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Heading Tags (H1~H6)

HTML headings that organize content into a logical hierarchy and make its structure explicit. Learn how it works and what to consider in practice.

On-page SEO & Content Strategy

H태그

Headings from H1 to H6 function like a book’s table of contents: readers can scan the overall argument, and search engines can identify the topics covered by individual sections. Skipping from H2 to H4 merely to achieve a smaller font can confuse screen-reader users and obscure the hierarchy. Adjust visual size with CSS while keeping the H1-to-H2-to-H3 structure consistent with the document’s logic.

Business applications and impact#

Improves readability and helps search engines interpret the subject of each section.

Implementation guidance and considerations#

Use headings to express document structure, not as shortcuts for changing font size. Maintain a logical sequence.

Alt Attribute

alt 태그

An HTML alternative-text attribute that describes an image when it cannot be displayed or is read by a screen reader.

H1 Heading Tag

H1 태그

The highest-level HTML heading that identifies a web page's main subject.

SEO Writing

SEO 글쓰기

Writing that satisfies search intent while making the content's context easy for search engines to understand.

Your Money or Your Life

YMYL

Topics that can materially affect people's health, financial stability, safety or well-being and therefore require especially reliable information.

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