Getting Started with HTML and CSS-the first chapter understands how the Web works

Knowledge Points:

1. A brief history of the World Wide Web

2. The meaning of "Web page" and the reason that the term does not reflect all the content involved

3. How to access someone's browser from your PC

4. How to choose a Web hosting provider

5. Impact of different Web browsers and device types on Web content

1.1 HTML and a brief history of the World Wide Web :

Internet, 1990, Hypertext Markup Language (HTML): Describes the way text, graphics, and files that contain other information are organized and linked together.

1993, 100 sets of->html, the World Wide Web.

1.2 Create Web content :

Web content: Describes the full name of text, images, audio, video, and other media files that are passed from a Web server to a Web browser.

XHTML:X represents extensible (extensible).

1.3 Understanding Web content Delivery :

The process is as follows:

1. Depending on the address of the address bar, a Web browser will issue a request;

2. After the server receives the request, it finds the specific file in its directory and sends the file back to your browser.

The 3.Web browser receives the content and parses the display. (There may still be requests in this process, such as the link address of the slice and so on, so repeat the operation of the two-way)

4. Finally, a complete Web content is displayed.

1.4 Select a web hosting provider :

Required: domain name; web hosting service.

Web hosting provider selection criteria:

1. Reliability/Server "uptime"

2. Customer Service

3. Server space

4. Bandwidth (refers to the maximum data rate that the network can pass, i.e. how many bits per second)

5. Domain name purchase and management

6. Price

1.5 Testing with multiple Web browsers :

Safari,chrome,firefox,ie,opera

PS: Compare the site to a book, the corresponding HTML file is a page.

PS: Visual Web Design tools can cause a tendency to be difficult to understand source code, as well as complex and incompatible standard codes.

Getting Started with HTML and CSS-the first chapter understands how the Web works