Semantic markup and accessibility

Semantic markup is the use of HTML tags that convey the meaning and structure of the content on a web page. It is important for accessibility because it helps users with disabilities understand the content and navigate the page more easily. Here are some ways that semantic markup can improve accessibility:

• Use Proper Headings

Using proper headings, such as <h1> through <h6>, can help users with screen readers or other assistive technologies understand the hierarchy and structure of the content on a page. Make sure to use headings in the correct order, with <h1> being used for the main heading of the page, followed by lower-level headings for subheadings and sections.

• Use Lists for Structured Content

Using lists, such as <ul> and <ol>, for structured content can help users understand the organization of the information and navigate the page more easily. Use list items <li> to mark up each item in the list.

• Use Appropriate Tags for Page Sections

Using appropriate tags, such as <header>, <nav>, <main>, and <footer>, for page sections can help users understand the purpose and structure of each section. For example, using <nav> for navigation links and <footer> for copyright information can help users understand the content more easily.

• Use Alt Text for Images

Using alt text for images can help users who are visually impaired understand the content of the image. Alt text should be descriptive and convey the purpose or meaning of the image. It should be included using the alt attribute within the <img> tag.

• Use Labels for Form Controls

Using labels for form controls, such as <input> elements, can help users understand the purpose and function of each control. Labels should be descriptive and associated with the corresponding control using the for attribute or by nesting the control within the label.