actually answer the question at hand may be flagged "Not an Answer". Note *bad* answers are not eligible for this kind flag.
199 questions
For issues with how Stack Exchange sites look or work that are specific to Google's Chrome browser.
198 questions
The component of the SE post editor that allows users to upload images to i.stack.imgur.com and display them in the post.
196 questions
Indicates that the circumstances behind a bug report are set to be internally reviewed, or that the feature request contains merit to consider but the decision on its approval or decline requires more…
195 questions
off topic on the site it was asked may be migrated to a different StackExchange site as part of being closed as "off topic", if the users voting to close felt it was good enough to …
194 questions
A feature of StackExchange chat, "oneboxing" automatically inlines links that are posted on a single line by themselves.
194 questions
The flagging summary page shows a summary of the flag history for the currently logged-in user.
192 questions
processed and rendered by the system.
192 questions
is for questions related to policies of Stack Exchange.
189 questions
Indicates that the feature request or bug has merit to consider, but will not be implemented or fixed in the near term.
189 questions
Some changes to questions, such as edits or receiving new answers, will "bump" them back onto the site's front page where the changes can be vetted by other users. **Do not use this tag to bump questi…
186 questions
is for questions about being notified of Stack Exchange events by email.
186 questions
Newsletter service (also called 'Digest'), introduced in July 2011, dishing out the top posts of a Stack Exchange site
186 questions
The new navigation system, in beta test as an opt-in feature on Stack Overflow, Meta Stack Overflow and Meta Stack Exchange
186 questions
For questions about the badges awarded for specific tags.
185 questions
Stack Exchange's own OpenID provider, used for "log in with Stack Exchange" and potentially used for logging into other OpenID consumers.
184 questions
For questions about timestamps that appear in notices and tooltips upon hovering those notices.
183 questions
manner of conducting oneself in regards to the characteristics/expectations of Stack Exchange
182 questions
Locking a question prevents answering, editing, commenting, voting, closing, and reopening. Answers must be locked separately and may still be voted upon. Only diamond moderators may lock posts.
179 questions
Discussions of the Code of Conduct (CoC), the replacement/revision of the Be Nice policy.
177 questions
For discussing spelling-related edits, asking about preferred spellings, or reporting spelling problems on the site itself.
176 questions
For questions about the copyrights of the Stack Exchange sites themselves or about the posting of copyrighted material by users.
175 questions
For questions about old questions.
172 questions
Tag filters (AKA the Stack Exchange™ GlobalTag MegaBlender™), as seen at https://stackexchange.com/filters.
172 questions
answers that are barely more than a link to another page.
172 questions
for questions concerning actions leading to bad behaviors or bad purposes, considered or suspected to be against Stack Exchange policies or the collaboratively philosophy of any Stack Exch…
169 questions
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