Home > Developer > Web Develop
1. A Web page consists of the following three sections:
Text content, references to other files, tags
2. Basic HTML page
• Top and head of Web pages:
Top: <! DOCTYPE html>
Head:
<mate charset= "Utf-8" >
<title></title>
• The main body of the Web page:
<body></body>
3. The composition of the label: element, attribute, value
Where: is the element, SRC is the attribute, = the back "blueflax.jpg" is the SRC value.
Different attribute-value pairs are separated by a space.
4. Parent and child elements
The following code:
<article>
The ephemeral Blue Flax
src= "blueflax.jmg"/>
<p> ... continually <em> amazed </em> ... delicate <a...> Blue Flax</a> ... </p>
</article>
The structure is as follows:
<article>-------------------Parent Element
<em> <a>--------<p> Sub-elements
Among them:
5. Name the files and folders in lowercase letters, do not use spaces to separate words in file names and folder names, and you should use dashes.
6. Absolute path and relative path:
An absolute path contains a pointer to a directory or complete information, including the schema, host name, and path. A relative path refers to the path of the file relative to the provided information.
7.rel= "external": Tell the search engine that this link comes from an external reference.
Rel= "nofollow": Tell the search engine not to count this link in the weight.
Rel= "External nofollow": Tell the search engine that this link is an external link and does not count as weight.
The title property effect of the A element is that when the user mouse hovers over the link, the contents of the Title property are displayed. Added the semantics of the A element.
8. Why is semantics important:
Improve accessibility and interoperability.
Improve the Search engine optimization (SEO) effect.
makes it easier to maintain code and add styles.
Make the page load faster by making the code less.
Chapter One: Building blocks of web pages
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
