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.
Anything related to the Sitecore Experience Accelerator (SXA)
For questions related to the Sitecore Experience Database (xDB). If you're using Sitecore 7.2 or earlier, use the `dms` tag instead.
Questions about searching (querying) Sitecore projects with the ContentSearch API. Use the Lucene or Solr (or Coveo) tags if the question is specific for any of those technologies.
For questions related to the Sitecore administrative interface - commonly referred to as Shell or Client - where authors and developers log in to create and manage content, analytics, permissions, etc…
the Sitecore commerce API for storefront developers and is an integration layer between a front-end webshop solution and a back-end external commerce system.
Anything related to Solr indexes: querying, configuring, maintaining, ...
Use for all Sitecore 8+ page editing questions specifically using the Experience Editor.
configured, including .config files, patching, available settings, etc.
For questions related to the Content Editor interface. Includes context menu, ribbon, content tree, field sections, field validations, etc.
Questions related to security in all it's aspects (as long as related to Sitecore). Can be Sitecore product security or security of your Sitecore application.
Questions related to the publishing features - old school publish or publishing service. Questions about the publishing service specific should be tagged with the publishing-service tag.
Sitecore Experience Analytics contains dashboards and tools, that let you view detailed data about your website's visitors in real time. You can use these reports to give your sales team relevant info…
Questions related to Sitecore presentation components: layouts, sublayouts, renderings, presentation details, etc.
Questions relating to the Glass.Mapper.Sc ORM framework. More information about the framework is available here: http://www.glass.lu/
Anything related to media stored in the database or file system and created as items in the Media Library.
For questions related to xConnect, the API service layer abstracting the storage architecture of xDB from those accessing xDB data.
Anything related to the Sitecore PowerShell Extensions (SPE) module or general Windows PowerShell.
For questions related to Sitecore's API, covering questions about how to access, create, update or or delete data, as well as questions about how the Sitecore code-base is or can be used for custom or…
the successor of Email Campaign Manager (ECM). EXM allows you to create personalized email campaigns, do A/B testing and view detailed analytics reports.
Questions about indexes in Sitecore (standard or custom) in general. For questions that apply to Lucene or Solr, use the appropriate tags.
For questions related to the language features of Sitecore, such as multi-language items and language fallback.
For questions relating to the Sitecore Install Framework introduced in Sitecore 9.
Anything related to Lucene indexes: querying, configuring, maintaining, ...
Question regarding Helix: a set of overall design principles and conventions for Sitecore development on helix.sitecore.net
Questions about working with all the Sitecore pipelines: custom processors, patching, configuring, ...
All questions related to the use of MongoDB in a Sitecore environment - xDB, sessions, ...
For questions related to the installation of a Sitecore instance, package, or update package
Questions about community-accepted best practices. Indicates that the question seeks guidance on Sitecore best practices. These questions have somewhat more latitude to be "broad" than normal question…
Questions about all possible caching mechanisms in Sitecore, Sitecore projects or Sitecore related modules
Anything related to Azure Search: querying, configuring, maintaining, ... Azure (PaaS) replacement for Solr and Lucene.
Questions related to the personalization features of Sitecore - setup, usage, coding, ...