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.

Type to find tags:
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HTML tags that convey information about a webpage, such as it's title or it's description, in a way that a computer program can understand.
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a local copy of a file that exists elsewhere. Caching can take place in the browser, on a dedicated machine on a network, or at an ISP.
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A server which a website lives on.
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specifically about Multiple Domains
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A content delivery network or content distribution network (CDN) is a system of computers containing copies of data placed at various nodes of a network.
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HTTP Stands for "Hyper Text Transfer Protocol", and is the protocol that applications use to access documents/webpages/data from the world wide web.
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a popular technique for creating interactive websites, though other technologies (e.g. JSON) are often used instead of XML.
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a software application for retrieving, presenting, and traversing information resources on the World Wide Web.
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XML files created to make it easier for Search Engine crawlers and other bots to efficiently and fully crawl a website.
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Page-Speed normally refers to the time it takes for a web-page to be presented to a browser in a "fully loaded" state.
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a web application framework developed by Microsoft to allow programmers to build dynamic web sites and web applications.
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A legal concept intended to protect the intellectual property rights of authors and artists by making unauthorized copying a civil or criminal offense.
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Organization that manages domain registrations
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A description shown in search engine result pages about a website that is better quality than just a few lines of text.
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Virtual Private Server - a term used by internet hosting services to refer to a virtual machine.
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HTML tag displaying the title of a web page.
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commonly understood as the act of asserting a user's or entity's identity, although in the wider sense it can refer to asserting the truthfulness of any kind of claim. Authentication…
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a Free (libre), Open Source, Unix-like operating system.
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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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normally associated when more than 1 user is using a web host that uses the same resources to serve their web content to internet.
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To make the conditions the best or the most favorable.
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a free blog-publishing service owned by Google that allows private or multi-user blogs with time-stamped entries.
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the acronym for Internet Information Services, the webserver provided by Microsoft.
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a community-created vocabulary (sponsored by Google, Microsoft, Yahoo and Yandex) for describing entities on webpages, in emails etc. It can be used with different syntaxes (most commonl…
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should refer to creating, editing, and displaying video on electronic devices. As video capture and playback vary significantly across platforms, it would be helpful to in…
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a server that query and assign Human readable URL or IP Address.
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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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System that handles large amounts of data in an organised fashion.
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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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Position of a web site or a web page in Google results.
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Local Search Engine Optimization (local SEO) is a process of improving discoverability and visibility of web pages at a town, city or regional level, within location-based search functions (e.g. "resu…
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a popular open source PHP-based CMS. There is a Drupal Stack Exchange at http://drupal.stackexchange.com/, so if your question is related to Drupal but not Pro Webmasters, then it should be …
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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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Questions relating to Webmasters using various Marketing methods to promote their online website(s).
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a lightweight, high-performance Web server/reverse proxy and e-mail (IMAP/POP3) proxy, licensed under a BSD-like license.