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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.

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For questions about handling multiple human languages
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a piece of data stored by the user's web browser. Unless otherwise specified, cookies can be created, read, modified and deleted and modified both by JavaScript and from server-side …
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A value for the rel attribute in a <a href> HTML tag
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A meta tag that contains a description of your site.
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System that handles large amounts of data in an organised fashion.
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Questions relating to Webmasters using various Marketing methods to promote their online website(s).
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a type of resource record in the Domain Name System (DNS) that specifies that the domain name is an alias of another, canonical domain name.
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an Ecommerce platform written in PHP. It uses a configuration-based MVC system and heavily leverages Java style OOP patterns in the business logic, UI, and layout rendering application laye…
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IIS – formerly called Internet Information Server – is a web server application and set of feature extension modules created by Microsoft for use with Microsoft Windows.
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the File Transfer Protocol. The protocol is commonly used along side an FTP client for uploading and downloading files.
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In the Hypertext Transfer Protocol (HTTP), HTTP header fields contain the operating parameters of an HTTP request or response. With the request or response line (first line of message), they form the …
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Microsoft's internet search engine. Located at
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No-www refers to questions regarding the usage of domains without the A record www in front of the domain; topics may include questions regarding the removal of www, virtual host configuration, or the…
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a syntax for embedding structured data in HTML5, making use of vocabularies. If the question is about the popular vocabulary, use the tag [].
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a way for specifying preferred URLs using link elements in HTML pages within the HEAD tag. It can help in situations where more than one page has duplicate content. {link rel="canoni…
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Google's web browser.
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For questions about web errors of all kinds.
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applications that are accessed over the "web", which can mean the Internet, or an internal network (an intranet).
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Virtual hosting refers to the practice of hosting multiple websites on a single server.
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an electronic data file containing a set of glyphs, characters, or symbols such as dingbats. Although the term font first referred to a set of metal type sorts in one style and size, since t…
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a popular open source PHP-based CMS. There is a Drupal Stack Exchange at, so if your question is related to Drupal but not Pro Webmasters, then it should be …
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Is a HTTP header field that identifies the address of the webpage (i.e. the URI or IRI) that linked to the resource being requested.
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a cross-browser Javascript library that provides abstractions for DOM traversal, event handling, animation, and Ajax interactions for rapid web development.
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a server that queries and assigns human readable URL or IP address.
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(also referred to as rel="alternate" hreflang="x") tells Google which language you are using on a specific page, so the search engine can serve that result to users searching in that …
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Interface elements that allow a user to input data.
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Social media refers to the means of making interactions with other people online, often to create, share and exchange information and ideas.
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an HTML element that creates an "inline frame" within a document.
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API stands for Application Programming Interface. A program's API defines the proper way for a developer to request services from that program.
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the mathematical study of using probability to infer characteristics of a population from a limited number of samples or observations. Consider whether your question would be better at h…
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a web hosting control panel developed and sold by Parallels under the Odin brand.
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Amazon Web Services, a cloud-computing platform from by
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an e-commerce business allowing payments and money transfers to be made through the Internet.
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Questions related to the search for a web hosting provider. See this question before posting:
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a web design approach aimed at crafting sites to provide an optimal viewing experience—easy reading and navigation with a minimum of resizing, panning, and scrolling—acr…