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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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the process of improving the visibility of web content in search engines using an understanding of search engines' processes and algorithms. Also known as "natural"…
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an American multinational public corporation invested in Internet search, cloud computing, and advertising technologies.
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a free web analytics solution provided by Google, featuring several client-side APIs, as well as REST APIs for Data Export and for Management.
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A Google web-based console that provides additional insight into a registered website's search performance and potential issues.
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hostnames that identify Internet Protocol (IP) resources such as web sites. They provide a human-friendly, easily recognizable and memorizable names to numerically addressed Internet resou…
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Google's Search Engine
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The setting up and running of a server to serve web pages via the Internet or LAN. Technical questions about the server (if you have access to it) maybe best asked on Read the answers…
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Directory-level configuration file found mostly on Apache web servers
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A page, link or command that points URL requests to another URL in the world wide web. Redirects can be either server-side or client-side through the use of javascript.
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an open source content management system running on PHP and MySQL often used as a blog engine. There is a WordPress StackExchange at if your question …
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the predominant markup language used for creating web pages. In modern web pages, HTML is used to markup the contents of the website, while CSS and Javascript are u…
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an address for a file or resource that specifies where that resource is, and how to go about retrieving it.
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a free server-side, general-purpose scripting language that is especially suited for web development. Originally PHP stood for Personal Home Page, now it stands for PHP: Hypertext Preprocessor.
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the Domain Name System, a hierarchical, distributed database to map various information together, such as hostnames to IP addresses. The name is also used as a synonym for nameservers, the spec…
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an Open Source Web server, which originated from a series of patches to the NCSA HTTPd. Apache is the world's most popular Web server, which is run on 54.90% of all Web serve…
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the HTTP status code for a permanent redirect.
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the secure version of the hypertext transfer protocol (HTTP). It usually uses port 443 and is powered by the TLS (formerly SSL) cryptographic protocol.
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A computer program that accesses web pages for various purposes (to scrape content, to provide search engines with information about your site, etc.)
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program that searches documents for specified keywords and returns a list of the documents where the keywords were found.
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the bot software that Google uses to crawl over 20 billion pages each day, the data obtained during a crawl is then analyzed and ranked on Google Search.
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the development of sites on the World Wide Web or private intranets. It includes many topics including server side programming, client side scripting, web services and site design. …
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The process of recording where particular words occur. In the web context search engines crawl the web and make a list of which pages have particular words - this is the index.
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a dialect of the standardized ECMAScript programming language, primarily used for scripting web-pages. Use this tag for questions regarding ECMAScript and its dialects/ implementations: …
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a list of pages of a web site accessible to crawlers or users.
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a domain which is a part of a larger domain. For example, '' is subdomain of '' domain.
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An advertising program run by Google Inc. that allows publishers in the Google Network of content sites to automatically serve text, image, video, and rich media adverts targeted to the site's content…
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a language used to control the presentation (including colors, layout, and fonts) of HTML and XHTML documents.
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text file used by Website owners to give instructions about their site to web robots. Basically it tells robots which parts of the site are open and which parts are closed. This is calle…
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For questions related to analytics methods and tools.
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The same content on different webpages, including on pages on different websites. Search engines may penalise websites which have duplicate content on them.
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Method of exchanging digital messages from an author to one or more recipients.
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Covers the delivery and display of photographs, graphics and other visual elements.
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a collaboration from several search engines, defining logic data model and vocabulary for structured data based on entity relationships model. It has proposed in the model the set of ent…
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a URL rewriting module for the Apache web server. It is commonly used for so-called "pretty" URLs because of its ability to redirect on the server side (transparent to clients and their…
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A reference to another webpage that the user can follow (click on) to access that document.
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Preventing a system from unauthorized access, modification, disruption, or destruction.