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Web pages usually contain [[hyperlink]]s to other pages and resources. Each link contains a URL, and when it is [[point and click|clicked]] or [[touchscreen|tapped]], the browser navigates to the new resource. Most browsers use an internal [[web cache|cache]] of web page resources to improve loading times for subsequent visits to the same page. The cache can store many items, such as large images, so they do not need to be downloaded from the server again. Cached items are usually only stored for as long as the web server stipulates in its HTTP response messages.<ref>{{Cite book |last1=Nguyen |first1=Hoai Viet |last2=Lo Iacono |first2=Luigi |last3=Federrath |first3=Hannes |chapter=Systematic Analysis of Web Browser Caches |date=2018-10-03 |title=Proceedings of the 2nd International Conference on Web Studies |chapter-url=https://doi.org/10.1145/3240431.3240443 |series=WS.2 2018 |___location=New York, NY, USA |publisher=Association for Computing Machinery |pages=64–71 |doi=10.1145/3240431.3240443 |isbn=978-1-4503-6438-6}}</ref><ref>{{Cite journal |last1=Mishra |first1=Vikas |last2=Laperdrix |first2=Pierre |last3=Rudametkin |first3=Walter |last4=Rouvoy |first4=Romain |date=2021-04-01 |title=Déjà vu: Abusing Browser Cache Headers to Identify and Track Online Users |url=https://petsymposium.org/popets/2021/popets-2021-0033.php |journal=Proceedings on Privacy Enhancing Technologies |language=en |volume=2021 |issue=2 |pages=391–406 |doi=10.2478/popets-2021-0033 |issn=2299-0984|hdl=20.500.12210/57495 |hdl-access=free }}</ref>
A web browser is not the same thing as a [[search engine]], though the two are often confused.<ref>{{cite AV media |url=https://www.youtube.com/watch?v=o4MwTvtyrUQ |archive-url=https://ghostarchive.org/varchive/youtube/20211211/o4MwTvtyrUQ| archive-date=11 December 2021 |url-status=live|title=What is a Browser? |date=30 April 2009 |publisher=Google (on YouTube) |quote=Less than 8% of people who were interviewed on this day knew what a browser was.}}</ref><ref>{{cite web|url=https://blog.mozilla.org/en/internet-culture/mozilla-explains/internet-search-engine-browser/ |title=What is the difference between the internet, browsers, search engines and websites? |date=17 June 2021|publisher=Mozilla |quote=Let’s start by breaking down the differences between the internet, browsers, search engine, and websites. Lots of us get these four things confused with each other.}}</ref> A search engine is a website that provides [[hyperlink|links]] to other websites and allows users to search for specific resources using a textual [[Web query|query]]. However, web browsers are often used to access search engines, and most modern browsers allow users to access a default search engine directly by typing a query into the [[address bar]].<ref>{{Cite web |last=Manasa |first=D. |date=19 July 2011 |title=Difference Between Search Engine and Browser |url=https://www.differencebetween.net/technology/internet/difference-between-search-engine-and-browser/ |website=differencebetween.net}}</ref>
===Privacy===
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