コーヒーは、コーヒー豆（コーヒーノキの種子）を焙煎して挽いた粉末から、湯または水で成分を抽出した飲料。歴史への登場は酒や茶には遅れるが、世界各地[3][4] で愛飲されている嗜好飲料である。家庭や飲食店、職場などで飲用され、コーヒーの専門ショップも多数存在する。抽出前の粉末や粉砕前の焙煎豆も、同じくコーヒーと呼ばれることもある。日本語での漢字表記は「珈琲」。 世界各国において、コーヒーを提供する場の喫茶店（コーヒー・ハウス、カフェ、カフェー）は近代、知識人や文学、美術など様々な分野の芸術家の集まる場として、文化的にも大きな役割を果たしてきた。さらに、貿易規模が大きい一次産品である[要出典]ため、経済上も重要視されている。主に北回帰線と南回帰線の間（コーヒーベルト）の約70ヶ国で生産され、全世界に輸出されている。カフェインに代表される薬理活性成分を含むことから医学・薬学の面から研究の対象となっている。 Websites are typically dedicated to a particular topic or purpose, such as news, education, commerce, entertainment, or social networking. Hyperlinking between web pages guides the navigation of the site, which often starts with a home page.Users can access websites on a range of devices, including desktops, laptops, tablets, and smartphones. The software application used on these devices is called a web browser.HistoryThe World Wide Web was created in 1990 by the British CERN physicist Tim Berners-Lee. On 30 April 1993, CERN announced that the World Wide Web would be free to use for anyone. Before the introduction of the Hypertext Transfer Protocol, other protocols such as File Transfer Protocol and the gopher protocol were used to retrieve individual files from a server. These protocols offer a simple directory structure which the user navigates and where they choose files to download. Documents were most often presented as plain text files without formatting, or were encoded in word processor formats.OverviewWebsites can be used in various fashions: a personal website, a corporate website for a company, a government website, an organization website, etc. Websites can be the work of an individual, a business or other organization, and are typically dedicated to a particular topic or purpose. Any website can contain a hyperlink to any other website, so the distinction between individual sites, as perceived by the user, can be blurred.Some websites require user registration or subscription to access content. Examples of subscription websites include many business sites, news websites, academic journal websites, gaming websites, file-sharing websites, message boards, web-based email, social networking websites, websites providing real-time stock market data, as well as sites providing various other services.While "web site" was the original spelling, this variant has become rarely used, and "website" has become the standard spelling. All major style guides, such as The Chicago Manual of Style and the AP Stylebook, have reflected this change.Static websiteA static website is one that has web pages stored on the server in the format that is sent to a client web browser. It is primarily coded in Hypertext Markup Language ; Cascading Style Sheets are used to control appearance beyond basic HTML. Images are commonly used to effect the desired appearance and as part of the main content. Audio or video might also be considered "static" content if it plays automatically or is generally non-interactive. This type of website usually displays the same information to all visitors. Similar to handing out a printed brochure to customers or clients, a static website will generally provide consistent, standard information for an extended period of time. Although the website owner may make updates periodically, it is a manual process to edit the text, photos and other content and may require basic website design skills and software. Simple forms or marketing examples of websites, such as classic website, a five-page website or a brochure website are often static websites, because they present pre-defined, static information to the user.