{"id":70089,"date":"2020-01-03T17:39:00","date_gmt":"2020-01-03T12:09:00","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?p=70089"},"modified":"2024-04-12T14:33:12","modified_gmt":"2024-04-12T09:03:12","slug":"web-application-3","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/web-application-3\/","title":{"rendered":"Web Application"},"content":{"rendered":"<h1><strong>Learning Web Application<\/strong><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/3iology.com\/dist\/assets\/img\/webapplication.png\" alt=\"Image result for web application\" width=\"565\" height=\"346\"><\/p>\n<p>&nbsp;<\/p>\n<p>A web application or web app is a client-server computer program in which the client runs a web browser. Common web applications include webmail, online retail sales, online auctions, wikis and instant messaging services.<\/p>\n<p>Meanwhile, Web sites are also known as&nbsp; &#8220;web applications&#8221;. Certainly, these have similar functionality to a desktop software application or a mobile app. Moreover, HTML5 introduces explicit language support for making applications thatloads as web pages. Also, they can store data locally and continue to function while offline.<\/p>\n<h2><strong>What are Tiers in a web application?<\/strong><\/h2>\n<p>Usually, applications are broken into logical chunks called &#8220;tiers&#8221;, where every tier is assigned a role.<\/p>\n<ul>\n<li>&nbsp;Firstly, a web browser is the first-tier (presentation).<\/li>\n<li>Secondly, an engine using some dynamic Web content technology (such as ASP, CGI, ColdFusion, Dart, JSP\/Java, Node.js, PHP, Python or Ruby on Rails) is the middle tier (application logic).<\/li>\n<li>Lastly,&nbsp; a database is the third tier (storage).<\/li>\n<\/ul>\n<p>The web browser sends requests to the middle tier, which services them by making queries. Further, it updates the web browser against the database and generates a user interface.<\/p>\n<h2><strong>Web Client-Server<\/strong><\/h2>\n<p>Computers connected to the web are called clients and servers. A simplified diagram of how they interact might look like this:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-142709 aligncenter\" src=\"https:\/\/www.vskills.in\/lms\/wp-content\/uploads\/2019\/11\/Image-1.png\" alt=\"\" width=\"275\" height=\"110\"><\/p>\n<ul>\n<li>First of all, clients are the typical web user&#8217;s internet-connected devices and web-accessing software available on those devices.<\/li>\n<li>On the other hand, Servers are computers that store webpages, sites, or apps.<\/li>\n<\/ul>\n<p>When you type a web address into your browser<\/p>\n<ul>\n<li>Firstly, the browser goes to the DNS server and finds the real address of the server that the website lives on.<\/li>\n<li>Secondly, the browser sends an HTTP request message to the server, asking it to send a copy of the website to the client.<\/li>\n<li>Subsequently, provided the server approves the client&#8217;s request, the server sends the client a &#8220;200 OK&#8221; message. This means &#8220;Of course you can look at that website!<\/li>\n<li>Lastly, The browser assembles the small chunks into a complete website and displays it to you.<\/li>\n<\/ul>\n<p><strong>A great career is just a certification away. So, practice and validate your skills to become a <a href=\"https:\/\/www.vskills.in\/certification\/testing\/soapui-testing-certification\">Certified&nbsp;SoapUI Testing Professional.<\/a><\/strong><\/p>\n\n\n<p><strong><a href=\"https:\/\/www.vskills.in\/certification\/tutorial\/soapui-testing-tutorials\/\" target=\"_blank\" rel=\"noreferrer noopener\">Go back to Tutorial<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Learning Web Application &nbsp; A web application or web app is a client-server computer program in which the client runs a web browser. Common web applications include webmail, online retail sales, online auctions, wikis and instant messaging services. Meanwhile, Web sites are also known as&nbsp; &#8220;web applications&#8221;. Certainly, these have similar functionality to a desktop&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[8032],"tags":[7237],"class_list":["post-70089","page","type-page","status-publish","hentry","category-soapui","tag-web-application"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Learning Web Application in SoapUI - Vskills Tutorial<\/title>\n<meta name=\"description\" content=\"Enhance and Upgrade your web application skills for better career opportunities. 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