AvailableFree browser-local analysis

Form Label Checker

SiteTend Form Labels

Find unnamed fields, broken label associations, duplicate IDs, grouping gaps, and inaccessible help or error references before publishing.

Your input stays private.Markup is analyzed in your browser.

Paste form markup

Add rendered HTML containing labels and controls.

Include related labels, help text, error elements, and grouping markup.

No validation message.

Pasted markup stays in this browser and is excluded from analytics.

Review form labeling

Start with unnamed controls and broken associations.

Your analysis will appear here

Paste markup and select Analyze labels.

Accessible forms

Make every field understandable

Give each control a persistent visible label, group related choices, explain requirements before submission, and programmatically associate instructions and errors.

Questions

Form Label Checker FAQ

What makes a form label accessible?

A visible label should usually use a for value that exactly matches its control's unique id, or wrap the control directly.

Can a placeholder replace a label?

No. Placeholder text disappears during entry and should be treated as an optional hint, not the field's persistent label.

When should fieldset and legend be used?

Use them to communicate the shared purpose of related controls, especially radio-button and checkbox groups.

Does this checker validate dynamic errors?

No. It checks static references only. Test validation messages, announcements, and focus behavior in the running form.

Apply the result

From finding to verified fix

Interpret the finding

Treat every missing or broken association as a barrier to understanding the field, then confirm the running form's instructions and errors.

Common causes to inspect

  • Placeholder text used instead of a persistent label
  • A label for value that does not match a unique control ID
  • Related choices presented without a programmatic group name

Practical next steps

  1. Give every control a visible, associated label
  2. Group related choices with fieldset and legend where appropriate
  3. Submit errors and test announcements and focus in the running form

What this check cannot prove

Static markup cannot verify dynamic validation, screen-reader announcements, focus movement, autocomplete behavior, or the complete submission flow.

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SiteTend may earn a commission if you purchase through these links, at no additional cost to you. These services are optional and separate from SiteTend's free checks.