{"id":6389,"date":"2025-05-09T14:36:27","date_gmt":"2025-05-09T07:36:27","guid":{"rendered":"https:\/\/danielepais.com\/journal\/?p=6389"},"modified":"2025-09-19T23:53:28","modified_gmt":"2025-09-19T16:53:28","slug":"understanding-http-the-backbone-of-web-communication","status":"publish","type":"post","link":"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/","title":{"rendered":"Understanding HTTP: The Backbone of Web Communication"},"content":{"rendered":"<p>The HyperText Transfer Protocol (HTTP) is one of the fundamental technologies enabling the modern web. Conceived in the early 1990s, HTTP is a protocol used to transfer hypertext documents across the Internet.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/ywAAAAAAQABAAACAUwAOw==\" fifu-lazy=\"1\" fifu-data-sizes=\"auto\" fifu-data-srcset=\"https:\/\/wp.fifu.app\/danielepais.com\/aHR0cHM6Ly9kYW5pZWxlcGFpcy5jb20vam91cm5hbC93cC1jb250ZW50L3VwbG9hZHMvMjAyNS8wNS9XZWItUGlsbHMtMTMtVW5kZXJzdGFuZGluZy1IVFRQLWJsb2cuanBn\/7f65ad07798d\/web-pills-13-understanding-http.webp?p=6389&w=75&h=0&c=0 75w, https:\/\/wp.fifu.app\/danielepais.com\/aHR0cHM6Ly9kYW5pZWxlcGFpcy5jb20vam91cm5hbC93cC1jb250ZW50L3VwbG9hZHMvMjAyNS8wNS9XZWItUGlsbHMtMTMtVW5kZXJzdGFuZGluZy1IVFRQLWJsb2cuanBn\/68336a2faa1c\/web-pills-13-understanding-http.webp?p=6389&w=100&h=0&c=0 100w, https:\/\/wp.fifu.app\/danielepais.com\/aHR0cHM6Ly9kYW5pZWxlcGFpcy5jb20vam91cm5hbC93cC1jb250ZW50L3VwbG9hZHMvMjAyNS8wNS9XZWItUGlsbHMtMTMtVW5kZXJzdGFuZGluZy1IVFRQLWJsb2cuanBn\/ac68c294f92a\/web-pills-13-understanding-http.webp?p=6389&w=150&h=0&c=0 150w, https:\/\/wp.fifu.app\/danielepais.com\/aHR0cHM6Ly9kYW5pZWxlcGFpcy5jb20vam91cm5hbC93cC1jb250ZW50L3VwbG9hZHMvMjAyNS8wNS9XZWItUGlsbHMtMTMtVW5kZXJzdGFuZGluZy1IVFRQLWJsb2cuanBn\/b3a58251e64d\/web-pills-13-understanding-http.webp?p=6389&w=240&h=0&c=0 240w, https:\/\/wp.fifu.app\/danielepais.com\/aHR0cHM6Ly9kYW5pZWxlcGFpcy5jb20vam91cm5hbC93cC1jb250ZW50L3VwbG9hZHMvMjAyNS8wNS9XZWItUGlsbHMtMTMtVW5kZXJzdGFuZGluZy1IVFRQLWJsb2cuanBn\/ca3c1c884412\/web-pills-13-understanding-http.webp?p=6389&w=320&h=0&c=0 320w, https:\/\/wp.fifu.app\/danielepais.com\/aHR0cHM6Ly9kYW5pZWxlcGFpcy5jb20vam91cm5hbC93cC1jb250ZW50L3VwbG9hZHMvMjAyNS8wNS9XZWItUGlsbHMtMTMtVW5kZXJzdGFuZGluZy1IVFRQLWJsb2cuanBn\/fcbe786f462d\/web-pills-13-understanding-http.webp?p=6389&w=500&h=0&c=0 500w, https:\/\/wp.fifu.app\/danielepais.com\/aHR0cHM6Ly9kYW5pZWxlcGFpcy5jb20vam91cm5hbC93cC1jb250ZW50L3VwbG9hZHMvMjAyNS8wNS9XZWItUGlsbHMtMTMtVW5kZXJzdGFuZGluZy1IVFRQLWJsb2cuanBn\/8db017dbeea8\/web-pills-13-understanding-http.webp?p=6389&w=640&h=0&c=0 640w, https:\/\/wp.fifu.app\/danielepais.com\/aHR0cHM6Ly9kYW5pZWxlcGFpcy5jb20vam91cm5hbC93cC1jb250ZW50L3VwbG9hZHMvMjAyNS8wNS9XZWItUGlsbHMtMTMtVW5kZXJzdGFuZGluZy1IVFRQLWJsb2cuanBn\/4561a4328714\/web-pills-13-understanding-http.webp?p=6389&w=800&h=0&c=0 800w, https:\/\/wp.fifu.app\/danielepais.com\/aHR0cHM6Ly9kYW5pZWxlcGFpcy5jb20vam91cm5hbC93cC1jb250ZW50L3VwbG9hZHMvMjAyNS8wNS9XZWItUGlsbHMtMTMtVW5kZXJzdGFuZGluZy1IVFRQLWJsb2cuanBn\/7b12fa49edff\/web-pills-13-understanding-http.webp?p=6389&w=1024&h=0&c=0 1024w, https:\/\/wp.fifu.app\/danielepais.com\/aHR0cHM6Ly9kYW5pZWxlcGFpcy5jb20vam91cm5hbC93cC1jb250ZW50L3VwbG9hZHMvMjAyNS8wNS9XZWItUGlsbHMtMTMtVW5kZXJzdGFuZGluZy1IVFRQLWJsb2cuanBn\/878cd240223b\/web-pills-13-understanding-http.webp?p=6389&w=1280&h=0&c=0 1280w, https:\/\/wp.fifu.app\/danielepais.com\/aHR0cHM6Ly9kYW5pZWxlcGFpcy5jb20vam91cm5hbC93cC1jb250ZW50L3VwbG9hZHMvMjAyNS8wNS9XZWItUGlsbHMtMTMtVW5kZXJzdGFuZGluZy1IVFRQLWJsb2cuanBn\/6e86cab3713c\/web-pills-13-understanding-http.webp?p=6389&w=1600&h=0&c=0 1600w\" class=\"aligncenter size-full wp-image-7936\" title=\"Web Pills #13 Understanding HTTP\" fifu-data-src=\"https:\/\/wp.fifu.app\/danielepais.com\/aHR0cHM6Ly9kYW5pZWxlcGFpcy5jb20vam91cm5hbC93cC1jb250ZW50L3VwbG9hZHMvMjAyNS8wNS9XZWItUGlsbHMtMTMtVW5kZXJzdGFuZGluZy1IVFRQLWJsb2cuanBn\/89e3d3969cc3\/web-pills-13-understanding-http.webp?p=6389\" alt=\"Web Pills #13 Understanding HTTP\" width=\"1080\" height=\"1080\" \/><\/p>\n<p>It is the protocol that web browsers and web servers use to communicate with each other. This article aims to provide a comprehensive understanding of HTTP, its importance, and how it functions.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6ac7fd0e40ece\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #18bc9c;color:#18bc9c\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #18bc9c;color:#18bc9c\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6ac7fd0e40ece\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#What_is_HTTP\" >What is HTTP?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#How_HTTP_Works\" >How HTTP Works<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#1_Client-Server_Model\" >1. Client-Server Model<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#2_HTTP_Request\" >2. HTTP Request<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#3_HTTP_Response\" >3. HTTP Response<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#HTTP_Methods\" >HTTP Methods<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#HTTP_Status_Codes\" >HTTP Status Codes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#Security_in_HTTP\" >Security in HTTP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#HTTP2_and_Beyond\" >HTTP\/2 and Beyond<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#FAQs\" >FAQs<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#What_is_the_main_purpose_of_HTTP\" >What is the main purpose of HTTP?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#What_are_HTTP_methods\" >What are HTTP methods?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#What_are_HTTP_status_codes\" >What are HTTP status codes?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#How_does_HTTPS_differ_from_HTTP\" >How does HTTPS differ from HTTP?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#What_improvements_does_HTTP2_bring\" >What improvements does HTTP\/2 bring?<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/danielepais.com\/journal\/understanding-http-the-backbone-of-web-communication\/#Glossary\" >Glossary<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_HTTP\"><\/span>What is HTTP?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>HTTP stands for <a title=\"HyperText Transfer Protocol\" href=\"https:\/\/en.wikipedia.org\/wiki\/HTTP\" target=\"_blank\" rel=\"noopener\">HyperText Transfer Protocol<\/a>. It is an application <a href=\"https:\/\/danielepais.com\/journal\/add-a-new-layer-photoshop-daily-tips-shortcut-master\/\">layer<\/a> protocol in the Internet protocol suite model. HTTP defines how messages are formatted and transmitted, and how web servers and browsers should respond to various commands. Essentially, it is the protocol that makes the World Wide Web work.<\/p>\n<p>HTTP operates as a request-response protocol. A client, typically a web browser, sends an HTTP request to a server. The server then processes the request and returns an HTTP response, which usually contains the requested resource such as an HTML document, an <a href=\"https:\/\/danielepais.com\/journal\/how-to-drop-a-shadow-to-an-image-in-photoshop-cs6\/\">image<\/a>, or some other data.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_HTTP_Works\"><\/span>How HTTP Works<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Understanding the mechanics of HTTP is crucial for grasping its role in web communication. Here\u2019s a step-by-step breakdown of how HTTP functions:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"1_Client-Server_Model\"><\/span>1. Client-Server Model<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>HTTP follows a client-server model. The client initiates the communication by sending a request to the server, and the server responds with the requested information. The client is often a web browser, but it can be any device or software that can send HTTP requests.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_HTTP_Request\"><\/span>2. HTTP Request<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>An HTTP request is composed of several parts:<\/p>\n<ul>\n<li><strong>Request Line:<\/strong> This includes the method (e.g., GET, POST), the URL, and the HTTP version.<\/li>\n<li><strong>Headers:<\/strong> These provide additional information about the request, such as the type of data that the client can accept.<\/li>\n<li><strong>Body:<\/strong> This part is optional and is used primarily with methods like POST to send data to the server.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"3_HTTP_Response\"><\/span>3. HTTP Response<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Once the server processes the request, it sends back an HTTP response, which also comprises several parts:<\/p>\n<ul>\n<li><strong>Status Line:<\/strong> This includes the HTTP version, a status code (e.g., 200 OK, 404 Not Found), and a reason phrase.<\/li>\n<li><strong>Headers:<\/strong> These provide additional information about the response, such as the type of data being returned.<\/li>\n<li><strong>Body:<\/strong> This part contains the actual resource or data requested, such as an HTML document or an image.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"HTTP_Methods\"><\/span>HTTP Methods<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>HTTP defines several methods that indicate the desired action to be performed on the identified resource. Some of the most commonly used HTTP methods include:<\/p>\n<ul>\n<li><strong>GET:<\/strong> Requests a representation of the specified resource. Requests using GET should only retrieve data.<\/li>\n<li><strong>POST:<\/strong> Submits data to be processed to a specified resource. Often used when submitting form data.<\/li>\n<li><strong>PUT:<\/strong> Replaces all current representations of the target resource with the request payload.<\/li>\n<li><strong>DELETE:<\/strong> Removes the specified resource.<\/li>\n<li><strong>HEAD:<\/strong> Similar to GET, but it transfers the status line and header section only.<\/li>\n<li><strong>OPTIONS:<\/strong> Describes the communication options for the target resource.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"HTTP_Status_Codes\"><\/span>HTTP Status Codes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>HTTP status codes are issued by a server in response to a client&#8217;s request made to the server. They are divided into five categories:<\/p>\n<ul>\n<li><strong>1xx (Informational):<\/strong> The request was received, continuing process.<\/li>\n<li><strong>2xx (Successful):<\/strong> The request was successfully received, understood, and accepted.<\/li>\n<li><strong>3xx (Redirection):<\/strong> Further action needs to be taken in order to complete the request.<\/li>\n<li><strong>4xx (Client Error):<\/strong> The request contains bad syntax or cannot be fulfilled.<\/li>\n<li><strong>5xx (Server Error):<\/strong> The server failed to fulfill an apparently valid request.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Security_in_HTTP\"><\/span>Security in HTTP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>One significant limitation of HTTP is its lack of security. HTTP itself does not encrypt data, making it susceptible to eavesdropping and man-in-the-middle attacks. This is where <a title=\"HTTPS (HyperText Transfer Protocol Secure)\" href=\"https:\/\/danielepais.com\/journal\/understanding-https-the-secure-version-of-http\/\" target=\"_blank\" rel=\"noopener\">HTTPS (HyperText Transfer Protocol Secure)<\/a> comes into play. HTTPS is an extension of HTTP, where communications are encrypted using Transport Layer Security (TLS), ensuring that data transferred between the client and server remains confidential and integral.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"HTTP2_and_Beyond\"><\/span>HTTP\/2 and Beyond<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>HTTP\/2, the second major version of HTTP, was developed to address some of the performance limitations of HTTP\/1.x. HTTP\/2 introduces features like multiplexing, header compression, and server push to improve the overall efficiency of web communications. As web technologies continue to evolve, newer versions and enhancements to HTTP are being developed to meet the growing demands for speed, security, and reliability.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span>FAQs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"What_is_the_main_purpose_of_HTTP\"><\/span>What is the main purpose of HTTP?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The main purpose of HTTP is to enable the transfer of hypertext documents across the Internet, facilitating communication between web browsers and web servers.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_are_HTTP_methods\"><\/span>What are HTTP methods?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>HTTP methods are actions that indicate what kind of operation should be performed on the identified resource. Common methods include GET, POST, PUT, DELETE, HEAD, and OPTIONS.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_are_HTTP_status_codes\"><\/span>What are HTTP status codes?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>HTTP status codes are issued by a server in response to a client&#8217;s request. They indicate whether a specific HTTP request has been successfully completed. Status codes are divided into five categories: informational, successful, redirection, client error, and server error.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"How_does_HTTPS_differ_from_HTTP\"><\/span>How does HTTPS differ from HTTP?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>HTTPS is an extension of HTTP that includes encryption using Transport Layer Security (TLS). This ensures that data transferred between the client and server is secure, protecting it from eavesdropping and tampering.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"What_improvements_does_HTTP2_bring\"><\/span>What improvements does HTTP\/2 bring?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>HTTP\/2 introduces several performance enhancements over HTTP\/1.x, including multiplexing, header compression, and server push, which collectively improve the efficiency and speed of web communications.<\/p>\n<hr \/>\n<h4 data-start=\"40\" data-end=\"114\"><span class=\"ez-toc-section\" id=\"Glossary\"><\/span>Glossary<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p class=\"\" data-start=\"40\" data-end=\"114\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Based on this article, here is a curated list of key single-word terms relevant to web design, web technologies, UI, and web development, along with concise explanations of their significance:<\/span><\/p>\n<ol data-start=\"116\" data-end=\"2989\">\n<li class=\"\" data-start=\"116\" data-end=\"278\">\n<p class=\"\" data-start=\"119\" data-end=\"278\"><strong data-start=\"119\" data-end=\"127\">HTTP<\/strong><br data-start=\"127\" data-end=\"130\" \/><br \/>\nThe foundational protocol for data communication on the World Wide Web, enabling the transfer of hypertext documents between clients and servers.<\/p>\n<\/li>\n<li class=\"\" data-start=\"280\" data-end=\"422\">\n<p class=\"\" data-start=\"283\" data-end=\"422\"><strong data-start=\"283\" data-end=\"295\">Protocol<\/strong><br data-start=\"295\" data-end=\"298\" \/><br \/>\nA set of rules governing data exchange between devices, ensuring reliable and standardized communication across networks.<\/p>\n<\/li>\n<li class=\"\" data-start=\"424\" data-end=\"575\">\n<p class=\"\" data-start=\"427\" data-end=\"575\"><strong data-start=\"427\" data-end=\"437\">Client<\/strong><br data-start=\"437\" data-end=\"440\" \/><br \/>\nAn application or system that requests services or resources from a server, commonly exemplified by web browsers accessing websites.<\/p>\n<\/li>\n<li class=\"\" data-start=\"577\" data-end=\"707\">\n<p class=\"\" data-start=\"580\" data-end=\"707\"><strong data-start=\"580\" data-end=\"590\">Server<\/strong><br data-start=\"590\" data-end=\"593\" \/><br \/>\nA system that provides resources, data, or services to clients over a <a href=\"https:\/\/danielepais.com\/journal\/network-over-the-mains\/\">network<\/a>, responding to incoming requests.<\/p>\n<\/li>\n<li class=\"\" data-start=\"709\" data-end=\"845\">\n<p class=\"\" data-start=\"712\" data-end=\"845\"><strong data-start=\"712\" data-end=\"723\">Request<\/strong><br data-start=\"723\" data-end=\"726\" \/><br \/>\nAn action initiated by a client to obtain specific resources or services from a server, such as fetching a web page.<\/p>\n<\/li>\n<li class=\"\" data-start=\"847\" data-end=\"996\">\n<p class=\"\" data-start=\"850\" data-end=\"996\"><strong data-start=\"850\" data-end=\"862\">Response<\/strong><br data-start=\"862\" data-end=\"865\" \/><br \/>\nThe data sent by a server back to the client following a request, typically including the requested content or an error message.<\/p>\n<\/li>\n<li class=\"\" data-start=\"998\" data-end=\"1131\">\n<p class=\"\" data-start=\"1001\" data-end=\"1131\"><strong data-start=\"1001\" data-end=\"1008\">URL<\/strong><br data-start=\"1008\" data-end=\"1011\" \/><br \/>\nUniform Resource Locator; the address used to access resources on the web, specifying the protocol, domain, and path.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1133\" data-end=\"1270\">\n<p class=\"\" data-start=\"1136\" data-end=\"1270\"><strong data-start=\"1136\" data-end=\"1143\">DNS<\/strong><br data-start=\"1143\" data-end=\"1146\" \/><br \/>\nDomain Name System; translates human-readable domain names into IP addresses, facilitating the location of web resources.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1272\" data-end=\"1386\">\n<p class=\"\" data-start=\"1275\" data-end=\"1386\"><strong data-start=\"1275\" data-end=\"1283\">HTML<\/strong><br data-start=\"1283\" data-end=\"1286\" \/><br \/>\nHyperText Markup Language; the standard language for creating and structuring content on the web.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1388\" data-end=\"1537\">\n<p class=\"\" data-start=\"1392\" data-end=\"1537\"><strong data-start=\"1392\" data-end=\"1401\">HTTPS<\/strong><br data-start=\"1401\" data-end=\"1404\" \/><br \/>\nHyperText Transfer Protocol Secure; an extension of HTTP that incorporates encryption for secure communication over the internet.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1539\" data-end=\"1669\">\n<p class=\"\" data-start=\"1543\" data-end=\"1669\"><strong data-start=\"1543\" data-end=\"1550\">SSL<\/strong><br data-start=\"1550\" data-end=\"1553\" \/><br \/>\nSecure Sockets Layer; a cryptographic protocol designed to provide secure communication over a computer network.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1671\" data-end=\"1800\">\n<p class=\"\" data-start=\"1675\" data-end=\"1800\"><strong data-start=\"1675\" data-end=\"1682\">TLS<\/strong><br data-start=\"1682\" data-end=\"1685\" \/><br \/>\nTransport Layer Security; the successor to SSL, offering improved security for data transmission over networks.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1802\" data-end=\"1948\">\n<p class=\"\" data-start=\"1806\" data-end=\"1948\"><strong data-start=\"1806\" data-end=\"1820\">Encryption<\/strong><br data-start=\"1820\" data-end=\"1823\" \/><br \/>\nThe process of converting data into a coded format to prevent unauthorized access, ensuring confidentiality and security.<\/p>\n<\/li>\n<li class=\"\" data-start=\"1950\" data-end=\"2106\">\n<p class=\"\" data-start=\"1954\" data-end=\"2106\"><strong data-start=\"1954\" data-end=\"1964\">Cookie<\/strong><br data-start=\"1964\" data-end=\"1967\" \/><br \/>\nA small piece of data stored on the client\u2019s device by a <a href=\"https:\/\/danielepais.com\/journal\/how-to-perform-appropriate-check-prior-to-launch-your-new-website\/\">website<\/a> to remember information about the user, enhancing browsing experience.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2108\" data-end=\"2263\">\n<p class=\"\" data-start=\"2112\" data-end=\"2263\"><strong data-start=\"2112\" data-end=\"2123\">Session<\/strong><br data-start=\"2123\" data-end=\"2126\" \/><br \/>\nA period during which a user interacts with a web application, often maintained using cookies to track user activity and preferences.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2265\" data-end=\"2409\">\n<p class=\"\" data-start=\"2269\" data-end=\"2409\"><strong data-start=\"2269\" data-end=\"2278\">Cache<\/strong><br data-start=\"2278\" data-end=\"2281\" \/><br \/>\nA storage mechanism that saves copies of web resources locally to reduce loading times and server load on subsequent visits.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2411\" data-end=\"2551\">\n<p class=\"\" data-start=\"2415\" data-end=\"2551\"><strong data-start=\"2415\" data-end=\"2425\">Header<\/strong><br data-start=\"2425\" data-end=\"2428\" \/><br \/>\nMetadata sent with HTTP requests and responses, conveying information such as content type, length, and server details.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2553\" data-end=\"2692\">\n<p class=\"\" data-start=\"2557\" data-end=\"2692\"><strong data-start=\"2557\" data-end=\"2567\">Status<\/strong><br data-start=\"2567\" data-end=\"2570\" \/><br \/>\nA code returned by a server indicating the result of a client&#8217;s request, such as 200 for success or 404 for not found.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2694\" data-end=\"2820\">\n<p class=\"\" data-start=\"2698\" data-end=\"2820\"><strong data-start=\"2698\" data-end=\"2708\">Method<\/strong><br data-start=\"2708\" data-end=\"2711\" \/><br \/>\nAn HTTP verb indicating the desired action to be performed on a resource, like GET, POST, PUT, or DELETE.<\/p>\n<\/li>\n<li class=\"\" data-start=\"2822\" data-end=\"2989\">\n<p class=\"\" data-start=\"2826\" data-end=\"2989\"><strong data-start=\"2826\" data-end=\"2833\">API<\/strong><br data-start=\"2833\" data-end=\"2836\" \/><br \/>\nApplication Programming Interface; a set of protocols and tools for building software applications, allowing communication between different systems.<\/p>\n<\/li>\n<\/ol>\n<p class=\"\" data-start=\"2991\" data-end=\"3065\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">These terms are integral to understanding the mechanisms of web communication and the development of user-centric web applications.<\/span><\/p>\n<hr \/>\n<p data-start=\"2991\" data-end=\"3065\">This episode of Web Pills is also available in a podcast format and can be listen for free on <a title=\"Web Pills - Issue #15 - Understanding HTTP\" href=\"https:\/\/open.spotify.com\/episode\/2xRK2WsW0VNrPriGi1Wh9Y?si=d9803d31e02d4f75\" target=\"_blank\" rel=\"noopener\">Spotify<\/a><\/p>\n<p><iframe loading=\"lazy\" style=\"border-radius: 12px;\" src=\"https:\/\/open.spotify.com\/embed\/episode\/2xRK2WsW0VNrPriGi1Wh9Y?utm_source=generator\" width=\"100%\" height=\"352\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-testid=\"embed-iframe\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The HyperText Transfer Protocol (HTTP) is one of the fundamental technologies enabling the modern web. Conceived in the early 1990s, HTTP is a protocol used..<\/p>\n","protected":false},"author":1,"featured_media":7936,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[461],"tags":[1385],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"The HyperText Transfer Protocol (HTTP) is one of the fundamental technologies enabling the modern web. 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