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Web page

From Wikipedia, the free encyclopedia
(Redirected fromWeb pages)
Content provided by a website

Thehome page ofNASA from 2008

Aweb page, orwebpage, is aWeb document that is accessed in aweb browser.[1] Awebsite typically consists of many web pageslinked together under a commondomain name. The term "web page" is therefore ametaphor of paper pages bound together into a book.

Navigation

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Main article:Web navigation
Each article on theWikipedia website is a distinct web page. TheURL is visible in the browser'saddress bar at the top.

Each web page is identified by a distinctUniform Resource Locator (URL). When the user inputs a URL into theirweb browser, the browser retrieves the necessary content from aweb server and thentransforms it into an interactive visual representation on the user's screen.[2]

If the userclicks ortaps alink, the browser repeats this process to load the new URL, which could be part of the current website or a different one. The browser hasfeatures, such as theaddress bar, that indicate which page is displayed.

Elements

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A web page is astructured document. The core element is atext file written in theHyperText Markup Language (HTML). This specifies the content of the page,[3] includingimages andvideo.

Cascading Style Sheets (CSS) specify thepresentation of the page.[3] CSS rules can be in separate text files or embedded within the HTML file.

The vast majority[4] of pages haveJavaScriptprograms, enabling awide range of behavior.[3] The newerWebAssembly language can also be used as asupplement.[5]

The most sophisticated web pages, known asweb apps, combine these elements in acomplex manner.

Deployment

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From the perspective ofserver-side website deployment, there are two types of web pages:static anddynamic. Static pages are retrieved from the web server'sfile system without any modification,[6] while dynamic pages must be created by the serveron the fly, typically reading from adatabase to fill out atemplate, before being sent to the user's browser.[7] An example of a dynamic page is asearch engine results page.

Security

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TheHypertext Transfer Protocol (HTTP) is the way aweb browser retrieves webpage content from awebsite. HTTP has two optional security features:encrypted mode (HTTPS) greatly reduces the possibility ofeavesdropping by a third party,[8] whileContent Security Policy protects againstcross-site scripting attacks.[9] Both features are supported by mainstream web browsers, and many websites use them.

See also

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References

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  1. ^"Web page – definition of web page by The Free Dictionary".Archived from the original on 23 April 2021. Retrieved23 April 2021.
  2. ^"Behind the scenes of modern web browsers". Tali Garsiel.Archived from the original on 18 April 2018. Retrieved21 April 2018.
  3. ^abcFlanagan, David (18 April 2011).#"/wiki/ISBN_(identifier)" title="ISBN (identifier)">ISBN 978-1-4493-9385-4.OCLC 686709345.JavaScript is part of the triad of technologies that all Web developers must learn: HTML to specify the content of web pages, CSS to specify the presentation of web pages, and JavaScript to specify the behavior of web pages.
  4. ^"Usage Statistics of JavaScript as Client-side Programming Language on Websites".W3Techs. Retrieved27 February 2024.
  5. ^"The State of WebAssembly 2023". Scott Logic. 18 October 2023. Retrieved18 April 2024.
  6. ^Melendez, Steven (10 August 2018)."The Difference Between Dynamic & Static Web Pages".Chron. Archived fromthe original on 20 March 2019. Retrieved20 March 2019.Static by definition means something that does not change. The first pages on the World Wide Web were largely static and unchanged, delivering the same information about a particular topic to anyone who visited. In some cases, sites may evolve slightly over time but are still largely static, meaning that they only change when manually changed by their creators, not on a regular and automated basis.
  7. ^"Definition of: dynamic Web page".PC Magazine. Archived fromthe original on 17 January 2017. Retrieved20 March 2019.A Web page that provides custom content for the user based on the results of a search or some other request.
  8. ^"Why use HTTPS?".Cloudflare. Retrieved22 October 2025.
  9. ^"Content Security Policy (CSP) - HTTP".MDN Web Docs. 30 June 2025. Retrieved9 October 2025.
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