Table of Contents
How does data get from web browser to Web server and back?
The browser sends an HTTP request message to the server, asking it to send a copy of the website to the client (you go to the shop and order your goods). This message, and all other data sent between the client and the server, is sent across your internet connection using TCP/IP.
How do Web pages load?
A page load begins when a user selects a hyperlink, submits a form, or types a URL in a browser. This is also referred to as the initial request or the navigation start. The user’s action sends a request across the network to the web application server. The request reaches the application for processing.
How does the browser actually render a website?
When a web page is loaded, the browser first reads the HTML text and constructs DOM Tree from it. Then it processes the CSS whether that is inline, embedded, or external CSS and constructs the CSSOM Tree from it. After these trees are constructed, then it constructs the Render-Tree from it.
What can web pages contain?
A web page may contain text, graphics, and hyperlinks to other web pages and files. A web page is often used to provide information to viewers, including pictures or videos to help illustrate important topics. A web page may also be used as a method to sell products or services to viewers.
What happens in background when we open a website?
You enter a URL into a web browser. The browser looks up the IP address for the domain name via DNS. The browser sends a HTTP request to the server. The browser begins rendering the HTML.
How are web pages written and stored?
A web page is a simple text file which also contains markup tags that describe how the text should be formatted on screen. The web page is stored on a computer known as a web server (server, for short).
Why do pages load?
Why page load time is important Search engines like Google use page load time in algorithms that determine search engine rankings, meaning they’re more likely to guide shoppers to sites that load quickly (2).
Is it true that every website is hosted on a server?
Answer: Servers Websites are hosted on special computers known as servers. All they required to do is type the website address or domain into their browser whenever Internet users choose to view your website.
What does HTML stand for?
HTML (Hypertext Markup Language) is the code that is used to structure a web page and its content.
How does browser understand HTML?
When you save a file with the . html extension, you signal to the browser engine to interpret the file as an HTML document. The way the browser interprets this file is by first parsing it. In the parsing process, and particularly during tokenization, every start and end HTML tag in the file is accounted for.
How does JavaScript run in browser?
The source code is passed through a program called a compiler, which translates it into bytecode that the machine understands and can execute. In contrast, JavaScript has no compilation step. Instead, an interpreter in the browser reads over the JavaScript code, interprets each line, and runs it.
How HTML rendering is done?
Here’s a quick recap of the browser’s steps: Process HTML markup and build the DOM tree. Process CSS markup and build the CSSOM tree. Combine the DOM and CSSOM into a render tree. Run layout on the render tree to compute geometry of each node. Paint the individual nodes to the screen.
What are the 3 types of web pages?
Web designing is of three kinds, to be specific static, dynamic or CMS and eCommerce.
What is the difference between a web page and a website?
The primary difference between a webpage and a website is that a webpage is a single document on the Internet under a unique URL. In contrast, a website is a collection of multiple webpages in which information on a related topic or other subject is linked together under a domain address.
What controls the structure and appearance of a web page?
Answer Expert Verified The head element contains information, also called as metadata which describes the document and its resources like scripts and style sheets. The style provides an area for defining page-specific embedded CSS styles.
What happens in the backend when you visit a website?
The back-end code generates the HTML page and hands it over to the web server. The web server, then, finally sends the HTML page to the browser, via the HTTP channel. There’s is a lot of stuff going on in the milliseconds it takes for the web server to send back the HTML.
What piece of software do you need to view Web pages?
Browser The software application used to display Web pages. Some of the most popular browsers are Microsoft Internet Explorer (IE), Firefox, Netscape Navigator, and Safari (for Mac).
Is the first page that a website displays?
A home page (or homepage) is the main web page of a website. The term also refers to one or more pages always shown in a web browser when the application starts up. In this case, it is also known as the start page.
How do websites store their data?
Most major modern web sites are dynamic — they store data on the server using some kind of database (server-side storage), then run server-side code to retrieve needed data, insert it into static page templates, and serve the resulting HTML to the client to be displayed by the user’s browser.
Where are all the Web pages stored?
The web page is stored on a computer known as a web server (server, for short). In order for the web page to be displayed on that computer or another computer, it must be accessed and interpreted by a specially designed program called the client software (client, for short).
Where are Web pages stored on my computer?
Your browser cache is a location on your computer where the cached web content (or cache) is stored. Your web browser stores complete or partial copies of the pages you recently viewed together with the media (images, audio, and video) in a file on your computer called the cache.
