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Dead Link Anchors (empty, missing, or `href="#"`)

Anchors with empty, missing, or `href="#"` attributes appear as links but do not function, harming usability and accessibility.

By Seoxpert Editorial · Published

Why it matters

Dead link anchors confuse users and assistive technologies by appearing interactive but providing no navigation or action. This degrades user experience, accessibility, and can negatively affect SEO by signaling poor site quality.

Impact

Unresolved dead link anchors frustrate users, reduce accessibility, and may harm your site's SEO reputation.

How it's detected

Automated crawlers detect anchor (`<a>`) elements with empty, missing, or `href="#"` attributes.

Common causes

  • Using `<a href="#">` for JavaScript actions instead of a button
  • Leaving the `href` attribute empty or missing in templates
  • Rendering anchors with unpopulated or undefined URL variables
  • Using placeholder links during development and forgetting to update them
  • Misunderstanding semantic HTML roles for links vs. buttons

How to fix it

Replace anchors used for actions with `<button type="button">` for proper semantics and accessibility. If the anchor should navigate, provide a valid URL in the `href` attribute. Remove placeholder or empty anchors that serve no purpose. Ensure templates do not render anchors with empty or missing `href` values.

Code examples

Problem: Anchor with href="#" for action

<a href="#" onclick="doSomething()">Click me</a>

Fix: Use a button for actions

<button type="button" onclick="doSomething()">Click me</button>

Problem: Anchor with empty href

<a href="">Home</a>

Fix: Provide a real URL for navigation

<a href="/home">Home</a>

FAQ

Why shouldn't I use `<a href="#">` for clickable actions?

Because it is not semantically correct, harms accessibility, and fails when JavaScript is unavailable. Use `<button>` for actions instead.

Do empty or missing href attributes affect SEO?

Yes, they can signal poor site quality and harm accessibility, which indirectly impacts SEO.

What should I do if a link is only a placeholder?

Remove the anchor or replace it with non-interactive text until a real destination is available.

Can I use JavaScript to fix dead link anchors?

Relying solely on JavaScript is risky; use semantic HTML elements to ensure functionality even if JS fails.

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