The most common mistakes in writing HTML tags_HTML/Xhtml_Web page production

We better start paying attention, because HTML Police will be going through your code and picking out all your semantically meaningless tags . This list contains the 10 most common HTML mistakes. Tag errors , writing them down can allow us to avoid making this common mistake and make our HTML tags comply with semantics and standard requirements.

Crime1: Putting block-level elements inside inline elements

HTML elements can be expressed in two ways: block level and inline. Each

tag has a default expression mode of either block level or inline. Like div and p, they are block-level elements. They are used to form the document structure. Inline elements can only be inside block-level elements.

Crime2: img tag does not contain alt attribute

The alt attribute is a must attribute for all The most common mistakes in writing HTML tags_HTML/Xhtml_Web page productions displayed on web pages. It can help people know what kind of The most common mistakes in writing HTML tags_HTML/Xhtml_Web page production it is. Or what the meaning of the The most common mistakes in writing HTML tags_HTML/Xhtml_Web page production is when the network speed is relatively slow. Its main purpose is to explain the nature of the The most common mistakes in writing HTML tags_HTML/Xhtml_Web page production. Meaning, it is very bad to explain alt="The most common mistakes in writing HTML tags_HTML/Xhtml_Web page production" like this. If some pictures are really just for decoration, then it is recommended that you write alt="".

Crime3: Not using list when necessary

Crime 4: Use and to display bold and italics

You can use css styles to define font-weight and font-style. If you must write the

tag in the page, replace it with the or tag.< ;i> has no semantics at all, but for a simpler page, choose css to define the style

Crime 5: Using too much

The newline mark should only be used to insert a special word that is a newline before the first line break in the text stream. It should not be used to create gaps between elements, but to split text into different paragraphs, or to adjust the amplitude of CSS styles.

Crime6: Using the wrong Strikethrough tag

In the old days, and were allowed to be used to define website text. However, they are now defined as deprecated

tags , while they can still have effect. Now with the new set of tags - and . to replace

Crime 7: Using inline styles

The most important purpose of css is to distinguish documents and styles. If you write style into the page, then css will have no effect at all. So, remember to put your style where it should be

Crime 8: Adding borders to HTML

Crime 9: Failure to use header tags

-

Crime10: Unsemantic or

Not recommended by w3, and (blink, scroll)

tags are just plain ugly.

Don’t use this

tag. If you must use this effect, I believe you will have other better effects